Agilent Technologies EXG Guida Utente Pagina 1

User’s GuideAgilent TechnologiesE8257D/67D PSG Signal GeneratorsThis guide applies to the following signal generator models:E8257D PSG Analog Signal G

Contents xTo Edit the Multitone Setup Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .188To Minim

86 Chapter 3Basic Digital OperationUsing the Dual ARB Waveform PlayerPlaying a WaveformThis procedure applies to playing either a waveform segment or

Chapter 3 87Basic Digital OperationUsing the Dual ARB Waveform PlayerBandwidth softkey sets the bandwidth over which the noise is integrated and the N

88 Chapter 3Basic Digital OperationUsing Waveform MarkersLoading Waveform Segments from Non-volatile Memory1. Clear out the volatile memory and delete

Chapter 3 89Basic Digital OperationUsing Waveform Markers• “Using the RF Blanking Marker Function” on page 100• “Setting Marker Polarity” on page 102W

90 Chapter 3Basic Digital OperationUsing Waveform MarkersSaving Marker Polarity and Routing SettingsMarker polarity and routing settings remain until

Chapter 3 91Basic Digital OperationUsing Waveform MarkersClose-up of averagingThe ALC samples the waveform when the marker signal goes high, and uses

92 Chapter 3Basic Digital OperationUsing Waveform MarkersAccessing Marker UtilitiesUse the following procedure to display the marker parameters. This

Chapter 3 93Basic Digital OperationUsing Waveform MarkersNOTE Most of the procedures in this section begin at the Marker Utilities softkey menu.Viewin

94 Chapter 3Basic Digital OperationUsing Waveform Markers1. Clearing Marker Points from a Waveform SegmentWhen you set marker points they do not repla

Chapter 3 95Basic Digital OperationUsing Waveform Markers4. For the selected marker number, remove all marker points in the selected segment:Press Set

ContentsxiCannot Turn Off Sweep Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .248Incorrec

96 Chapter 3Basic Digital OperationUsing Waveform Markers3. Highlight the desired marker number:Press Marker 1 2 3 44. Set the first sample point in t

Chapter 3 97Basic Digital OperationUsing Waveform Markers1. Remove any existing marker points (page 94).2. In the Marker Utilities menu (page 92), pre

98 Chapter 3Basic Digital OperationUsing Waveform Markers2. Toggle the markers as desired: a. Highlight the first waveform segment.b. Press Enable/Dis

Chapter 3 99Basic Digital OperationUsing Waveform MarkersViewing a Marker PulseWhen a waveform plays (page 86), you can detect a set and enabled marke

100 Chapter 3Basic Digital OperationUsing Waveform MarkersUsing the RF Blanking Marker FunctionWhile you can set a marker function (described as Marke

Chapter 3 101Basic Digital OperationUsing Waveform MarkersMarker Polarity = PositiveWhen marker polarity is positive (the default setting), the RF out

102 Chapter 3Basic Digital OperationTriggering WaveformsSetting Marker PolaritySetting a negative marker polarity inverts the marker signal.1. In the

Chapter 3 103Basic Digital OperationTriggering Waveforms• Polarity determines the state of the trigger to which the waveform responds (used only with

104 Chapter 3Basic Digital OperationTriggering Waveforms• Segment Advance (Dual ARB only) causes a segment in a sequence to require a trigger to play.

Chapter 3 105Basic Digital OperationTriggering WaveformsSetting the Polarity of an External TriggerGated Mode The selections available with the gate a

Contents xii

106 Chapter 3Basic Digital OperationTriggering Waveforms3. Configure the carrier signal output:• Set the desired frequency.• Set the desired amplitude

Chapter 3 107Basic Digital OperationTriggering WaveformsNOTE In the real- time Custom mode, the behavior is reversed: when the gating signal is high,

108 Chapter 3Basic Digital OperationUsing Waveform Clipping5. Generate the waveform sequence:Press Return > Return > ARB Off On to On.6. Trigger

Chapter 3 109Basic Digital OperationUsing Waveform ClippingFigure 3-10 Multiple Channel SummingThe I and Q waveforms combine in the I/Q modulator to c

110 Chapter 3Basic Digital OperationUsing Waveform ClippingFigure 3-11 Combining the I and Q WaveformsHow Peaks Cause Spectral RegrowthBecause of the

Chapter 3 111Basic Digital OperationUsing Waveform ClippingFigure 3-12 Peak-to-Average PowerSpectral regrowth is a range of frequencies that develops

112 Chapter 3Basic Digital OperationUsing Waveform Clippingappears as a rectangle in the vector representation. With either method, the objective is t

Chapter 3 113Basic Digital OperationUsing Waveform ClippingFigure 3-15 Rectangular Clipping

114 Chapter 3Basic Digital OperationUsing Waveform ClippingFigure 3-16 Reduction of Peak-to-Average PowerConfiguring Circular ClippingThis procedure s

Chapter 3 115Basic Digital OperationUsing Waveform Clipping2. Press Mode > Dual ARB > Select Waveform and ensure that AUTOGEN_WAVEFORM is highl

xiiiDocumentation OverviewInstallation Guide• Safety Information• Getting Started• Operation Verification• Regulatory InformationUser’s Guide• Signal

116 Chapter 3Basic Digital OperationUsing Waveform Scaling11. Press Waveform Statistics > CCDF Plot and observe the waveform’s curve. Notice the r

Chapter 3 117Basic Digital OperationUsing Waveform ScalingFigure 3-18 Waveform OvershootHow Scaling Eliminates DAC Over-Range ErrorsScaling reduces or

118 Chapter 3Basic Digital OperationUsing Waveform ScalingAlthough scaling maintains the basic shape of the waveform, too much scaling can compromise

Chapter 4 1194 Optimizing PerformanceIn the following sections, this chapter describes procedures that improve the performance of the Agilent PSG sign

120 Chapter 4Optimizing PerformanceUsing External Levelingsampling the fast rising edges of pulsed waveforms with high crest factors found in formats

Chapter 4 121Optimizing PerformanceUsing External LevelingConfigure the Signal Generator1. Press Preset.2. Press Frequency > 10 > GHz.3. Press A

122 Chapter 4Optimizing PerformanceUsing External LevelingFigure 4-3 Typical Diode Detector Response at 25° CExternal Leveling with Option 1E1 Signal

Chapter 4 123Optimizing PerformanceCreating and Applying User Flatness CorrectionFor example, leveling the CW output of a 30 dB gain amplifier to a le

124 Chapter 4Optimizing PerformanceCreating and Applying User Flatness CorrectionCreating a User Flatness Correction ArrayIn this example, you create

Chapter 4 125Optimizing PerformanceCreating and Applying User Flatness CorrectionFigure 4-4 User Flatness Correction Equipment SetupConfigure the Sign

xivService Guide• Troubleshooting• Replaceable Parts• Assembly Replacement• Post-Repair Procedures• Safety and Regulatory InformationKey Reference• Ke

126 Chapter 4Optimizing PerformanceCreating and Applying User Flatness Correction7. Press # of Points > 10 > Enter.Steps 4, 5, and 6 enter the

Chapter 4 127Optimizing PerformanceCreating and Applying User Flatness Correction1. Press More (1 of 2) > User Flatness > Configure Cal Array.T

128 Chapter 4Optimizing PerformanceCreating and Applying User Flatness Correction4. Ensure that the file FLATCAL1 is highlighted.5. Press Load From Se

Chapter 4 129Optimizing PerformanceCreating and Applying User Flatness CorrectionNOTE User Flatness correction is only applicable for Agilent 83550 se

130 Chapter 4Optimizing PerformanceCreating and Applying User Flatness CorrectionFigure 4-5 User Flatness with mm-Wave Source Module for a Signal Gene

Chapter 4 131Optimizing PerformanceCreating and Applying User Flatness CorrectionFigure 4-6 User Flatness with mm-Wave Source Module and Option 1EA Si

132 Chapter 4Optimizing PerformanceCreating and Applying User Flatness Correction2. Configure the signal generator to interface with the power meter.a

Chapter 4 133Optimizing PerformanceCreating and Applying User Flatness CorrectionUser Flatness: (UNSTORED) indicating that the current user flatness c

134 Chapter 4Optimizing PerformanceAdjusting Reference Oscillator Bandwidth (Option UNR/UNX)Recalling and Applying a User Flatness Correction ArrayBef

Chapter 4 135Optimizing PerformanceAdjusting Reference Oscillator Bandwidth (Option UNR/UNX)To Restore Factory Default Settings:Internal Timebase: 125

Chapter 1 11 Signal Generator OverviewIn the following sections, this chapter describes the models, options, and features available for Agilent E8257D

136 Chapter 4Optimizing PerformanceAdjusting Reference Oscillator Bandwidth (Option UNR/UNX)

Chapter 5 1375 Analog ModulationIn the following sections, this chapter describes the standard continuous waveform and optional analog modulation capa

138 Chapter 5Analog ModulationConfiguring AM (Option UNT)Configuring AM (Option UNT)In this example, you will learn how to generate an amplitude- modu

Chapter 5 139Analog ModulationConfiguring ΦM (Option UNT)To Set the FM Deviation and Rate1. Press the FM/ΦM hardkey.2. Press FM Dev > 75 > kHz.3

140 Chapter 5Analog ModulationConfiguring Pulse Modulation (Option UNU/UNW)The signal generator is now configured to output a 0 dBm, phase- modulated

Chapter 5 141Analog ModulationConfiguring the LF Output (Option UNT)Configuring the LF Output (Option UNT)With Option UNT, the signal generator has a

142 Chapter 5Analog ModulationConfiguring the LF Output (Option UNT)5. Press FM Off On. You have set up the FM signal with a rate of 10 kHz and 75 kH

Chpater 6 1436 Custom Arb Waveform GeneratorIn the following sections, this chapter describes the custom arbitrary waveform generator mode, which is a

144 Chpater 6Custom Arb Waveform GeneratorWorking with User-Defined Setups (Modes)-Custom Arb OnlySelecting a Custom ARB Setup or a Custom Digital Mod

Chpater 6 145Custom Arb Waveform GeneratorWorking with User-Defined Setups (Modes)-Custom Arb Only11. Press Digital Mod Define > Store Custom Dig

2 Chapter 1Signal Generator OverviewSignal Generator Models and FeaturesE8257D PSG Analog Signal Generator FeaturesThe E8257D PSG includes the followi

146 Chpater 6Custom Arb Waveform GeneratorWorking with Filters12. Enter a file name (for example, EDGEM1) using the alpha keys and the numeric keypad,

Chpater 6 147Custom Arb Waveform GeneratorWorking with Filtersmiddle, and total attenuation at high frequencies. The width of the middle frequencies i

148 Chpater 6Custom Arb Waveform GeneratorWorking with FiltersOptimizing a Nyquist or Root Nyquist FIR Filter for EVM or ACP (Custom Realtime I/Q Base

Chpater 6 149Custom Arb Waveform GeneratorWorking with Filters7. Press Display Impulse Response. A graph displays the impulse response of the current

150 Chpater 6Custom Arb Waveform GeneratorWorking with FiltersTo Create a User-Defined FIR Filter with the FIR Values EditorIn this procedure, you use

Chpater 6 151Custom Arb Waveform GeneratorWorking with Filters7. Press Mirror Table.In a windowed sinc function filter, the second half of the coeffi

152 Chpater 6Custom Arb Waveform GeneratorWorking with Filters9. Press More (1 of 2) > Display FFT (fast Fourier transform). A graph displays the

Chpater 6 153Custom Arb Waveform GeneratorWorking with Symbol RatesWorking with Symbol RatesThe Symbol Rate menu enables you to set the rate at which

154 Chpater 6Custom Arb Waveform GeneratorWorking with Symbol RatesTo Restore the Default Symbol Rate (Custom Real Time I/Q Only)• Press Mode > Cu

Chpater 6 155Custom Arb Waveform GeneratorWorking with Modulation TypesWorking with Modulation TypesThe Modulation Type menu enables you to specify th

Chapter 1 3Signal Generator OverviewSignal Generator Models and Featuresrequire an external trigger source• adjustable pulse rate• adjustable pulse pe

156 Chpater 6Custom Arb Waveform GeneratorWorking with Modulation TypesTo Use a User-Defined Modulation Type (Real Time I/Q Only)Creating a 128QAM I/Q

Chpater 6 157Custom Arb Waveform GeneratorWorking with Modulation Types5. Press the Delete Row softkey 16 times.Repeat this pattern of steps using the

158 Chpater 6Custom Arb Waveform GeneratorWorking with Modulation Types2. Press Mode > Custom > Real Time I/Q Baseband > Modulation Type &g

Chpater 6 159Custom Arb Waveform GeneratorWorking with Modulation TypesModifying a Predefined I/Q Modulation Type (I/Q Symbols) & Simulating Magni

160 Chpater 6Custom Arb Waveform GeneratorWorking with Modulation Types6. Press -1.8 > kHz.Each time you enter a value, the Data column increments

Chpater 6 161Custom Arb Waveform GeneratorWorking with Modulation TypesDifferential Wideband IQ (Option 016)The signal generator with Option 016 can u

162 Chpater 6Custom Arb Waveform GeneratorConfiguring Hardwarethe internal ARB as a baseband source and enable the wideband inputs. 1. Set up the inte

Chpater 6 163Custom Arb Waveform GeneratorConfiguring Hardware9. Press Ext Delay Time > 100 > msec.The Custom Arb Waveform Generator has been c

164 Chpater 6Custom Arb Waveform GeneratorConfiguring Hardware

Chapter 7 1657 Custom Real Time I/Q BasebandIn the following sections, this chapter describes the custom real- time I/Q baseband mode, which is availa

4 Chapter 1Signal Generator OverviewOptionsOptionsPSG signal generators have hardware, firmware, software, and documentation options. The Data Sheet s

166 Chapter 7Custom Real Time I/Q BasebandWorking with Data PatternsDeselecting a Predefined Real Time Modulation SetupTo deselect any predefined mode

Chapter 7 167Custom Real Time I/Q BasebandWorking with Data PatternsUsing a Predefined Data PatternSelecting a Predefined PN Sequence Data Pattern1. P

168 Chapter 7Custom Real Time I/Q BasebandWorking with Data PatternsNOTE When you create a new file, the default name is UNTITLED, or UNTITLED1, and s

Chapter 7 169Custom Real Time I/Q BasebandWorking with Data Patterns4. Press More (1 of 2) > Rename > Editing Keys > Clear Text.5. Enter a f

170 Chapter 7Custom Real Time I/Q BasebandWorking with Data PatternsNavigating the Bit Values of an Existing Data Pattern User File1. Press Goto >

Chapter 7 171Custom Real Time I/Q BasebandWorking with Burst ShapesTo Apply Bit Errors to an Existing Data Pattern User File This example demonstrates

172 Chapter 7Custom Real Time I/Q BasebandWorking with Burst ShapesBurst shape maximum rise and fall time values are affected by the following factors

Chapter 7 173Custom Real Time I/Q BasebandWorking with Burst ShapesYou can also design burst shape files externally and download the data to the signa

174 Chapter 7Custom Real Time I/Q BasebandWorking with Burst ShapesFigure 7-15. Press More (1 of 2) > Display Burst Shape.This displays a graphica

Chapter 7 175Custom Real Time I/Q BasebandConfiguring Hardware8. Press Enter.The contents of the current Rise Shape and Fall Shape editors are stored

Chapter 1 5Signal Generator OverviewModes of OperationNOTE If the PSG’s dynamic host configuration protocol (DHCP) is enabled, the network assigns the

176 Chapter 7Custom Real Time I/Q BasebandConfiguring Hardware2. Press BBG Ref Ext Int to select either external or internal as the bit- clock refere

Chapter 7 177Custom Real Time I/Q BasebandWorking with Phase PolarityWorking with Phase PolarityTo Set Phase Polarity to Normal or Inverted1. Press M

178 Chapter 7Custom Real Time I/Q BasebandWorking with Differential Data EncodingFigure 7-3NOTE The number of bits per symbol can be expressed using t

Chapter 7 179Custom Real Time I/Q BasebandWorking with Differential Data Encodingmapping at the point of modulation, differential data encoding uses t

180 Chapter 7Custom Real Time I/Q BasebandWorking with Differential Data EncodingNOTE The following I/Q State Map illustrations show all possible stat

Chapter 7 181Custom Real Time I/Q BasebandWorking with Differential Data EncodingWhen applied to the user- defined default 4QAM I/Q map, starting from

182 Chapter 7Custom Real Time I/Q BasebandWorking with Differential Data EncodingConfiguring User-Defined I/Q Modulation1. Press Preset.2. Press Mode

Chapter 7 183Custom Real Time I/Q BasebandWorking with Differential Data EncodingEditing the Differential State Map1. Press 1 > Enter.This encodes

184 Chapter 7Custom Real Time I/Q BasebandWorking with Differential Data Encoding5. Press Return > Differential Encoding Off On. This applies the

Chapter 8 1858 Multitone Waveform GeneratorIn the following sections, this chapter describes the multitone mode, which is available only in E8267D PSG

iiNoticeThe material in this document is provided “as is,” and is subject to change without notice in future editions.Further, to the maximum extent p

6 Chapter 1Signal Generator OverviewModes of OperationDigital ModulationIn this mode, the signal generator modulates a CW signal with either a real- t

186 Chapter 8Multitone Waveform GeneratorCreating, Viewing, and Optimizing Multitone WaveformsCreating, Viewing, and Optimizing Multitone WaveformsThi

Chapter 8 187Multitone Waveform GeneratorCreating, Viewing, and Optimizing Multitone WaveformsThe waveform has nine tones spaced 1 MHz apart with rand

188 Chapter 8Multitone Waveform GeneratorCreating, Viewing, and Optimizing Multitone WaveformsFigure 8-3To Edit the Multitone Setup TableThis procedur

Chapter 8 189Multitone Waveform GeneratorCreating, Viewing, and Optimizing Multitone Waveforms9. Press Apply Multitone.NOTE Whenever a change is made

190 Chapter 8Multitone Waveform GeneratorCreating, Viewing, and Optimizing Multitone WaveformsFigure 8-5To Minimize Carrier FeedthroughThis procedure

Chapter 8 191Multitone Waveform GeneratorCreating, Viewing, and Optimizing Multitone Waveforms7. Turn on waveform averaging.8. Create a marker and pla

192 Chapter 8Multitone Waveform GeneratorCreating, Viewing, and Optimizing Multitone Waveforms4. Press Done.5. Press Apply Multitone.6. Press More (1

Chapter 8 193Multitone Waveform GeneratorCreating, Viewing, and Optimizing Multitone WaveformsFigure 8-8 CCDF Plot with Random Phase Set PeakPower

194 Chapter 8Multitone Waveform GeneratorCreating, Viewing, and Optimizing Multitone Waveforms

Chapter 9 1959 Two-Tone Waveform GeneratorIn the following sections, this chapter describes the two- tone mode, which is available only in E8267D PSG

Chapter 1 7Signal Generator OverviewFront PanelFront PanelThis section describes each item on the PSG front panel. Figure 1-1 shows an E8267D front pa

196 Chapter 9Tw o -To n e Wav e fo rm Ge ne r at orCreating, Viewing, and Modifying Two-Tone WaveformsFigure 9-1 Spectrum Analyzer SetupTo C re ate

Chapter 9 197Tw o -To n e Wav ef or m Ge n e r a to rCreating, Viewing, and Modifying Two-Tone WaveformsFigure 9-2To View a Tw o-To ne Wa vefor mT

198 Chapter 9Tw o -To n e Wav e fo rm Ge ne r at orCreating, Viewing, and Modifying Two-Tone WaveformsFigure 9-3To Minimize Carrier FeedthroughThis

Chapter 9 199Tw o -To n e Wav ef or m Ge n e r a to rCreating, Viewing, and Modifying Two-Tone Waveforms6. On the spectrum analyzer, return the reso

200 Chapter 9Tw o -To n e Wav e fo rm Ge ne r at orCreating, Viewing, and Modifying Two-Tone Waveforms1. On the signal generator, press Mode Setup &

Chapter 10 20110 AWGN Waveform GeneratorIn the following sections, this chapter contains examples for using the AWGN waveform generator, which is ava

202 Chapter 10AWGN Waveform GeneratorConfiguring the AWGN GeneratorGenerating the WaveformPress AWGN Off On until On is highlighted.This generates an

Chapter 11 20311 Peripheral DevicesThis chapter provides information on peripheral devices used with PSG signal generators. The N5102A Baseband Studio

204 Chapter 11Peripheral DevicesN5102A Digital Signal Interface ModuleFigure 11-1 Data Setup Menu for a Parallel Port ConfigurationThe N5102A module c

Chapter 11 205Peripheral DevicesN5102A Digital Signal Interface ModuleThe levels will degrade above the warranted level clock rates, but they may stil

8 Chapter 1Signal Generator OverviewFront Panel1. DisplayThe LCD screen provides information on the current function. Information can include status i

206 Chapter 11Peripheral DevicesN5102A Digital Signal Interface ModuleParallel and Parallel Interleaved Port Configuration Clock Rates Parallel and pa

Chapter 11 207Peripheral DevicesN5102A Digital Signal Interface ModuleClock SourceThe clock signal for the N5102A module is provided in one of three w

208 Chapter 11Peripheral DevicesN5102A Digital Signal Interface Moduleclock inside the signal generator must have the same base frequency reference as

Chapter 11 209Peripheral DevicesN5102A Digital Signal Interface ModuleFigure 11-3 Frequency Reference Setup Diagrams for the N5102A Module Clock Signa

210 Chapter 11Peripheral DevicesN5102A Digital Signal Interface ModuleClock Timing for Parallel DataSome components require multiple clocks during a s

Chapter 11 211Peripheral DevicesN5102A Digital Signal Interface ModuleFigure 11-4 Clock Sample Timing for Parallel Port Configuration1 Sample PeriodQ

212 Chapter 11Peripheral DevicesN5102A Digital Signal Interface Module1 Sample Period4 Clocks Per Sample4 ClocksSample rate decreases by a factor of f

Chapter 11 213Peripheral DevicesN5102A Digital Signal Interface ModuleClock Timing for Parallel Interleaved DataThe N5102A module provides the capabil

214 Chapter 11Peripheral DevicesN5102A Digital Signal Interface Module1 Sample Period4 Clocks Per Sample4 ClocksThe I sample is transmitted for the fi

Chapter 11 215Peripheral DevicesN5102A Digital Signal Interface ModuleClock Timing for Serial DataFigure 11- 6 shows the clock timing for a serial por

Chapter 1 9Signal Generator OverviewFront Panel8. TriggerThis key initiates an immediate trigger event for a function such as a list, step, or ramp sw

216 Chapter 11Peripheral DevicesN5102A Digital Signal Interface ModuleFigure 11-7 Clock Phase and Skew AdjustmentsConnecting the Clock Source and the

Chapter 11 217Peripheral DevicesN5102A Digital Signal Interface ModuleFigure 11-8 Example Setup using the PSG 10 MHz Frequency Reference1. Refer to th

218 Chapter 11Peripheral DevicesN5102A Digital Signal Interface ModuleData TypesThe following block diagram indicates where in the PSG signal generati

Chapter 11 219Peripheral DevicesN5102A Digital Signal Interface Module The Filter softkey accesses a menu that enables you set the desired filtering p

220 Chapter 11Peripheral DevicesN5102A Digital Signal Interface ModuleFigure 11-9 First-Level Softkey MenuChoosing the Logic Type and Port Configurati

Chapter 11 221Peripheral DevicesN5102A Digital Signal Interface ModuleCAUTION Changing the logic type can increase or decrease the signal voltage leve

222 Chapter 11Peripheral DevicesN5102A Digital Signal Interface ModuleFigure 11-11 Data Setup Menu LocationThis softkey menu accesses the various para

Chapter 11 223Peripheral DevicesN5102A Digital Signal Interface ModuleFigure 11-12 Data Setup Softkey Menu with Parallel Port Configuration2. If a rea

224 Chapter 11Peripheral DevicesN5102A Digital Signal Interface Module6. Press the More (1 of 2) softkey.From this softkey menu, select the bit order,

Chapter 11 225Peripheral DevicesN5102A Digital Signal Interface ModuleFrom this softkey menu, set all of the clock parameters that synchronize the clo

10 Chapter 1Signal Generator OverviewFront Panel12. EXT 2 INPUTThis female BNC input connector (functional only with Options UNT, UNU, or UNW) accepts

226 Chapter 11Peripheral DevicesN5102A Digital Signal Interface ModuleThis error is reported when the output FIFO is overflowing in thedigital module.

Chapter 11 227Peripheral DevicesN5102A Digital Signal Interface Module6. Press the Clock Phase softkey.From the menu that appears, you can adjust the

228 Chapter 11Peripheral DevicesN5102A Digital Signal Interface ModuleGenerating Digital DataPress the N5102A Off On softkey to On.Digital data is now

Chapter 11 229Peripheral DevicesN5102A Digital Signal Interface ModuleFigure 11-15 First-Level Softkey MenuSelecting the Input DirectionIf both Option

230 Chapter 11Peripheral DevicesN5102A Digital Signal Interface ModuleChoosing the Logic Type and Port ConfigurationFigure 11-16 Logic and Port Config

Chapter 11 231Peripheral DevicesN5102A Digital Signal Interface ModuleConfiguring the Clock Signal1. Press the Clock Setup softkey, as shown in Figure

232 Chapter 11Peripheral DevicesN5102A Digital Signal Interface ModuleFigure 11-18 Clock Setup Softkey Menu for a Parallel Port ConfigurationThe top g

Chapter 11 233Peripheral DevicesN5102A Digital Signal Interface ModuleFor the External selection, the signal is supplied by an external clock source a

234 Chapter 11Peripheral DevicesN5102A Digital Signal Interface ModuleThe skew has discrete values with a range that is dependent on the clock rate. R

Chapter 11 235Peripheral DevicesN5102A Digital Signal Interface ModuleFigure 11-20 Data Setup Softkey Menu with Parallel Port Configuration2. Press th

Chapter 1 11Signal Generator OverviewFront Panel18. RF OUTPUTThis connector outputs RF and microwave signals. The nominal output impedance is 50 ohms.

236 Chapter 11Peripheral DevicesMillimeter-Wave Source Modules6. Press the More (1 of 2) softkey.From this softkey menu, select the bit order, swap I

Chapter 11 237Peripheral DevicesMillimeter-Wave Source ModulesThe following is a list of equipment required for extending the frequency range of the s

238 Chapter 11Peripheral DevicesMillimeter-Wave Source ModulesFigure 11-21 Setup for E8257D PSG without Option 1EA

Chapter 11 239Peripheral DevicesMillimeter-Wave Source ModulesFigure 11-22 Setup for E8267D PSG and E8257D PSG with Option 1EAConfiguring the Signal G

240 Chapter 11Peripheral DevicesMillimeter-Wave Source ModulesWhen the 8355x series mm- wave source is enable via the front panel Agilent 8355x Source

Chapter 11 241Peripheral DevicesMillimeter-Wave Source ModulesFigure 11-23 Setup for E8257D PSG without Option 1EAFigure 11-24 Setup for E8267D PSG an

242 Chapter 11Peripheral DevicesMillimeter-Wave Source ModulesConfiguring the Signal GeneratorThe following procedure configures a PSG for use with an

Chapter 12 24312 TroubleshootingThis chapter provides basic troubleshooting information for Agilent PSG signal generators. If you do not find a soluti

244 Chapter 12TroubleshootingRF Output Power ProblemsRF Output Power too Low1. Look for an OFFS or REF indicator in the AMPLITUDE area of the display.

Chapter 12 245TroubleshootingRF Output Power ProblemsFigure 12-1 Effects of Reverse Power on ALCThe internally leveled signal generator RF output (and

12 Chapter 1Signal Generator OverviewFront Panel25. ReturnPressing this hardkey displays the previous softkey menu. It enables you to step back throug

246 Chapter 12TroubleshootingRF Output Power ProblemsFigure 12-2 Reverse Power SolutionCompared to the original configuration, the ALC level is 10 dB

Chapter 12 247TroubleshootingNo Modulation at the RF Output4. Turn the RF off: set RF On/Off to Off5. Turn the signal generator’s automatic leveling c

248 Chapter 12TroubleshootingSweep ProblemsSweep ProblemsSweep Appears to be StalledThe current status of the sweep is indicated as a shaded rectangle

Chapter 12 249TroubleshootingData Storage Problems4. Observe if the Dwell Type List Step softkey is set to Step.When Step is selected, the signal gene

250 Chapter 12TroubleshootingCannot Turn Off Help ModeCannot Turn Off Help Mode1. Press Utility > Instrument Info/Help Mode 2. Press Help Mode Si

Chapter 12 251TroubleshootingError MessagesCAUTION Carefully read the entire message! It may list additional risks with this procedure.3. Release the

252 Chapter 12TroubleshootingError MessagesError Message FileA complete list of error messages is provided in the file errormessages.pdf, on the CDROM

Chapter 12 253TroubleshootingContacting Agilent Sales and Service OfficesThe <error_message> string for a positive error is not defined by SCPI.

254 Chapter 12TroubleshootingReturning a Signal Generator to Agilent Technologies

Index255IndexSymbolsΦM 15, 139Numerics003, option 3004, option 3005, option 3007, option 2, 5, 43015, option 3016, option 31 GHz REF OUT connector 251

Chapter 1 13Signal Generator OverviewFront Panel• When the SYMBOL SYNC itself is used as the (symbol) clock, the CMOS falling edge is used to clock th

Index256IndexAUXILIARY INTERFACE connector 27AWGNARB 201dual ARB player 86real-time 201BbandwidthALC, selecting 119reference oscillator, adjusting 134

Index257Indexcontrast adjustments 12correction array (user flatness)configuration 125load from step array 126viewing 126See also user flatness correct

Index258Indexdwell time 39EE8257Doptional features 2standard features 2E8267Doptional features 3standard features 3Edit Item softkey 35Erase All 63, 6

Index259Indexfrequency output limits, clock rates & logic levels 204frequency range 53frequency referencecommon 207hookup diagrams 209front paneld

Index260IndexlevelingALC 246external 120–123internal 119mm-wave source module, using 236LF OUT connector 32LF output 141–142LF OUTPUT connector 10lice

Index261Indexmulticarrier waveform 143, 145, 162multitone 71multitone mode 6multitone waveform generator 185–193NN5102A 203baseband data 219clock rate

Index262IndexPPage Down softkey 35Page Up softkey 35parallelclock rates 206data clock timing 210interleaved data clock timing 213sample rates 206PATTE

Index263Indexreferenceamplitude, setting 38frequency, setting 37oscillator bandwidth, adjusting 134registers 57, 58remote operation 128remote operatio

Index264IndexSignal Studio software 185, 195single step sweep 40single trigger mode 103single trigger, setting 162skewclock timing 215range 215SMI con

Index265Indexreal-time I/Q 156, 182Vvector PSGoptional features 3standard features 3VIDEO OUT connector 11volatile memory 83Wwarranted logic output cl

14 Chapter 1Signal Generator OverviewFront Panel DisplayFront Panel DisplayFigure 1-2 shows the various regions of the PSG display. This section descr

Index266Index

Chapter 1 15Signal Generator OverviewFront Panel Display1. Active Entry AreaThe current active function is shown in this area. For example, if frequen

Contentsiii1. Signal Generator Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

16 Chapter 1Signal Generator OverviewFront Panel DisplayEXT REF This annunciator appears when an external frequency reference is applied.FM This a

Chapter 1 17Signal Generator OverviewFront Panel DisplayUNLEVEL This annunciator appears when the signal generator is unable to maintain the correct

18 Chapter 1Signal Generator OverviewRear PanelRear PanelThis section describes each item on the PSG rear panel. Four consecutive drawings show the st

Chapter 1 19Signal Generator OverviewRear PanelFigure 1-4 E8267D Option 1EM Rear Panel1. EVENT 1 16. GPIB 31. RF OUT2. EVENT 2 17. 10 MHz EFC 32. EXT

20 Chapter 1Signal Generator OverviewRear PanelFigure 1-5 Standard E8257D Rear Panel5. AUXILIARY I/O 19. AUXILIARY INTERFACE 25. Z- AXIS BLANK/MKRS12.

Chapter 1 21Signal Generator OverviewRear PanelFigure 1-6 E8257D Option 1EM Rear Panel5. AUXILIARY I/O 22. 10 MHz OUT 33. EXT 212. COH CARRIER 23. STO

22 Chapter 1Signal Generator OverviewRear Panel1. EVENT 1This female BNC connector is used with an internal baseband generator (Option 601/602). On si

Chapter 1 23Signal Generator OverviewRear Panel5. AUXILIARY I/OThis female 37-pin connector is active only on instruments with an internal baseband ge

24 Chapter 1Signal Generator OverviewRear Panel6. DIGITAL BUSThis is a proprietary bus used for Agilent Baseband Studio products, which require an E82

Chapter 1 25Signal Generator OverviewRear Panel10. I-bar OUTThis female BNC connector (E8267D only) is used with an internal baseband generator (Optio

Contents iv26. Contrast Decrease . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

26 Chapter 1Signal Generator OverviewRear Panel14. Q-bar OUTThis female BNC connector (E8267D only) can be used with an internal baseband generator (O

Chapter 1 27Signal Generator OverviewRear Panel19. AUXILIARY INTERFACEThis 9- pin D- subminiature female connector is an RS- 232 serial port that can

28 Chapter 1Signal Generator OverviewRear Panel22. 10 MHz OUTThis female BNC connector outputs a nominal signal level of > +4 dBm and has an output

Chapter 1 29Signal Generator OverviewRear Panel27. TRIGGER OUTThis female BNC connector, in step/list sweep mode, outputs a TTL signal that is high at

30 Chapter 1Signal Generator OverviewRear Panel33. EXT 2This female BNC input connector (functional only with Options UNT, UNU, or UNW) accepts a ±1Vp

Chapter 1 31Signal Generator OverviewRear Panel39. I INThis female BNC input connector (E8267D only) accepts the in- phase (I) component an externally

32 Chapter 1Signal Generator OverviewRear Panel43. LF OUTThis female BNC output connector (functional only with Option UNT) outputs modulation signals

Chapter 2 332 Basic OperationIn the following sections, this chapter describes operations common to all Agilent PSG signal generators:• “Using Table E

34 Chapter 2Basic OperationUsing Table EditorsUsing Table EditorsTable editors simplify configuration tasks, such as creating a list sweep. This secti

Chapter 2 35Basic OperationUsing Table EditorsTable Ed it or So ftke y sThe following table editor softkeys are used to load, navigate, modify, and s

Contentsv17. 10 MHz EFC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

36 Chapter 2Basic OperationConfiguring the RF OutputConfiguring the RF OutputThis section provides information on how to create continuous wave and sw

Chapter 2 37Basic OperationConfiguring the RF Output8. Use the knob to adjust the frequency back to 700 MHz.Setting the Frequency Reference and Freque

38 Chapter 2Basic OperationConfiguring the RF Output3. Change the amplitude to −20 dBm: Press Amplitude > −20 > dBm.The new output power display

Chapter 2 39Basic OperationConfiguring the RF OutputNOTE List sweep data cannot be saved within an instrument state, but can be saved to the memory ca

40 Chapter 2Basic OperationConfiguring the RF OutputTo Configure a Single Step SweepIn this procedure, you create a step sweep with nine, equally- spa

Chapter 2 41Basic OperationConfiguring the RF OutputTo Configure a Continuous Step SweepPress Sweep Repeat Single Cont.This toggles the sweep from sin

42 Chapter 2Basic OperationConfiguring the RF Output3. Use the arrow keys to highlight the dwell time in row 1.4. Press Edit Item.The dwell time for p

Chapter 2 43Basic OperationConfiguring the RF Output5. Press the Trigger hardkey.The signal generator will single sweep the points in your list and th

44 Chapter 2Basic OperationConfiguring the RF OutputFigure 2-2 Equipment Setup2. Turn on both the 8757D and the PSG.3. On the 8757D, press System >

Chapter 2 45Basic OperationConfiguring the RF OutputNOTE During swept RF output, the FREQUENCY and/or AMPLITUDE areas of the signal generator’s displa

Contents viApplying a Modulation Format to the RF Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54Using Data Stora

46 Chapter 2Basic OperationConfiguring the RF OutputFigure 2-3 Bandpass Filter Response on 8757DUsing Markers1. Press Markers.This opens a table edito

Chapter 2 47Basic OperationConfiguring the RF Output4. Move the cursor back to marker 0 and press Delta Ref Set > Marker Delta Off On to On.In the

48 Chapter 2Basic OperationConfiguring the RF OutputFigure 2-5 Delta Markers on 8757D6. Press Turn Off Markers.All active markers turn off. Refer to t

Chapter 2 49Basic OperationConfiguring the RF Output4. Press Sweep Time to Auto.The sweep time returns to its fastest allowable setting.NOTE When usi

50 Chapter 2Basic OperationConfiguring the RF OutputFigure 2-6 Alternating Sweeps on 8757DConfiguring an Amplitude Sweep1. Press Return > Sweep &g

Chapter 2 51Basic OperationConfiguring the RF Output1. Set up the equipment as shown in Figure 2-7. Use a 9- pin, D- subminiature, male RS- 232 cable

52 Chapter 2Basic OperationConfiguring the RF OutputFigure 2-7 Master/Slave Equipment SetupFigure 2-8 RS-232 Pin Configuration

Chapter 2 53Basic OperationModulating a SignalExtending the Frequency RangeYou can extend the signal generator frequency range using an Agilent 83550

54 Chapter 2Basic OperationModulating a SignalFigure 2-9 Example of AM Modulation Format Off and OnApplying a Modulation Format to the RF OutputThe ca

Chapter 2 55Basic OperationUsing Data Storage FunctionsFigure 2-10 Carrier Signal Modulation StatusUsing Data Storage FunctionsThis section explains h

Contentsvii3. Controlling Markers in a Waveform Sequence (Dual ARB Only) . . . . . . . . . . . . . . . . . . . . . .97Viewing a Marker Pulse . . . .

56 Chapter 2Basic OperationUsing Data Storage FunctionsStoring Files to the Memory CatalogTo store a file to the memory catalog, first create a file.

Chapter 2 57Basic OperationUsing Data Storage FunctionsViewing Stored Files in the Memory Catalog1. Press Utility > Memory Catalog > Catalog Typ

58 Chapter 2Basic OperationUsing Data Storage Functions2. Press Save > Select Seq.The sequence number becomes the active function. The signal gen

Chapter 2 59Basic OperationUsing Security Functions4. Press Select Reg and enter the register number you want to delete.Notice that the Delete Seq[n]

60 Chapter 2Basic OperationUsing Security Functionssection also have an equivalent SCPI command for remote operation. (Refer to the “System Commands”

Chapter 2 61Basic OperationUsing Security FunctionsBattery Backed Memory (SRAM)512 kBYes Yes user-editable data (table editors)last instrument state,

62 Chapter 2Basic OperationUsing Security FunctionsBBG Firmware Memory (Flash)32 MBNo Yes firmware image for baseband generatorfirmware upgradeCoproce

Chapter 2 63Basic OperationUsing Security FunctionsRemoving Sensitive Data from PSG MemoryWhen moving the PSG from a secure development environment, y

64 Chapter 2Basic OperationUsing Security FunctionsConfirm Sanitize.Removing Persistent State Information Not Removed During ErasePersistent StateThe

Chapter 2 65Basic OperationUsing Security FunctionsActivating the Secure ModeCAUTION Once you activate secure mode (by pressing Confirm), you cannot d

Contents viiiAnalog Modulation Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137Co

66 Chapter 2Basic OperationEnabling OptionsUsing the Secure DisplayThis function prevents unauthorized personnel from reading the instrument display a

Chapter 2 67Basic OperationUsing the Web Server2. Verify that the host ID shown on the display matches the host ID on the license key certificate. The

68 Chapter 2Basic OperationUsing the Web ServerThe Web- Enabled PSG web page, shown in Figure 2- 12, provides general information on your signal gener

Chapter 2 69Basic OperationUsing the Web ServerFigure 2-12 Signal Generator Web Page

70 Chapter 2Basic OperationUsing the Web Server7. Click the Signal Generator Web Control menu button on the left of the page. A new web page will be d

Chapter 3 713 Basic Digital OperationThis chapter provides information on the functions and features available for the E8267D PSG vector signal genera

72 Chapter 3Basic Digital OperationArbitrary (ARB) Waveform File HeadersCustom Arb Waveform GeneratorThe signal generator’s Arb Waveform Generator mod

Chapter 3 73Basic Digital OperationArbitrary (ARB) Waveform File HeadersMarker settings and routing functions (page 88)—Polarity—ALC hold—RF blanking•

74 Chapter 3Basic Digital OperationArbitrary (ARB) Waveform File Headersthe active modulation, you must modify the default settings before you save th

Chapter 3 75Basic Digital OperationArbitrary (ARB) Waveform File HeadersFigure 3-2 Custom Digital Modulation Default Header Display2. Save the informa

ContentsixTo Restore the Default Symbol Rate (Custom Real Time I/Q Only) . . . . . . . . . . . . . . . . . . . . . .154Working with Modulation Types

76 Chapter 3Basic Digital OperationArbitrary (ARB) Waveform File Headers3. Return to the ARB Setup menu: Press Return.In the ARB Setup menu (shown in

Chapter 3 77Basic Digital OperationArbitrary (ARB) Waveform File HeadersFigure 3-3 ARB Setup Softkey Menu and Marker UtilitiesDual ARB Player softkey(

78 Chapter 3Basic Digital OperationArbitrary (ARB) Waveform File HeadersFigure 3-4 Differing Values between Header and Current Setting ColumnsFigure 3

Chapter 3 79Basic Digital OperationArbitrary (ARB) Waveform File HeadersStoring Header Information for a Dual ARB Player Waveform SequenceWhen you cre

80 Chapter 3Basic Digital OperationArbitrary (ARB) Waveform File HeadersViewing Header Information with the Dual ARB Player OffOne of the differences

Chapter 3 81Basic Digital OperationArbitrary (ARB) Waveform File HeadersViewing Header Information for a Different Waveform FileWhile a waveform is pl

82 Chapter 3Basic Digital OperationArbitrary (ARB) Waveform File HeadersPlaying a Waveform File that Contains a HeaderAfter a waveform file (AUTOGEN_W

Chapter 3 83Basic Digital OperationUsing the Dual ARB Waveform PlayerUsing the Dual ARB Waveform PlayerThe dual arbitrary (ARB) waveform player is use

84 Chapter 3Basic Digital OperationUsing the Dual ARB Waveform PlayerCreating Waveform SegmentsThere are two ways to provide waveform segments for use

Chapter 3 85Basic Digital OperationUsing the Dual ARB Waveform Player2. Create the first waveform segment:a. Press Mode > Dual ARB > Waveform S