Agilent Technologies E8257C PSG Specifiche Scaricare il pdf (Pagina 7)

7

Millimeter-wave source module level-

ing is similar to external detector

leveling. The power level feedback

signal to the ALC circuitry is taken

from the millimeter-wave source

module, rather than the internal

signal generator detector. This feed-

back signal levels the RF output

power at the mm-wave source

module output through the signal

generator’s rear panel source

module interface connector.

Required equipment

• Agilent 83550 series millimeter-wave

source module

• Agilent 8349B microwave amplifier

(required for signal generators

without Option 1EA)

• cables and adapters, as required

Connect the equipment

CAUTION To prevent damage to the

signal generator, turn off the line

power to the signal generator before

connecting the source module inter-

face cable to the rear panel source

module interface connector.

Leveling with a Millimeter-Wave Source Module

1. Turn off the signal generator’s line power.

2. Connect the equipment as shown. Use the

setup in Figure 3-3 for signal generators without

Option 1EA. Use the setup in Figure 3-4 for

Option 1EA signal generators.

Figure 3-3.

External Millimeter-

wave source module

leveling for a signal

generator without

Option 1EA.

LINEOI

INTERNAL PULSE GENERATOR

GATE/PULSE

TRIGGER INPUT

50Ω

VIDEO

OUT

50Ω

SYNC

OUT

50Ω

RF OUTPUT

50Ω

REVERSE PWR

1W MAX 0V DC

!

LP OUTPUT

ALC INPUT

EXT 2 INPUT

EXT 1 INPUT

Sweep/

List

AM

FM/

ΦM

LF Out

Pulse

Utility

MENUS

Save Recall Trigger Help

Mod

On/Off

RF

On/Off

7 8 9

4 5 6

1 2 3

0 .

+/-

Hold

Incr

Set

E8254A

250 kHz – 40 GHz

PSG -A Series Signal Generator

Frequency

Amplitude

ReturnLocalPrint

FREQUENCY

AMPLITUDE

40.000 000 000 000

GHZ

10.00

dBm

MOD

ON

RF

ON

E8349B

Microwave Amplifier

Source

module

RF input

RF output

Leveled

output

RF input

Source module interface

Signal generator

Adapter

(If required)

MM-wave source module

RF output

Microwave

amplifier

1 2 3 4 5 6 7 8 9 10 11 12 ... 19 20

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