Agilent Technologies 86100C Manuale Utente Scaricare il pdf (Pagina 4)

Option 101 requires Option 100 and adds additional

capability:

• Periodic jitter frequency

• Isolation and analysis of Sub-Rate Jitter (SRJ),

that is, periodic jitter that is at an integer sub-rate

of the bitrate.

• Bathtub curve display

• Jitter Mode operation with the patented 86107A

Precision Timebase Module

• Adjustable total jitter probability

As bit rates increase, channel effects cause significant

eye closure. Many new devices and systems are

employing equalization and pre/de-emphasis to

compensate for channel effects. Option 101 Advanced

Waveform Analysis will provide key tools to enable

design and test of devices and systems that must deal

with difficult channel effects:

• Capture of long single valued waveforms. PatternLock

triggering and the waveform append capability of

Option 101 enable very accurate pulse train data sets

up to 256 megasamples long.

• Equalization. The DCA-J can take a long single

valued waveform and route it through an equalizer

algorithm (default or user defined) and display

the resultant equalized waveform. The user can

simultaneously view the input (distorted) and output

(equalized) waveforms.

• Pattern lock triggering with 86107A

Digital communications analysis

Accurate eye-diagram analysis is essential for

characterizing the quality of transmitters used from

100 Mb/s to 40 Gb/s. The 86100C was designed

specifically for the complex task of analyzing digital

communications waveforms. Compliance mask and

parametric testing no longer require a complicated

sequence of setups and configurations. If you can press

a button, you can perform a complete compliance test.

The important measurements you need are right at your

fingertips, including:

• industry standard mask testing with built-in

margin analysis

• extinction ratio measurements with accuracy and

repeatability

• eye measurements: crossing %, eye height and width,

‘1’ and ‘0’ levels, jitter, rise or fall times and more

The key to accurate measurements of lightwave

communications waveforms is the optical receiver.

The 86100C has a broad range of precision receivers

integrated within the instrument.

• Built-in photodiodes, with flat frequency responses,

yield the highest waveform fidelity. This provides high

accuracy for extinction ratio measurements.

• Standards-based transmitter compliance measurements

require filtered responses. The 86100C has a broad

range of filter combinations. Filters can be automatically

and repeatably switched in or out of the measurement

channel remotely over GPIB or with a front panel

button. The frequency response of the entire

measurement path is calibrated, and will maintain

its performance over long-term usage.

• The integrated optical receiver provides a calibrated

optical channel. With the accurate optical receiver

built into the module, optical signals are accurately

measured and displayed in optical power units.

Switches or couplers are not required for an average

power measurement. Signal routing is simplified and

signal strength is maintained.

Eye diagram mask testing

The 86100C provides efficient, high-throughput

waveform compliance testing with a suite of standards

based eye-diagram masks. The test process has been

streamlined into a minimum number of keystrokes for

testing at industry standard data rates.

Standard masks

Rate (Mb/s)

1X Gigabit Ethernet 1250

2X Gigabit Ethernet 2500

10 Gigabit Ethernet 9953.28

10 Gigabit Ethernet 10312.5

Fibre Channel 1062.5

2X Fibre Channel 2125

4X Fibre Channel 4250

10X Fibre Channel 10518.75

STM0/OC1 51.84

STM1/OC3 155.52

STM4/OC12 622.08

STM16/OC48 2488.3

Infiniband 2500

XAUI 3125

STM64/OC192 9953.28

STM64/OC192 FEC 10664.2

STM64/OC192 FEC 10709

STM64/OC192 Super FEC 12500

STM256/OC768 39813

STS1 EYE 51.84

STS3 EYE 155.52

user-definable measurement conditions, such as mask

margins for guardband testing, number of waveforms

tested, and stop/limit actions.

Other eye-diagram

masks are easily

created through scaling

those listed at left. In

addition, mask editing

allows for new masks

either by editing

existing masks, or

creating new masks

from scratch. A new

mask can also be

created or modified on

an external PC using a

text editor such as

Notepad, then can be

transferred to the

instrument’s hard

drive using LAN or

the A: drive.

Perform these mask

conformance tests

with convenient

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Agilent Technologies 86100C Manuale Utente Pagina 4

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