Agilent Technologies 86100B Manual do Utilizador descarregar pdf (Página 6)

used today—electrical lines, multimode, and single-mode

fiber. A built-in coupler reduces external hardware

requirements. All five modules have excellent jitter

performance to ensure accurate measurements. Each

clock recovery module is designed to synchronize to a

variety of common transmission rates.

Clock Recovery Loop Bandwidth

The Agilent clock recovery modules have two loop

bandwidth settings. Loop bandwidth is very important

in determining the accuracy of your waveform when

measuring jitter, as well as testing for compliance.

•Narrow loop bandwidth provides a clean system clock

for accurate jitter measurements

• Wide loop bandwidth in some applications is specified

in the standards for compliance testing. It allows the

recovered clock to track the data and is useful for

extracting a signal that may have propagated through a

complex network and have large amounts of jitter. While

this obviously negates any ability to quantify the jitter,

it does allow other parameters of an eye to be measured.

Note: When using recovered clocks for triggering, jitter

measurement accuracy is suspect unless the scheme has

a very narrow loop bandwidth.

Improved Autoscaling

Autoscaling has been significantly improved to provide

quick horizontal and vertical scaling of both pulse and

eye-diagram (RZ and NRZ) waveforms.

Time Domain Reflectometer (TDR)

TDR measurements are focused on high-speed applica-

tions where it is necessary to optimize electrical system

components, such as microstrip lines, PC board traces,

SMA edge launchers and coaxial cables where imperfec-

tions cause signal distortion and reflections. Signal

integrity is a critical requirement in high-speed digital

signal transmission.

Gated Triggering

Trigger gating port allows easy external control of data

acquisition for circulating loop or burst-data experi-

ments. Use TTL-compatible signals to control when the

instrument does and does not acquire data.

Easier Calibrations

Calibrating your instrument has been simplified by

placing all the performance level indicators and calibra-

tion procedures in a single high-level location. This

provides greater confidence in the measurements made

and saves time in maintaining equipment.

Stimulus Response Testing

Using the Agilent N4906A Serial BERT

Error performance analysis represents an essential part

of digital transmission test. The Agilent 86100B and

N4906A SmartBERT have similar user interfaces and

together create a powerful test solution.

Transitioning from the Agilent 83480A and

86100A to the 86100B

The 86100B has been designed to be a virtual drop-in

replacement for the Agilent 86100A and Agilent 83480A

digital communications analyzers and Agilent 54750A

wide-bandwidth oscilloscope. All modules used in the

Agilent 83480A and 54750A can also be used in the

86100B. The remote programming command set for the

86100B has been designed for direct compatibility with

software written to control the 86100A, 83480A and

54750A.

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