Agilent Technologies N4970A Bedienungsanleitung PDF herunterladen (Seite 23)

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Agilent N4970A PRBS Generator and N4984A Clock Divider Products

The Agilent Technologies N4970A PRBS generator 10 Gb/s is a self-

contained 10 Gb/s pseudo random bit sequence (PRBS) generator. The

N4970A PRBS generator 10 Gb/s can be configured to use an external

clock source allowing operation from 50 Mb/s to 12.5 Gb/s. Five different

PRBS pattern lengths and three mark density ratios are available via user

selectable jumpers.

Key features & Specifications

• Wide operating range, from 50 Mb/s to 12.5 Gb/s

• Multiple output patterns: 2

– 1 where n= 7, 10, 15, 23, 31

• Fixed-frequency internal clock source

• Multiple mark density settings: ½, ¼, ⅛

• Differential outputs

Applications

• SONET/SDH

• 10 Gb/s ethernet

• Production testing

The N4984A-020 clock divider 20 GHz provides divide-by-1, divide-by-2,

divide-by-4, or divide-by-8 output, set by selectable jumpers on the rear

panel. Inputs and outputs are differential.

Key features & Specifications

• Wide frequency range: up to 40 GHz

• High input sensitivity

• Very low jitter

• Fast rise/fall times

• Divide-by- 1/2/4/8 outputs

• AC power supply included

• Size: 3.5” x 4.0” x 1”

Applications

The N4984A dividers can be used to extend the trigger range of high

speed sampling oscilloscopes. Precision timebase measurements will

benefit from the very low added jitter and fast waveform edges. The

N4984A can be used to generate synchronized, high frequency clocks

from existing sinusoidal, synthesized sources. The low 1/f phase noise

characteristics of the dividers will benefit high frequency phase lock loop

designs.

The Agilent Technologies N4984A clock dividers are general purpose test

accessories designed for microwave communications and test applica-

tions. The inputs and outputs are AC-coupled. The dividers are self-con-

tained and plug into standard AC power sources.

The N4984A-040 clock divider 40 GHz simultaneously provides divide-

by-2, divide-by-4, and divide-by-8 outputs. The single-ended input is

accessed from the rear via a 2.9 mm connector while the outputs are

provided at the front panel via SMA connectors.

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