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3.16.6
N4951B-D17/-D32 Pattern Generator with 5-tap De-emphasis
Keysight N4960A Serial BERT 17 and 32 Gb/s User Guide
In order to send remote commands to the intended pattern generator,
[ (@<channel list>) ] defines which channel(s) to apply the command.
Channel 0 is the jitter channel and channel 1 is the delay channel. Refer
to
6.8 Pattern Generator
Dual pattern generators can also be controlled using the N4980A multi-
instrument BERT software.
The N4951B de-emphasis options provide integrated 5-tap de-
emphasis (1 pre-cursor, 2 post cursors) and are available in 17 Gb/s and
32 Gb/s versions. The de-emphasis head provides designers with the
signal pre-distortion capability required for transmitter emulation when
characterizing receivers, backplanes, and systems.
Figure 22. No de-emphasis
Figure 23. De-emphasis equalization applied
Channelization.
Operation
51
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