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2-32 GB1400 User Manual
2. Connect the Generator to the Analyzer.
Connect the generator and analyzer as shown below. The generator CLOCK output
connects to the analyzer CLOCK input. The generator DATA output connects to the
analyzer DATA input. The rear panel THRESHOLD output on the Rx connects to the
Receiver NOT-DATA input on the front panel. Terminate the generator NOT_CLOCK
and NOT_DATA signals with the 50Ω terminators located on the front panel of the
generator.
GB1400 TX GB1400 RX
clock
data
clk clk data data data data clk clk
rear panel
threshold output
Note: Do not mix up the clock, not_clock, data, and not_data signals or tutorial
results will be different.
3. Setup Generator for PRBS-23 Mode.
Locate the controls in the OUTPUT box of the Generator. Setup the Generator
clock and data outputs as follows:
Set this parameter …to this value …using this procedure.
DATA amplitude. 1 volts Press the DATA key. The LED within the switch
should be lit.
Press AMPLITUDE up/down keys until data
amplitude is set to 2.00V.
DATA baseline offset -0.5 volt Press BASELINE OFFSET up/down keys until
data baseline offset is set to -0.50V.
CLOCK amplitude 1 volts Press CLOCK. (the LED within switch should be
lit).
Press AMPLITUDE up/down keys until clock
amplitude is set to 2.00V.
CLOCK baseline
offset
-0.5 volt Press BASELINE OFFSET up/down keys until
clock baseline OFFSET is set to -0.50V.