208 Keysight M8000 Series of BER Test Solutions User Guide
4 User Interface - M8020A Display Views
• S-Prameter Input Port - Selects the input port in S-Parameter
profile.
• Clk Gen - The Clk Gen port has the following components:
• Synthesizer - Used to set data rate frequency and period.
• Random Interface - The Random Interface function has the following
components:
• Crest Factor Unit - Used to set the random interference crest factor
unit type. Following unit types are allowed:
• LINear - This is the default setting. Select this unit to specify
the crest factor as voltage ratio.
• LOGarithmic - Select this unit to specify the crest factor in dB.
• Crest Factor - Used to set the random interference crest factor value
in dB or as voltage ratio depending on the currently selected crest
factor unit type. This is defined as peak value.
• Highest Frequency - Used to set the random interference high
frequency in Hz.
• Lowest Frequency - Used to set the random interference low
frequency in Hz.
• Sinusoidal Interference - The Sinusoidal Interference function has the
following components:
• Frequency - Used to set the sinusoidal interference frequency in Hz.
For M8195A, the frequency may be set up to 32 GHz and for
M8196A, the frequency can be set up to 46 Gb/s. This is applicable
for both NRZ and PAM4 line coding.
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