20
Keysight M8040A High-Performance BERT Getting Started Guide
1
Introduction
M8045A Front Panel Input/Output Ports
Table 5
M8045A Front Panel Input/Output Ports
CAUTION
The inputs of the M8045A module are sensitive to static electricity.
Therefore, take necessary anti-static precautions, such as wearing a
grounded wrist strap, to minimize the possibility of electrostatic damage.
Component
Description
CLK Out1
•
Low Jitter (~150fs) Clk out. Baud-rate / 1,2,4,8,16
•
Same Jitter as Data out or clean clk
•
Typ 1.5 V pp
CLK Out2
•
Low Jitter (~150fs) Clk out. Baud-rate / 1,2,4,8,16
•
Same Jitter as Data out or clean clk
•
Typ 1.5 V pp
P and N
P and N must be connected to M8057A/B remote head.
REMOTE HEAD 1, 2
Remote Head Control. This output provides power and control signals for the
remote head amplifier
DATA MOD IN 1, 2
This input is used for data out delay modulation by an external source.
CTRL IN A, B
The data module has 2 control inputs at the front panel. The functionality of
each individual input can be selected.
•
Error Add Input
Every rising edge at the input generates a single error in the output stream
by flipping a single bit. The maximum repetition rate is data rate divided by 4
times the vector size.
•
Output Blanking
If the input level is above the threshold level pattern generation stops and
only 0’s are sent on data out. Normal operation resumes when the input
level is below the threshold.
•
Electrical Idle
If the input level is above the threshold level the output amplifier enters
electrical idle. Normal operation resumes when the input level is below the
threshold.
Summary of Contents for M8000 Series
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