Keysight M8000 Series of BER Test Solutions User Guide 253
Setting up Generator 5
M8040A Generator Ports
The M8040A generator ports are used to set the generator's clock
frequency and to define the output signal with respect to jitter, error
insertion and signal output. In addition, the generator's output ports are
also used to supply a clock signal and trigger (for example, analyzer), and
an arbitrary data signal for testing your device.
The M8040A provides a high level of integration with built-in clock
synthesizer, de-emphasis, jitter and level interference. It allows you to set
the parameters for the built-in generator parameters such as amplifier,
de-emphasis, HF and LF jitter, common mode interference and differential
mode interference.
The following figure shows the M8040A generator’s ports.
The M8040A generator’s ports include the following:
• Remote Head - P and N Ports
The P and N ports of each channel must be connected to the M8057A.
• Clk Out1 and Clk Out 2
These are the Clk Out ports of channel 1 and 2, respectively. It can
generate either a Clean Clk or all timing impairments like Data Out.
•Ref Clock In
The Ref Clk In input can be used as reference frequency or as external
system frequency directly for the instrument. An external provided
signal can be measured at that input. This input is tightly involved in the
system frequency generation.
•Ref Clock Out
The Ref Clk Out is used to provide a 10 MHz or 100 MHz reference clock
to the DUT or other test equipment.
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