Keysight Technologies N9340B, User Manual

Page: 83 / 172

Making Measurements
ASK/FSK Demodulation Analysis
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4 Press {Symbol Rate} > [10] > {MHz} to set the symbol
rate.
5 Press {Filter Setup} > {Ref Filter} > {Nyquist} >
{Return} to set the filter type.
6 Set the attenuation state to Auto (default):
Press {More 1 of 3} > {More 2 of 3} > {Attenuation
Auto} > {More 3 of 3}
7 Press {Y Scale} > {Auto Scale} > {Return} to set the Y
scale.
8 Setting the ASK depth limit and turn on the limit
function:
Press {More 1 of 3} > {Limits} > {ASK Depth UP} > [71]
> {%} > {ASK Depth Low} > [70] > {%} > {Limits on} >
{Return}
9 Press {More} > {More} > {View} > {Eye Diagram} to
view the eye diagram.
The figure below indicates the ASK EYE Diagram as a
measurement result.
Figure 4-26 ASK Eye Diagram