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16
Reference Graphs and Tables
124: FM Dly equalizer
This special function allows you to turn off FM delay equalizer circuitry. When
[ON] (The preset condition), 30 µsec of group delay is added to the FM
modulated signal to get better FM frequency response.
You may want to turn [OFF] the FM Delay Equalizer circuitry when the signal
generator is used as the VCO in a phase-locked loop application to reduce
phase shift, of when you want to extend the FM bandwidth to
200 kHz. When [OFF], FM Indicator Accuracy is worse for rates of 1-5 kHz and
better beyond 30 kHz. Refer to the 8643A/8644B User's Guide for specific
details.
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Agilent E5505A User's Guide
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