Phase Jitter Measurement - Promax AE-166 User Manual

Operation: Setup
►
Set the center frequency to the desired FM/AM carrier frequency.
Set the span to zero.
Set the Preamp to Auto.
Connect an antenna to the RF input.
Connection
►
Connect headphones or a speaker to the phone output port.
Operation
►
Press
the ear phone out on.
Press Volume[F2] to set the volume output:
Volume: 0 ~ 15, default 7
Press Digital Gain Control[F3] to change the gain:
Gain: 0 ~ 18 dB, 6 dB step
Press Demod Type[F4] to choose AM or FM demodulation.
4.1.9

Phase Jitter Measurement

Description
►
Phase Jitter refers to the amount of phase fluctuation and can be used to
evaluate stability of a signal in the time domain.
Parameters
►

Start Offset: The start frequency with respect to the center frequency.

Stop Offset: The stop frequency with respect to the center frequency.
Measurement ítems
►

Carrier Power: dBm

Jitter in phase: rad

Jitter in time: ns
103
> Demod[F2] > Sound[F3] > Ear Phone Out[F1] and turn
February 2017