Chapter 9 Communications Circuits 9.9.6 Phase jitter Phase jitter is a change in the phase of the signal induced by the carrier signal 9.9.eCho Echo is the reversal of the signal, bouncing it back to the sender. Echo suppressor www.gxmu.edu.cn9.9.6 Phase Jitter Phase jitter is a change in the phase of the signal induced by the carrier signal. 9.9.7 Echo Echo is the reversal of the signal,bouncing it back to the sender. Echo suppressor www.gxmu.edu.cn Chapter 9 Communications Circuits