A 20 MHz crystal is used to produce a 200 MHz oscillator output frequency. This is called operation.
A) resonant mode
B) overtone mode
C) harmonic mode
D) Pierce
Chapter 18 Oscillators Answer Key

Question

Quizplus · Accepted Answer

When a crystal is used at a frequency that is an overtone (multiple) of its fundamental frequency, it is operating in the overtone mode. In this case, the 200 MHz output is an overtone of the 20 MHz fundamental frequency of the crystal.

A 20 MHz Crystal Is Used to Produce a 200