A 15.4 MHz crystal generates the _________ resonance frequency?
A. Hydrogen
B. Deuterium
C. Tritium
D. Helium
Answer:B
A 15.4 MHz crystal generates the _________ resonance frequency?
A. Hydrogen B. Deuterium C. Tritium D. Helium
Explanation: A 15.4 MHz crystal generates the deuterium resonance frequency. This resonance signal is used to lock the magnetic signal to clock frequency.