E7F05 (B)
Which of the following circuits can be combined to produce a 100 kHz fundamental signal with harmonics at 100 kHz intervals?
A. A 10 MHz oscillator and a flip-flop
B. A 1 MHz oscillator and a decade counter
C. A 1 MHz oscillator and a flip-flop
D. A 100 kHz oscillator and a phase detector
