(GROL) General Radiotelephone Operator License Practice Test
GROL Filters and Frequency Control
What is the primary function of a low-pass filter in a radio transmitter?
Select your answer
A
To pass all frequencies equally
B
To pass frequencies below a cutoff frequency while attenuating higher frequencies
C
To pass only a narrow band of frequencies
D
To pass frequencies above a cutoff frequency only
Hint