Q1. An FM transmitter has the block diagram shown in Figure Q1. The audio frequency response is constant over the 20 Hz to 20 kHz audio band. The FM output signal is to have a carrier frequency of 90.7 MHz and a peak deviation of 75 kHz. (a) Find the bandwidth and centre frequency required for the bandpass filter. C/DDE* FM exciter fe= 5.00 MHz Oscillator fo= ? Bandpass filter Frequency multiplier Class C amplifier output

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Q1. An FM transmitter has the block diagram shown in Figure Q1. The audio frequency
response is constant over the 20 Hz to 20 kHz audio band. The FM output signal is to
have a carrier frequency of 90.7 MHz and a peak deviation of 75 kHz.
(a) Find the bandwidth and centre frequency required for the bandpass filter.
FM exciter
fc = 5.00 MHz
Oscillator
fo= ?
Bandpass
filter
Figure Q1.
x8
Frequency
multiplier
Class C
amplifier
FM
output
Transcribed Image Text:Q1. An FM transmitter has the block diagram shown in Figure Q1. The audio frequency response is constant over the 20 Hz to 20 kHz audio band. The FM output signal is to have a carrier frequency of 90.7 MHz and a peak deviation of 75 kHz. (a) Find the bandwidth and centre frequency required for the bandpass filter. FM exciter fc = 5.00 MHz Oscillator fo= ? Bandpass filter Figure Q1. x8 Frequency multiplier Class C amplifier FM output
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