The LO signal as shown could also be positioned above the VHF frequency.What would then be the local oscillator frequency and the center frequency of the unwanted output frequency signal? VHF input Mixer(100 MHz)10.7-MHzRF output(10.7 MHz)band-pass filterLO input(89.3 МНг)(a)io) A RFoutputVHFRejectedoutputinputLO10.7 MHz100 MHz189.3 MHz89.3 MHz(b)Figure 17.75 (a) Mixer block diagram and (b) spectrum in FM receiver application.

Circuit arrangement for the mixer operation in fig.1 Showing multiplication of the signals

Answered: VHF input Mixer (100 MHz) 10.7-MHz RF…

Introductory Circuit Analysis (13th Edition)

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ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

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The LO signal as shown could also be positioned above the VHF frequency.
What would then be the local oscillator frequency and the center frequency of the unwanted output frequency signal?

VHF input Mixer
(100 MHz)
10.7-MHz
RF output
(10.7 MHz)
band-pass filter
LO input
(89.3 МНг)
(a)
io) A RF
output
VHF
Rejected
output
input
LO
10.7 MHz
100 MHz
189.3 MHz
89.3 MHz
(b)
Figure 17.75 (a) Mixer block diagram and (b) spectrum in FM receiver application.

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