Electronics and Communication Engineering - Communication Systems - Discussion
Discussion Forum : Communication Systems - Section 20 (Q.No. 43)
43.
If in a radio receiver, RF signal has a frequency of 800 kHz and local oscillator that of 1000 kHz, then at the output of the mixer, the frequencies found would be __________ kHz.
Discussion:
3 comments Page 1 of 1.
Ahir said:
7 years ago
Here, IF = RF + -FLO.
Shadan said:
7 years ago
Mixed produces a frequency equal to the difference between local oscillator and radio wave frequency.
So, If = Oscillator frequency - Radio Frequency,
= 1000 Khz-800 Khz,
=200 Khz.
So, If = Oscillator frequency - Radio Frequency,
= 1000 Khz-800 Khz,
=200 Khz.
Mukund said:
9 years ago
The answer should be B.
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