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Full Wave Rectifier

A super heter...

Question

A super heterodyne receiver is designed to receive transmitted signals between 5 and $10 M H z$ . The tuning range of the local oscillate for IF frequency $600 k H z$ for high-side tuning would be

A

4.6 t o 9.6 M H z

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B

5.6 t o 10.6 M H z

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C

4.6 t o 10.6 M H z

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D

5.6 t o 9.6 M H z

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Solution

The correct option is A $5.6 t o 10.6 M H z$
For high-side tuning
$f_{L O} = f_{m} + f_{I F}$ , $P_{I F} = 600 k H z = 0.6 M H z$
$⟹ f_{L O L} = 5 + 0.6 = 5.6 M H z$
$f_{L O U} = 10 + 0.6 = 10.6 M H z$

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