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Communication SystemsReceivers

A receiver tuned to 1 MHz with IF=455 kHz and high-side injection has an image frequency of?

  • A1.455 MHz
  • B1.910 MHz
  • C2.000 MHz
  • D2.455 MHz
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Correct Answer: B. 1.910 MHz
Explanation: fimage=fRF+2fIF=1.000+0.910=1.910 MHz.
Reference: Standard communication systems: receivers
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