Computer · Communication Systems
A superheterodyne receiver is designed to receive signals with carrier frequencies between 4 and 6 MHz with transmitted bandwidths of 100 kHz each. Its IF frequency is 850 kHz. What range of local oscillator frequencies is required using high-side injection?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1fLO ≥ 6.85 MHz
- 24.85 MHz ≤ fLO ≤ 6.85 MHz✓
- 3fLO ≤ 4.85 MHz
- 4fLO ≥ 10.85 MHz
Correct answer
4.85 MHz ≤ fLO ≤ 6.85 MHz
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