Moderate

In a radio receiver, we generally use .............. oscillator as a local oscillator

Correct answer: D. Hartley

  • A. Crystal
  • B. Wien-bridge
  • C. Phase-shift
  • D. Hartley

Explanation

A Hartley oscillator is commonly used as a receiver local oscillator because its tuned LC circuit provides convenient frequency adjustment over the required range. Crystal oscillators are more stable but usually offer much less tuning range.

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