ISRO Electronics & Communication (ECE) 2012 - Question 60

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Topic: Electronic Devices

Which of the following devices cannot be used as microwave oscillator

  • A. IMPATT diode
  • B. PN Junction diode
  • C. TRPATT diode
  • D. BARRITT diode

Answer: B. PN Junction diode

Explanation: P-N junction diode works as a rectifier.

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