ISRO Electronics & Communication (ECE) 2006 - Question 44

All ISRO Electronics & Communication (ECE) papers | ISRO Electronics & Communication (ECE) 2006

Topic: Microwave Engineering

Duplexer is made of

  • A. Only receive filter
  • B. Only transmit filter
  • C. Only circulator
  • D. Both receive filter and transmit filter

Answer: D. Both receive filter and transmit filter

Explanation: A duplexer is a device that allows a transmitter and a receiver to share the same antenna while operating at different frequencies. It generally consists of both a transmit filter and a receive filter to ensure proper isolation.

| | All questions of ISRO Electronics & Communication (ECE) 2006