ISRO Electronics & Communication (ECE) 2007 - Question 41

All ISRO Electronics & Communication (ECE) papers | ISRO Electronics & Communication (ECE) 2007

The signal received from a circularly polarized signal by an antenna with linear polarization compared to the signal received by same circularly polarized antenna will be

  • A. Maximum
  • B. Zero
  • C. 3 dB less
  • D. 3 dB more

Answer: C. 3 dB less

Explanation: When receiving a circularly polarized wave with a linearly polarized antenna, there is a polarization mismatch loss of 0.5, or 3 dB.

| | All questions of ISRO Electronics & Communication (ECE) 2007