Question

____ is used to optimize voltage standing wave ratio.

a.

Antenna-matching unit

b.

Radiating element

c.

Antenna tuner

d.

Power amplifier

Posted under Cognitive Radio

Answer: (c).Antenna tuner Explanation:Antennas, operating over a wide frequency range, use antenna tuner to optimize the voltage standing wave ratio. It also results in improvement of radiation efficiency.

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Q. ____ is used to optimize voltage standing wave ratio.

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