State why impedance matching(tuning) is important.

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25. State why impedance matching(tuning) is important.

Impedance matching or tuning is important for the following reasons:

(i)Maximum power is delivered when the load is matched to the line (assuming the generator is matched), and power loss in the feed line is minimized.

(ii)Impedance matching sensitive receiver components (antenna, low-noise amplifier, etc.) may improve the signal-to-noise ratio of the system.

(iii) Impedance matching in a power distribution network (such as an antenna array feed network) may reduce amplitude and phase errors.

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