# F.M., A.M. and S.S.B. transmitters

### Explanation of question 19

Both sidebands from the balanced modulator of an SSB transmitter are fed through a filter. The typical bandwidth of the filter will be

1. 2.5kHz
2. 5kHz
3. 2.5MHz
4. 5MHz

The answer is :- 1 The purpose of the filter is not only to remove one sideband but to limit the bandwidth of the accepted sideband to about 2.5 kHz.

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