SUPPRESSED CARRIER MODULATOR


Posted on Feb 5, 2014

Mullard TCA240 dual balanced modulator-demodulator provides suppression of carrier frequency at output, as required for SSB or DSB operation of transmitter. Bias resistor R7 is adjusted for minimum carrier output to correct imbalance. Can be used as conventional AM modulator if biasing of circuit sections is deliberately unbalanced. -`Applications


SUPPRESSED CARRIER MODULATOR
Click here to download the full size of the above Circuit.

of the TCA240, " Mullard, London, 1975, Technical Note 18, TP1489.




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