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SUPPRESSED_CARRIER_MODULATOR

2017-01-17 16:43  
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SUPPRESSED_CARRIER_MODULATOR
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 of the TCA240, Mullard, London, 1975, Technical Note 18, TP1489.