TRANSMITTER HAVING TWO-CYCLE MODULATION Russian patent published in 1994 - IPC

FIELD: broadcasting transmitters. SUBSTANCE: transmitter has pulse generator 1 for pulse-duration modulation, two-cycle modulator 2 which has low-pass filter 3 and output modulation transformer 4, capacitor 5, valve final transmitter stage 6, choke 7, anode direct current power supply 8, switch amplifier 9, low-pass filter 10, subtracter 11, voltage scaling circuit 12, delay unit 13, adder 14, positive bias voltage source 15, preliminary high-frequency circuit 16. EFFECT: increased efficiency while level of non-linear distortions is still permissible. 2 dwg