FULL CHANNEL TV MODULATOR FOR ALL TV SYSTEMS

摘要

This paper describes a full channel TV modulator for all TV systems, which has been developed successfully for the first time in China. It employs advanced technique such as PLL frequency synthesizer with microwave integrated circuit, and wideband microstrip VCO and digital-analog combined integrated circuits. The key technique of the modulator is settled successfully. All the specifications of the modulator agree with Technical Standard of China, which is tested by authority of China.