BROADCASTING SIGNAL LEVEL ADJUSTMENT DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a broadcasting signal level adjustment device for improving the accuracy of level adjustment by adjusting each channel in adjusting the level of digital signals of a plurality of channels. SOLUTION: The broadcasting signal level adjustment device 1 for adjusting the signal level of the digital signals includes: a reception antenna 2 for receiving the digital signals; a plurality of PFIR filters for demultiplexing only the digital signals of one channel different from each other in the plurality of PFIR filters; a plurality of AGCs 11 for adjusting the signal level of the digital signals demultiplexed in the PFIR filters; a multiplexer 5 for multiplexing the digital signals; and a transmission antenna 7 for transmitting the digital signals multiplexed in the multiplexer 5. COPYRIGHT: (C)2011,JPO&INPIT