INTEGRAL TUNER FOR RECEIVING SATELLITE BROADCASTING/GROUND WAVE BROADCASTING

摘要

PROBLEM TO BE SOLVED: To provide an integral tuner for receiving satellite broadcasting/ground wave broadcasting for reducing disturbance from a tuner circuit for receiving ground wave broadcasting to a tuner circuit for receiving satellite broadcasting.;SOLUTION: This integral tuner for receiving satellite broadcasting/ground wave broadcasting is provided with a tuner circuit 2A for satellite broadcasting reception and a tuner circuit 3 for ground wave broadcasting reception. Then, the tuner circuit 2A for receiving satellite broadcasting is provided with a filter circuit 15 for attenuating a signal whose frequency is lower than that of a satellite broadcasting receiving band and an orthogonal detection circuit 7 for directly entering the output of the filter circuit 15.;COPYRIGHT: (C)2006,JPO&NCIPI