TH12683EX - The use of the first center frequency of 43.5 MHz or less on the FM radio in the tuner of the television. - Google Patents

Abstract

Television receiver Including a single tuner for tuning television channels And FM station used to spread The tuner was made to do. Work with the specified gain Which is adjusted in the modulation of the FM system The tuner acts as a sector converter. The first part of the modulated FM receiver, where the mixer of the FM radio integrated circuit. Serving as a second sector converter, it operates at a specific first IF frequency and not a specific FM receiver. The receiver will display on the screen the number of channels of the FM system tuned in automatically at a certain frequency.

Claims (1)

1. TV receiver With a tuner way For working in the first mod To receive the RF signal of the television, such tuner method Will select a specific TV RF signal from a number of TV RF signal in Response to control signals A control path for producing such a control signal to allow that tuner path to select that particular RF signal. The aforementioned tuner method also works in the second mod as a converter First sector frequency For the broadcast FM radio receiver with exponential conversion to