Patent ID: 7477327

Claim:
An analog/digital-compatible front-end module capable of receiving analog television broadcast and digital television broadcast, the analog/digital-compatible front-end module comprising a high frequency amplifier 9 for amplifying a high frequency signal received by an antenna 1 ; a frequency converter circuit for frequency-converting an output signal from the high frequency amplifier 9 to output an intermediate frequency signal; an analog demodulator 5 for receiving analog television broadcast; a digital demodulator 6 for receiving digital television broadcast; analog/digital switching means for selectively feeding an output signal from the frequency converter circuit to the analog demodulator 5 or to the digital demodulator 6 ; a filter for selecting and separating only a desired wave, the filter being provided between the frequency converter circuit and the analog/digital switching means; and gain control switching means for controlling gain of the high frequency amplifier 9 in accordance with a gain control signal obtained from the analog demodulator 5 during an analog broadcast reception, while controlling gain of the high frequency amplifier 9 in accordance with a gain control signal produced from the output signal from the frequency converter circuit without allowing the output signal to pass through the filter during a digital broadcast reception.