Patent ID: 6900850

Claim:
A television tuner comprising: a first dual-gate FET, to a first gate of which a television signal of a VHF band is input; a second dual-gate FET, to a first gate of which a television signal of a UHF band and one of a high-level and low-level switching voltage are input; and a third single-gate FET, to a drain of which a voltage is applied via a pull-up resistor, wherein the first, second, and third FETs are formed into an integrated circuit within a same package end form an integrated circuit part, inside the integrated circuit part, a section between second gates of the first and second FETs is DC-connected, a section between a source of the third FET and a source of the first FET is DC-connected, a section between a gate of the third FET and the first gate of the second FET is DC-connected, a section between the drain of the third FET and the first gate of the first FET is connected by a first resistor, an AGC voltage is applied to the second gate of the first FET, and the source of the first FET is grounded.