Patent ID: 7196738

Claim:
A tuner integrated circuit comprising: a mixer circuit for converting an input television signal into an intermediate frequency signal; an intermediate frequency amplifier circuit coupled with the mixer circuit and configured for amplifying the intermediate frequency signal; an oscillation circuit coupled with the mixer circuit and configured for supplying a local oscillation signal to said mixer circuit; a phase-locked loop circuit coupled with the oscillation circuit and configured for outputting a tuning voltage so as to control a frequency of the local oscillation signal by the tuning voltage; a reference oscillation circuit coupled with the phase-locked loop circuit and configured for supplying a reference oscillation signal to said phase-locked loop circuit; and a plurality of terminals provided for two opposing sides of said tuner integrated circuit and connected to said mixer circuit, said intermediate frequency amplifier circuit, said oscillation circuit, said phase-locked loop circuit, and said reference oscillation circuit, wherein, said mixer circuit, said intermediate frequency amplifier circuit, said oscillation circuit, said phase-locked loop circuit, and said reference oscillation circuit are disposed within said tuner integrated circuit, and, wherein said plurality of terminals, includes at least: an oscillator connecting terminal for connecting an externally provided oscillator to said reference oscillation circuit, a power supply terminal through which a power supply voltage is supplied, and a ground terminal connected to a ground; wherein the power supply terminal and the ground terminal are disposed adjacent to the oscillator connecting terminal such that the oscillator connecting terminal is sandwiched between the power supply terminal and the ground terminal.