Piezoelectric oscillator having reduced radiation of higher harmonics

A piezoelectric oscillator comprising a piezoelectric vibrator, a semiconductor device provided therein with an oscillation circuit for making said piezoelectric vibrator oscillate, and a filter for cutting components in a predetermined frequency band or higher harmonic components of an oscillation signal outputted from said semiconductor device, wherein said filter is provided in an electric source line for supplying a driving voltage to said semiconductor device, and said piezoelectric vibrator, said semiconductor device and said filter are packed in one package.

A piezoelectric oscillator comprising a piezoelectric vibrator, a semiconductor device provided therein with an oscillation circuit for making said piezoelectric vibrator oscillate, and a filter for cutting components in a predetermined frequency band or higher harmonic components of an oscillation signal outputted from said semiconductor device, and said piezoelectric vibrator, said semiconductor device, and said filter being packed in one package, said semiconductor device and said filter being contained in an IC chip.

A piezoelectric oscillator comprising a piezoelectric vibrator, and a semiconductor device having a function of making said piezoelectric vibrator oscillate, said semiconductor device being provided thereon with at least one oscillation circuit and at least one output buffer connected to the output of said oscillation circuit and further provided therein with a voltage regulator for applying a first voltage to said oscillator circuit and a second voltage lower than the first voltage to said output buffer, wherein said piezoelectric vibrator and said semiconductor device are packed in one package.

An electronic part comprising, a piezoelectric vibrator, a semiconductor device provided therein with an oscillator circuit for making said piezoelectric vibrator oscillate, and a filter for cutting components in a predetermined frequency band or higher harmonic components of an oscillation signal outputted from said semiconductor device, wherein said piezoelectric vibrator, said semiconductor device and said filter are packed in one package, and said semiconductor device and said filter are contained in an IC chip.

An electronic apparatus comprising a piezoelectric oscillator incorporated therein, said piezoelectric oscillator comprising a piezoelectric vibrator, a semiconductor device provided therein with an oscillation circuit for making said piezoelectric vibrator oscillate, and a filter for cutting components in a predetermined frequency band or higher harmonic components of an oscillation signal outputted from said semiconductor device, wherein said piezoelectric vibrator, said semiconductor device and said filter are packed in one package, and said semiconductor device and said filter being contained in an IC chip.