Seiko epson corporation (20250007461). OSCILLATOR CIRCUIT
OSCILLATOR CIRCUIT
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OSCILLATOR CIRCUIT
This abstract first appeared for US patent application 20250007461 titled 'OSCILLATOR CIRCUIT
Original Abstract Submitted
an oscillator circuit includes: an inverter; a crystal oscillator coupled in parallel to the inverter; a first load capacitor coupled to an input portion of the crystal oscillator; a second load capacitor coupled to an output portion of the crystal oscillator; and a band stop filter coupled in parallel to the inverter and having a rejection band including a resonant frequency of the crystal oscillator. also, the band stop filter is a twin-t notch filter.