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Voltage-controlled oscillator circuit including level shifter, and semiconductor device including voltage-controlled oscillator circuit
Voltage-controlled oscillator circuit including level shifter, and semiconductor device including voltage-controlled oscillator circuit
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机译:包括电平转换器的压控振荡器电路和包括压控振荡器电路的半导体器件
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摘要
A voltage-controlled oscillator (VCO) circuit includes a level shifter, and a semiconductor device includes the VCO circuit. The VCO circuit includes an input voltage receiver, a current mirror, and a frequency oscillator. The input voltage receiver receives a first voltage input to the VCO circuit so as to generate a first current. The current mirror copies the first current so as to generate a second current. The frequency oscillator oscillates in response to the second current. The input voltage receiver includes a level shifter and a first current generator. The level shifter shifts a voltage level of the first voltage to a voltage level of a second voltage. The first current generator generates the first current corresponding to the second voltage
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