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VOLTAGE CONTROLLED OSCILLATOR, RECEPTION MODULE, PORTABLE DEVICE, ONE-SEGMENT BROADCAST RECEIVER, MOBILE SATELLITE BROADCAST RECEIVING APPARATUS, AND TERRESTRIAL DIGITAL BROADCAST RECEIVING APPARATUS
VOLTAGE CONTROLLED OSCILLATOR, RECEPTION MODULE, PORTABLE DEVICE, ONE-SEGMENT BROADCAST RECEIVER, MOBILE SATELLITE BROADCAST RECEIVING APPARATUS, AND TERRESTRIAL DIGITAL BROADCAST RECEIVING APPARATUS
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机译:电压控制振荡器,接收模块,便携式设备,单段广播接收器,卫星移动广播接收器和地面数字广播接收器
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摘要
PROBLEM TO BE SOLVED: To provide a voltage controlled oscillator capable of expanding a frequency variable range while stabilizing oscillation.;SOLUTION: A voltage controlled oscillator 1a has a capacitor C2 provided between the collector and the emitter of a transistor Q1 for oscillation and has a coil L1 coupled to the base of the transistor Q1 for oscillation, and a variable-capacitance diode D2 arranged in parallel with the coil L1 with respect to the base of the transistor Q1 for oscillation is provided between the base and the emitter of the transistor Q1 for oscillation.;COPYRIGHT: (C)2007,JPO&INPIT
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