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System and method for increasing radio frequency (RF) microwave inductor-capacitor (LC) oscillator frequency tuning range
System and method for increasing radio frequency (RF) microwave inductor-capacitor (LC) oscillator frequency tuning range
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机译:用于增加射频(RF)微波电感电容(LC)振荡器频率调谐范围的系统和方法
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摘要
System and method for increasing the frequency tuning range of a RF/microwave LC oscillator. A preferred embodiment comprises a voltage controlled oscillator (VCO) configured to generate an output signal at a frequency that is dependent upon a magnitude of an input voltage level and an effective inductance of an inductive load and a variable inductor coupled to the VCO. The variable inductor comprises a primary inductor coupled to the VCO to produce a magnetic field based upon a current flowing through the primary inductor and a secondary inductor magnetically coupled to the primary inductor, the secondary inductor to affect the magnitude of the effective inductance of the primary inductor.
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