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    • 9. 发明申请
    • HIGH FREQUENCY OSCILLATOR CIRCUIT
    • 高频振荡器电路
    • US20150303871A1
    • 2015-10-22
    • US13569815
    • 2012-08-08
    • Keith A. JenkinsYu-ming Lin
    • Keith A. JenkinsYu-ming Lin
    • H03B5/12H01L29/16H01L29/786
    • H03B5/1228H01L29/1606H01L29/78684H03B5/1203H03B7/06H03B2200/0084
    • An oscillator circuit includes a field effect transistor and a resonant circuit having a first terminal connected to the field effect transistor. The resonant circuit includes an inductance and a capacitance and has a second terminal for connecting to a radiator. The field effect transistor includes a gate electrode coupled to a source of gate voltage, a source electrode, a drain electrode and a graphene channel disposed between the source electrode and the drain electrode and electrically connected thereto. The graphene channel is disposed relative to the gate electrode for being biased by the gate electrode into a negative differential resistance region of operation. The oscillator circuit is capable of generating a continuous wave THz frequency signal, and is further capable of being enabled and disabled by the bias applied to the gate electrode.
    • 振荡器电路包括场效应晶体管和具有连接到场效应晶体管的第一端子的谐振电路。 谐振电路包括电感和电容,并且具有用于连接到散热器的第二端子。 场效应晶体管包括耦合到栅极电压源的栅电极,源电极,漏电极和设置在源电极和漏电极之间并与其电连接的石墨烯通道。 石墨烯通道相对于栅电极设置,以便被栅电极偏压成负的差分电阻区域。 振荡器电路能够产生连续波THz频率信号,并且还能够通过施加到栅电极的偏置使能和禁止。