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BROADBAND PHASE LOCKED LOOP FOR MULTI-BAND MILLIMETER-WAVE 5G COMMUNICATION
BROADBAND PHASE LOCKED LOOP FOR MULTI-BAND MILLIMETER-WAVE 5G COMMUNICATION
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机译:适用于多频带毫米波5G通信的宽带宽带锁相环
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摘要
According to one embodiment, a phase locked loop (PLL) circuit includes a first voltage controlled oscillator (VCO) to generate a first signal having a first frequency and a second VCO to generate a second signal having a second frequency. The PLL circuit includes a multiplexer coupled to the first VCO, the second VCO, and a feedback loop. The PLL circuit includes a control logic to select either the first VCO or the second VCO using the multiplexer to feed back a signal using the feedback loop, and a phase frequency detector coupled to the first VCO, the second VCO, and the feedback loop, where the phase frequency detector is configured to receive a reference signal and the feedback signal to tracking a frequency and a phase of the first or the second generated signal using the reference signal and the feedback signal.
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