Method and apparatus for a phase locked loop circuit

A phase locked loop (PLL) circuit includes a voltage controlled oscillator (VCO), a first loop circuit, and a second loop circuit. The first loop circuit includes a first loop filter configured to receive a first signal based on a feedback signal from the VCO and provide a first VCO frequency contro...

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Bibliographic Details
Main Authors FRANS, YOHAN, UPADHYAYA, PARAG, CHANG, KUN-YUNG, RAJ, MAYANK, TURKER MELEK, DIDEM Z
Format Patent
LanguageChinese
English
Published 01.12.2020
Subjects
AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
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Summary:A phase locked loop (PLL) circuit includes a voltage controlled oscillator (VCO), a first loop circuit, and a second loop circuit. The first loop circuit includes a first loop filter configured to receive a first signal based on a feedback signal from the VCO and provide a first VCO frequency control signal to the VCO. The second loop circuit includes a compensation circuit configured to receive a reference signal and the first signal, and provide a second VCO frequency control signal to the VCO.
Bibliography:Application Number: TW20209107104