Invention Grant
- Patent Title: Phase noise reduction techniques for voltage-controlled oscillators (VCOs)
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Application No.: US15638183Application Date: 2017-06-29
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Publication No.: US10608583B2Publication Date: 2020-03-31
- Inventor: Mazhareddin Taghivand , Alireza Khalili , Mohammad Emadi , Yashar Rajavi
- Applicant: QUALCOMM Incorporated
- Applicant Address: US CA San Diego
- Assignee: QUALCOMM Incorporated
- Current Assignee: QUALCOMM Incorporated
- Current Assignee Address: US CA San Diego
- Agency: Patterson & Sheridan, L.L.P. Qualcomm
- Main IPC: H03B1/04
- IPC: H03B1/04 ; H03B5/12 ; H03B27/00

Abstract:
Certain aspects of the present disclosure provide methods and apparatus for reducing phase noise in voltage-controlled oscillators (VCOs). One example VCO generally includes a first resonant circuit comprising an inductor and a first variable capacitive element coupled in parallel with the inductor; and a second variable capacitive element coupled to a center tap of the inductor and further coupled to a reference voltage, wherein the center tap of the inductor is further coupled to a voltage source.
Public/Granted literature
- US20180076765A1 PHASE NOISE REDUCTION TECHNIQUES FOR VOLTAGE-CONTROLLED OSCILLATORS (VCOs) Public/Granted day:2018-03-15
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