Method and apparatus for applying phase shift to digital phase-locked loop circuit to adjust frequency of local oscillator signal used by down-conversion
US-12328126-B2 · Jun 10, 2025 · US
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applying frequency modulation in the phase locked loop at components other than the divider, the voltage controlled oscillator or the reference clock
applying frequency modulation in the phase locked loop at components other than the divider, the voltage controlled oscillator or the reference clock · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03C3/0975 |
| Official title | {applying frequency modulation in the phase locked loop at components other than the divider, the voltage controlled oscillator or the reference clock} |
| Display label | applying frequency modulation in the phase locked loop at components other than the divider, the voltage controlled oscillator or the reference clock |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Phase-locked loops (pll) including digitally controlled oscillator (dco) gain calibration circuits and related methods
US-2024267052-A1 · Aug 8, 2024 · US
Method and apparatus for applying phase shift to digital phase-locked loop circuit to adjust frequency of local oscillator signal used by down-conversion
US-2024204786-A1 · Jun 20, 2024 · US
Signal Generator
US-2021194430-A1 · Jun 24, 2021 · US
Resonator-based open-loop timing signal generation
US-10931233-B2 · Feb 23, 2021 · US
Resonator-based open-loop timing signal generation
US-2020313618-A1 · Oct 1, 2020 · US
Method for calibrating a frequency synthesiser using two-point FSK modulation
US-10003414-B2 · Jun 19, 2018 · US
PLL post divider phase continuity
US-9998129-B1 · Jun 12, 2018 · US
Transceiver using technique for improvement of phase noise and switching of phase lock loop (PLL)
US-9935666-B2 · Apr 3, 2018 · US
Clock signal generating apparatus, clock signal generating method, and medium
US-9742447-B2 · Aug 22, 2017 · US
Transceiver using technique for improvement of phase noise and switching of phase lock loop (pll)
US-2017207807-A1 · Jul 20, 2017 · US
Method for calibrating a frequency synthesiser using two-point fsk modulation
US-2017141857-A1 · May 18, 2017 · US
Transceiver using technique for improvement of phase noise and switching of phase lock loop (PLL)
US-9647609-B2 · May 9, 2017 · US
Phase locked loop having fractional VCO modulation
US-9484936-B2 · Nov 1, 2016 · US
Radio communication device and pll loop control method
US-2016269171-A1 · Sep 15, 2016 · US
Phase locked loop having fractional vco modulation
US-2016248430-A1 · Aug 25, 2016 · US
Arbitrary phase trajectory frequency synthesizer
US-9300307-B2 · Mar 29, 2016 · US
Circuit, method and mobile communication device
US-9008252-B2 · Apr 14, 2015 · US