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Class Information
Number: 327/148
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Signal converting, shaping, or generating > Synchronizing > Using multiple clocks > With feedback > Phase lock loop > With charge pump
Description: Subject matter wherein a device which pumps elemental positive or negative electrical energy is included.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8085071 |
Phase-locked loop circuit and delay-locked loop circuit |
Dec. 27, 2011 |
| 8076962 |
Frequency synthesis system with self-calibrated loop stability and bandwidth |
Dec. 13, 2011 |
| 8063678 |
Charge pump for phase locked loop |
Nov. 22, 2011 |
| 8058923 |
Charge pump circuit and slice level control circuit |
Nov. 15, 2011 |
| 8054115 |
Phase-locked loop integrated circuits having dual feedback control |
Nov. 8, 2011 |
| 8054114 |
Fractional-N phase-locked loop |
Nov. 8, 2011 |
| 8049540 |
Calibration system and method for phase-locked loops |
Nov. 1, 2011 |
| 8049541 |
Charge pump for PLL/DLL |
Nov. 1, 2011 |
| 8040168 |
Charge pump circuit |
Oct. 18, 2011 |
| 8040167 |
Method and apparatus for charge leakage compensation for charge pump |
Oct. 18, 2011 |
| 8022740 |
Fast-response phase-locked loop charge-pump driven by low voltage input |
Sep. 20, 2011 |
| 8008956 |
Frequency synthesizer and high-speed automatic calibration device therefor |
Aug. 30, 2011 |
| 8009785 |
Method and system for implementing a PLL using high-voltage switches and regulators |
Aug. 30, 2011 |
| 8000430 |
Wide frequency range delay locked loop |
Aug. 16, 2011 |
| 7994830 |
Systems and methods for PLL linearity measurement, PLL output duty cycle measurement and duty cycle correction |
Aug. 9, 2011 |
| 7990192 |
Phase locked loop and method for charging phase locked loop |
Aug. 2, 2011 |
| 7982510 |
Self-calibration method for a frequency synthesizer using two point FSK modulation |
Jul. 19, 2011 |
| 7977984 |
High-speed charge pump circuits |
Jul. 12, 2011 |
| 7977985 |
Bias generator providing for low power, self-biased delay element and delay line |
Jul. 12, 2011 |
| 7970092 |
Phase comparator and regulation circuit |
Jun. 28, 2011 |
| 7965117 |
Charge pump for phase locked loop |
Jun. 21, 2011 |
| 7961016 |
Charge pump and charging/discharging method capable of reducing leakage current |
Jun. 14, 2011 |
| 7948286 |
Bandwidth control apparatus for phase lock loop and method thereof |
May. 24, 2011 |
| 7944257 |
Method and system of optimizing a control system using low voltage and high-speed switching |
May. 17, 2011 |
| 7936223 |
Low spur phase-locked loop architecture |
May. 3, 2011 |
| 7906998 |
Charge pumping circuit and clock generator |
Mar. 15, 2011 |
| 7902888 |
Charge pump with reduced current mismatch |
Mar. 8, 2011 |
| 7893737 |
Charge pump for PLL/DLL |
Feb. 22, 2011 |
| 7888980 |
Charge pump with low charge injection and low clock feed-through |
Feb. 15, 2011 |
| 7876136 |
Phase-locked-loop circuit having a pre-calibration function and method of pre-calibrating the same |
Jan. 25, 2011 |
| 7868669 |
Self-regulated charge pump with loop filter |
Jan. 11, 2011 |
| 7777541 |
Charge pump circuit and method for phase locked loop |
Aug. 17, 2010 |
| 7772895 |
Signal generating circuit having filtering circuit coupled between level shifters |
Aug. 10, 2010 |
| 7772897 |
Switched-capacitor charge pump device for generation of output direct-current voltage with wide amplitude range |
Aug. 10, 2010 |
| 7768326 |
Wide range operational charge pump circuit |
Aug. 3, 2010 |
| 7764092 |
Phase locked loop and phase locking method |
Jul. 27, 2010 |
| 7750695 |
Phase-locked loop circuitry using charge pumps with current mirror circuitry |
Jul. 6, 2010 |
| 7733136 |
Frequency synthesizer |
Jun. 8, 2010 |
| 7724862 |
Phase locked loop apparatus with adjustable phase shift |
May. 25, 2010 |
| 7719330 |
Phase locked loop device and control method thereof |
May. 18, 2010 |
| 7705641 |
Fast response phase-locked loop charge-pump driven by low voltage input |
Apr. 27, 2010 |
| 7701270 |
Structure for a high output resistance, wide swing charge pump |
Apr. 20, 2010 |
| 7692458 |
Wide dynamic range charge pump |
Apr. 6, 2010 |
| 7688122 |
Charge pump with cascode biasing |
Mar. 30, 2010 |
| 7667506 |
Customizable power-on reset circuit based on critical circuit counterparts |
Feb. 23, 2010 |
| 7663415 |
Phase locked loop (PLL) method and architecture |
Feb. 16, 2010 |
| 7663417 |
Phase-locked loop circuit |
Feb. 16, 2010 |
| 7642861 |
Locked loop system |
Jan. 5, 2010 |
| 7639089 |
Charge pump with reduced turn-off time and phase locked loop including the same |
Dec. 29, 2009 |
| 7636000 |
Phase locked loop without a charge pump and integrated circuit having the same |
Dec. 22, 2009 |
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