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Class Information
Number: 327/157
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Signal converting, shaping, or generating > Synchronizing > 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 |
| 7622946 |
Design structure for an automatic driver/transmission line/receiver impedance matching circuitry |
Nov. 24, 2009 |
| 7619452 |
Mutual charge cancelling sample-reset loop filter for phase locked loops |
Nov. 17, 2009 |
| 7616065 |
System and method for charge-pump with phase-frequency detection capability |
Nov. 10, 2009 |
| 7616071 |
PLL circuit and semiconductor device provided with PLL circuit |
Nov. 10, 2009 |
| 7616069 |
Method and system for fast PLL close-loop settling after open-loop VCO calibration |
Nov. 10, 2009 |
| 7616035 |
Charge pump for PLL/DLL |
Nov. 10, 2009 |
| 7612412 |
Semiconductor device and boost circuit |
Nov. 3, 2009 |
| 7605663 |
Method and apparatus for stabilizing output frequency of PLL (phase lock loop) and phase lock loop thereof |
Oct. 20, 2009 |
| 7605641 |
Apparatus comprising a charge pump and LCD driver comprising such an apparatus |
Oct. 20, 2009 |
| 7605621 |
Oscillating apparatus |
Oct. 20, 2009 |
| 7602876 |
Method and apparatus for generating a phase dependent control signal |
Oct. 13, 2009 |
| 7599677 |
Charge pump circuit having switches |
Oct. 6, 2009 |
| 7586347 |
Clock generator with self-bias bandwidth control |
Sep. 8, 2009 |
| 7583116 |
High output resistance, wide swing charge pump |
Sep. 1, 2009 |
| 7579888 |
Frequency synthesizer and charge pump circuit used therein |
Aug. 25, 2009 |
| 7579901 |
Charge pump circuit and electronic circuit provided therewith, and method for driving charge pump circuit |
Aug. 25, 2009 |
| 7576589 |
Boost voltage generating circuit including additional pump circuit and boost voltage generating method thereof |
Aug. 18, 2009 |
| 7576577 |
Device for static phase error compensation in a phase-lock loop system with a symmetrical structure |
Aug. 18, 2009 |
| 7576576 |
Switchable PLL circuit |
Aug. 18, 2009 |
| 7576578 |
Frequency synthesizer and charge pump circuit used for the same |
Aug. 18, 2009 |
| 7570105 |
Variable current charge pump with modular switch circuit |
Aug. 4, 2009 |
| 7567643 |
Phase lock loop device |
Jul. 28, 2009 |
| 7567106 |
Duty cycle correction circuit, clock generation circuits, semiconductor devices using the same, and method for generating clock signal |
Jul. 28, 2009 |
| 7557625 |
Phase locked loop charge pump reference current bootstrapping |
Jul. 7, 2009 |
| 7554412 |
Phase-locked loop circuit having correction for active filter offset |
Jun. 30, 2009 |
| 7555073 |
Automatic frequency control loop circuit |
Jun. 30, 2009 |
| 7551037 |
PLL circuit having reduced pull-in time |
Jun. 23, 2009 |
| 7547956 |
Thick oxide P-gate NMOS capacitor for use in a low-pass filter of a circuit and method of making same |
Jun. 16, 2009 |
| 7548124 |
System and method for self calibrating voltage-controlled oscillator |
Jun. 16, 2009 |
| 7545187 |
PLL circuit and wireless device |
Jun. 9, 2009 |
| 7545188 |
Multiphase clock generator |
Jun. 9, 2009 |
| 7541881 |
Power supply noise insensitive charge pump, loop filter, VCO control, and VCO |
Jun. 2, 2009 |
| 7538622 |
Multiple reference frequency fractional-N PLL (phase locked loop) |
May. 26, 2009 |
| 7538625 |
Method and enhanced phase locked loop circuits for implementing effective testing |
May. 26, 2009 |
| 7535977 |
Sigma-delta based phase lock loop |
May. 19, 2009 |
| 7535272 |
Zero-delay buffer with common-mode equalizer for input and feedback differential clocks into a phase-locked loop (PLL) |
May. 19, 2009 |
| 7518421 |
System and method for providing a kick back compensated charge pump with kicker capacitor |
Apr. 14, 2009 |
| 7518420 |
Delay circuit limit detection circuit and method |
Apr. 14, 2009 |
| 7514985 |
Fast turn on and off speed in PLL cascoded charge pump |
Apr. 7, 2009 |
| 7514972 |
Differential charge pump with open loop common mode |
Apr. 7, 2009 |
| 7511580 |
Charge pump circuit with dynamic current biasing for phase locked loop |
Mar. 31, 2009 |
| 7511543 |
Automatic static phase error and jitter compensation in PLL circuits |
Mar. 31, 2009 |
| 7511581 |
Wide-band multimode frequency synthesizer and variable frequency divider |
Mar. 31, 2009 |
| 7508253 |
Charge pump device and operating method thereof |
Mar. 24, 2009 |
| 7504892 |
Charge-pump for phase-locked loop |
Mar. 17, 2009 |
| 7504893 |
System and method for reducing transient responses in a phase lock loop with variable oscillator gain |
Mar. 17, 2009 |
| 7501902 |
Phase-locked loop circuit and data reproduction apparatus |
Mar. 10, 2009 |
| 7498856 |
Fractional-N frequency synthesizer |
Mar. 3, 2009 |
| 7498888 |
Method and arrangement for interference compensation in a voltage-controlled frequency generator |
Mar. 3, 2009 |
| 7495485 |
Controllable current source for a phase locked loop |
Feb. 24, 2009 |
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