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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 |
| 7619452 |
Mutual charge cancelling sample-reset loop filter for phase locked loops |
Nov. 17, 2009 |
| 7616035 |
Charge pump for PLL/DLL |
Nov. 10, 2009 |
| 7605621 |
Oscillating apparatus |
Oct. 20, 2009 |
| 7602386 |
Reference clock signal generation circuit, power supply circuit, driver circuit, and electro-optical device |
Oct. 13, 2009 |
| 7586347 |
Clock generator with self-bias bandwidth control |
Sep. 8, 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 |
| 7573338 |
Quadrature voltage controlled oscillator with automated phase control |
Aug. 11, 2009 |
| 7570105 |
Variable current charge pump with modular switch circuit |
Aug. 4, 2009 |
| 7557625 |
Phase locked loop charge pump reference current bootstrapping |
Jul. 7, 2009 |
| 7555073 |
Automatic frequency control loop circuit |
Jun. 30, 2009 |
| 7545187 |
PLL circuit and wireless device |
Jun. 9, 2009 |
| 7545188 |
Multiphase clock generator |
Jun. 9, 2009 |
| 7535977 |
Sigma-delta based phase lock loop |
May. 19, 2009 |
| 7518421 |
System and method for providing a kick back compensated charge pump with kicker capacitor |
Apr. 14, 2009 |
| 7504892 |
Charge-pump for phase-locked loop |
Mar. 17, 2009 |
| 7498856 |
Fractional-N frequency synthesizer |
Mar. 3, 2009 |
| 7495485 |
Controllable current source for a phase locked loop |
Feb. 24, 2009 |
| 7492850 |
Phase locked loop apparatus with adjustable phase shift |
Feb. 17, 2009 |
| 7477083 |
DLL circuit feeding back ZQ calibration result, and semiconductor device incorporating the same |
Jan. 13, 2009 |
| 7477087 |
Switch-capacitor techniques for level-shifting |
Jan. 13, 2009 |
| 7471126 |
Phase locked loop utilizing frequency folding |
Dec. 30, 2008 |
| 7466173 |
Radio transceiver having a phase-locked loop circuit |
Dec. 16, 2008 |
| 7459964 |
Switched capacitor filter and feedback system |
Dec. 2, 2008 |
| 7449929 |
Automatic bias adjustment for phase-locked loop charge pump |
Nov. 11, 2008 |
| 7449928 |
Semiconductor device |
Nov. 11, 2008 |
| 7446594 |
Booster circuit including an oscillator |
Nov. 4, 2008 |
| 7446595 |
Charge pump circuit with power management |
Nov. 4, 2008 |
| 7447106 |
Delay stage-interweaved analog DLL/PLL |
Nov. 4, 2008 |
| 7439784 |
Charge pump for reducing current mismatch |
Oct. 21, 2008 |
| 7436920 |
Burst mode receiver based on charge pump PLL with idle-time loop stabilizer |
Oct. 14, 2008 |
| 7428407 |
Amplitude modulator, in particular for mobile radio, and a method for modulation of a signal |
Sep. 23, 2008 |
| 7428169 |
Nonvolatile semiconductor memory device and voltage generating circuit for the same |
Sep. 23, 2008 |
| 7424629 |
Data controlled power supply apparatus |
Sep. 9, 2008 |
| 7417491 |
Constant current output charge pump |
Aug. 26, 2008 |
| 7418071 |
Method and apparatus for generating a phase dependent control signal |
Aug. 26, 2008 |
| 7408391 |
Charge pump for PLL/DLL |
Aug. 5, 2008 |
| 7409027 |
System and method for recovering a clock using a reduced rate linear phase detector and voltage controlled oscillator |
Aug. 5, 2008 |
| 7397882 |
Digital phase locked circuit capable of dealing with input clock signal provided in burst fashion |
Jul. 8, 2008 |
| 7385429 |
Charge pump with reduced current mismatch |
Jun. 10, 2008 |
| 7365582 |
Bootstrapped charge pump driver in a phase-lock loop |
Apr. 29, 2008 |
| 7355463 |
Loop filter integration in phase-locked loops |
Apr. 8, 2008 |
| 7336110 |
Differential amplitude controlled sawtooth generator |
Feb. 26, 2008 |
| 7330058 |
Clock and data recovery circuit and method thereof |
Feb. 12, 2008 |
| 7323914 |
Charge pump circuit |
Jan. 29, 2008 |
| 7317345 |
Anti-gate leakage programmable capacitor |
Jan. 8, 2008 |
| 7307460 |
Method and apparatus for capacitance multiplication within a phase locked loop |
Dec. 11, 2007 |
| 7298190 |
Phase locked loop having enhanced locking characteristics |
Nov. 20, 2007 |
| 7295198 |
Voltage booster circuit, power supply circuit, and liquid crystal driver |
Nov. 13, 2007 |
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