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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 |
| 6522191 |
Synchronized voltage generator for amplifying voltage inputs |
Feb. 18, 2003 |
| 6512404 |
Low voltage charge pump for use in a phase locked loop |
Jan. 28, 2003 |
| 6496046 |
Method for increasing the control bandwidth of a frequency control circuit |
Dec. 17, 2002 |
| 6483358 |
Low power, charge injection compensated charge pump |
Nov. 19, 2002 |
| 6473485 |
Charge pump leakage current compensation systems and methods |
Oct. 29, 2002 |
| 6470060 |
Method and apparatus for generating a phase dependent control signal |
Oct. 22, 2002 |
| 6415007 |
Charge pump having two sub charge pumps which include a common charge/discharge terminal |
Jul. 2, 2002 |
| 6385265 |
Differential charge pump |
May. 7, 2002 |
| 6356160 |
Phase lock loop and automatic gain control circuitry for clock recovery |
Mar. 12, 2002 |
| 6356157 |
Phase locked loop circuit |
Mar. 12, 2002 |
| 6339350 |
Phase difference--current conversion circuit |
Jan. 15, 2002 |
| 6320921 |
Fast acquisition clock recovery using a directional frequency-phase detector |
Nov. 20, 2001 |
| 6292507 |
Method and apparatus for compensating a spread spectrum clock generator |
Sep. 18, 2001 |
| 6288583 |
PLL synthesizer circuit |
Sep. 11, 2001 |
| 6285725 |
Charge pump circuit |
Sep. 4, 2001 |
| 6285219 |
Dual mode phase and frequency detector |
Sep. 4, 2001 |
| 6278304 |
Look-ahead enabling charge pump in phase-locked loop circuits |
Aug. 21, 2001 |
| 6265947 |
Power conserving phase-locked loop and method |
Jul. 24, 2001 |
| 6262610 |
Voltage sample and hold circuit for low leakage charge pump |
Jul. 17, 2001 |
| 6259278 |
Phase detector |
Jul. 10, 2001 |
| 6255872 |
Charge pump circuit for PLL |
Jul. 3, 2001 |
| 6255873 |
Setting the common mode level of a differential charge pump output |
Jul. 3, 2001 |
| 6249159 |
Frequency control circuit having increased control bandwidth at lower device operating speed |
Jun. 19, 2001 |
| 6249685 |
Low power fractional pulse generation in frequency tracking multi-band fractional-N phase lock loop |
Jun. 19, 2001 |
| 6184733 |
Clock synchronizing circuit |
Feb. 6, 2001 |
| 6177812 |
Phase detector |
Jan. 23, 2001 |
| 6163186 |
System including phase lock loop circuit |
Dec. 19, 2000 |
| 6157691 |
Fully integrated phase-locked loop with resistor-less loop filer |
Dec. 5, 2000 |
| 6140853 |
Digital phase detector and charge pump system reset and balanced current source matching |
Oct. 31, 2000 |
| 6130561 |
Method and apparatus for performing fractional division charge compensation in a frequency synthesizer |
Oct. 10, 2000 |
| 6114888 |
Digital phase lock loop divider cycling method, apparatus, and communication system incorporating the same |
Sep. 5, 2000 |
| 6111468 |
Charge pump with charge/discharge amount control |
Aug. 29, 2000 |
| 6107849 |
Automatically compensated charge pump |
Aug. 22, 2000 |
| 6100721 |
Circuit and method of extending the linear range of a phase frequency detector |
Aug. 8, 2000 |
| 6067336 |
Charge pump circuit |
May. 23, 2000 |
| 6054882 |
Charge pump circuit |
Apr. 25, 2000 |
| 6044123 |
Method and apparatus for fast clock recovery phase-locked loop with training capability |
Mar. 28, 2000 |
| 6041090 |
Data sampling and recover in a phase-locked loop (PLL) |
Mar. 21, 2000 |
| 6031402 |
Clock synchronizing circuit with power save mode |
Feb. 29, 2000 |
| 6008677 |
Voltage recovery circuit and method therefor |
Dec. 28, 1999 |
| 6002273 |
Linear low noise phase-frequency detector |
Dec. 14, 1999 |
| 5950115 |
GHz transceiver phase lock loop having autofrequency lock correction |
Sep. 7, 1999 |
| 5949264 |
Digital phase detector and charge pump system reset and balanced current source matching methods and systems |
Sep. 7, 1999 |
| 5936445 |
PLL-based differential tuner circuit |
Aug. 10, 1999 |
| 5929678 |
Frequency synthesis circuit having a charge pump |
Jul. 27, 1999 |
| 5929677 |
Phase locked loop having a voltage source responsive to a filtered phase difference output voltage and semiconductor device including the phase locked loop |
Jul. 27, 1999 |
| 5910741 |
PLL circuit with non-volatile memory |
Jun. 8, 1999 |
| 5898336 |
Charging pump circuit and a phase-locked loop circuit using the same |
Apr. 27, 1999 |
| 5861766 |
Multimode frequency synthesizer having high loop gain in frequency seek mode |
Jan. 19, 1999 |
| 5825226 |
Delay equalization apparatus and method |
Oct. 20, 1998 |
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