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Class Information
Number: 327/159
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Signal converting, shaping, or generating > Synchronizing > With feedback > Phase lock loop > With digital element
Description: Subject matter including a device performing Boolean algebra operations.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6313676 |
Synchronous type semiconductor integrated circuit having a delay monitor controlled by a delay control signal obtained in a delay measuring mode |
Nov. 6, 2001 |
| 6314150 |
Lock detector circuit for a phase-locked loop |
Nov. 6, 2001 |
| 6314151 |
Phase comparator operable at half frequency of input signal |
Nov. 6, 2001 |
| 6310653 |
Phase comparison and phase adjustment for synchronization to a reference signal that is asynchronous with respect to a digital sampling clock |
Oct. 30, 2001 |
| 6310521 |
Reference-free clock generation and data recovery PLL |
Oct. 30, 2001 |
| 6307413 |
Reference-free clock generator and data recovery PLL |
Oct. 23, 2001 |
| 6307441 |
Shape modulation transmit loop with digital frequency control and method for same |
Oct. 23, 2001 |
| 6304115 |
Phase locked loop having DC bias circuitry |
Oct. 16, 2001 |
| 6304118 |
Synchronous circuit having circuit for detecting phase error at center of reference signal |
Oct. 16, 2001 |
| 6304146 |
Method and apparatus for synthesizing dual band high-frequency signals for wireless communications |
Oct. 16, 2001 |
| 6304147 |
Method and circuit for reduced power consumption in a charge pump circuit |
Oct. 16, 2001 |
| 6300838 |
Method and apparatus for derivative controlled phase locked loop systems |
Oct. 9, 2001 |
| 6300808 |
ARRANGEMENT FOR OFFSET CURRENT COMPENSATION OF PHASE DETECTOR |
Oct. 9, 2001 |
| 6298106 |
Frequency synthesiser |
Oct. 2, 2001 |
| 6297703 |
Method and apparatus for producing an offset frequency |
Oct. 2, 2001 |
| 6297705 |
Circuit for locking an oscillator to a data stream |
Oct. 2, 2001 |
| 6295328 |
Frequency multiplier using delayed lock loop (DLL) |
Sep. 25, 2001 |
| 6292016 |
Programmable logic with on-chip DLL or PLL to distribute clock |
Sep. 18, 2001 |
| 6285261 |
Digital clock recovery loop |
Sep. 4, 2001 |
| 6281728 |
Delay locked loop circuit |
Aug. 28, 2001 |
| 6281759 |
Digital frequency generation method and apparatus |
Aug. 28, 2001 |
| 6275524 |
Apparatus and method for reducing the time required to acquire synchronization with an incoming data stream |
Aug. 14, 2001 |
| 6271697 |
Semiconductor integrated circuit device |
Aug. 7, 2001 |
| 6268749 |
Core clock correction in a 2/n mode clocking scheme |
Jul. 31, 2001 |
| 6269128 |
Clock recovery control in differential detection |
Jul. 31, 2001 |
| 6265919 |
In phase alignment for PLL's |
Jul. 24, 2001 |
| 6265916 |
Clock multiplier circuit capable of generating a high frequency clock signal from a low frequency input clock signal |
Jul. 24, 2001 |
| 6263032 |
Phase detector estimator |
Jul. 17, 2001 |
| 6262611 |
High-speed data receiving circuit and method |
Jul. 17, 2001 |
| 6259288 |
Semiconductor integrated circuit having a DLL circuit and a special power supply circuit for the DLL circuit |
Jul. 10, 2001 |
| 6256361 |
D.T.R.M. data timing recovery module |
Jul. 3, 2001 |
| 6252444 |
Reset signal generation circuit |
Jun. 26, 2001 |
| 6252465 |
Data phase locked loop circuit |
Jun. 26, 2001 |
| 6252466 |
Power-up detector for a phase-locked loop circuit |
Jun. 26, 2001 |
| 6249188 |
Error-suppressing phase comparator |
Jun. 19, 2001 |
| 6242956 |
Phase locked loop |
Jun. 5, 2001 |
| 6239633 |
Digital DLL circuit |
May. 29, 2001 |
| 6236278 |
Apparatus and method for a fast locking phase locked loop |
May. 22, 2001 |
| 6236275 |
Digital frequency synthesis by sequential fraction approximations |
May. 22, 2001 |
| 6229362 |
Charge pump for adaptively controlling current offset |
May. 8, 2001 |
| 6229774 |
Method and apparatus for a phase locked loop |
May. 8, 2001 |
| 6225840 |
Clock generation circuit which reduces a transition time period and semiconductor device using the same |
May. 1, 2001 |
| 6222420 |
Minimizing recovery time |
Apr. 24, 2001 |
| 6222422 |
Method and apparatus for generating a symmetrical output signal from a non-symmetrical input |
Apr. 24, 2001 |
| 6218876 |
Phase-locked loop circuitry for programmable logic devices |
Apr. 17, 2001 |
| 6211739 |
Microprocessor controlled frequency lock loop for use with an external periodic signal |
Apr. 3, 2001 |
| 6208182 |
Phase-locked loop circuit |
Mar. 27, 2001 |
| 6204705 |
Delay locked loop for sub-micron single-poly digital CMOS processes |
Mar. 20, 2001 |
| 6201424 |
Synchronous clock generator including a delay-locked loop signal loss detector |
Mar. 13, 2001 |
| 6201448 |
Method and apparatus to reduce clock jitter of an on-chip clock signal |
Mar. 13, 2001 |
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