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Class Information
Number: 375/226
Name: Pulse or digital communications > Testing > Phase error or phase jitter
Description: Subject matter including a means for measuring abrupt, spurious variations in the phase of the frequency modulation of successive pulses referenced to the phase of a continuous oscillator.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620857 |
Controllable delay device |
Nov. 17, 2009 |
| 7613237 |
Built-in test feature to facilitate system level stress testing of a high-speed serial link that uses a forwarding clock |
Nov. 3, 2009 |
| 7613266 |
Binary controlled phase selector with output duty cycle correction |
Nov. 3, 2009 |
| 7609758 |
Method of phase shifting bits in a digital signal pattern |
Oct. 27, 2009 |
| 7606341 |
Circuit for bit alignment in high speed multichannel data transmission |
Oct. 20, 2009 |
| 7606343 |
Phase-locked-loop with reduced clock jitter |
Oct. 20, 2009 |
| 7606330 |
Dual-rate single band communication system |
Oct. 20, 2009 |
| 7602855 |
Method and apparatus for singular value decomposition of a channel matrix |
Oct. 13, 2009 |
| 7602859 |
Calibrating integrating receivers for source synchronous protocol |
Oct. 13, 2009 |
| 7599458 |
System and method to reduce jitter |
Oct. 6, 2009 |
| 7599430 |
Fading channel modeling |
Oct. 6, 2009 |
| 7596173 |
Test apparatus, clock generator and electronic device |
Sep. 29, 2009 |
| 7593459 |
Wireless link simulator |
Sep. 22, 2009 |
| 7590170 |
Method and apparatus for measuring jitter |
Sep. 15, 2009 |
| 7590152 |
Router-based monitoring of EF-on-EF jitter |
Sep. 15, 2009 |
| 7587012 |
Dual loop clock recovery circuit |
Sep. 8, 2009 |
| 7587015 |
Asynchronous digital data capture |
Sep. 8, 2009 |
| 7583753 |
Methods and transmitters for loop-back adaptive pre-emphasis data transmission |
Sep. 1, 2009 |
| 7573937 |
Phase rotator control test scheme |
Aug. 11, 2009 |
| 7571363 |
Parametric measurement of high-speed I/O systems |
Aug. 4, 2009 |
| 7567614 |
Altering power consumption in communication links based on measured noise |
Jul. 28, 2009 |
| 7564895 |
Method and apparatus for monitoring channel frequency response |
Jul. 21, 2009 |
| 7564897 |
Jitter measuring apparatus, jitter measuring method and PLL circuit |
Jul. 21, 2009 |
| 7558317 |
Edge calibration for synchronous data transfer between clock domains |
Jul. 7, 2009 |
| 7558336 |
Semiconductor device, memory device and memory module having digital interface |
Jul. 7, 2009 |
| 7558991 |
Device and method for measuring jitter |
Jul. 7, 2009 |
| 7555039 |
Simultaneous display of eye diagram and jitter profile during device characterization |
Jun. 30, 2009 |
| 7554338 |
Display for measuring phase noise characteristics |
Jun. 30, 2009 |
| 7554332 |
Calibration apparatus, calibration method, testing apparatus, and testing method |
Jun. 30, 2009 |
| 7545858 |
Method of measuring jitter frequency response |
Jun. 9, 2009 |
| 7535953 |
Time information transmitter-receiver, and time information transmission-reception integrated circuit |
May. 19, 2009 |
| 7535984 |
Clock adjustment apparatus and method thereof |
May. 19, 2009 |
| 7532995 |
Interpolator testing circuit |
May. 12, 2009 |
| 7529295 |
Acquiring frequency and phase offset estimates using frequency domain analysis |
May. 5, 2009 |
| 7522658 |
Design method and implementation of optimal linear IIR equalizers for RF transceivers |
Apr. 21, 2009 |
| 7522661 |
Method of producing a two-dimensional probability density function (PDF) eye diagram and Bit Error Rate eye arrays |
Apr. 21, 2009 |
| 7522672 |
Digital branch calibrator for an RF transmitter |
Apr. 21, 2009 |
| 7519489 |
Determination of a jitter property of a signal |
Apr. 14, 2009 |
| 7519329 |
Determination of antenna noise temperature for handheld wireless devices |
Apr. 14, 2009 |
| 7516030 |
Measuring components of jitter |
Apr. 7, 2009 |
| 7512177 |
Method and apparatus for generating random jitter |
Mar. 31, 2009 |
| 7508886 |
System for generating a digital signal |
Mar. 24, 2009 |
| 7509095 |
Method and system for identifying occurrence of shadowing phenomenon during wireless communications |
Mar. 24, 2009 |
| 7505737 |
Apparatus for generating clock signal in mobile communication terminal |
Mar. 17, 2009 |
| 7502815 |
True random number generator and method of generating true random numbers |
Mar. 10, 2009 |
| 7496136 |
Phase locked loop and method for evaluating a jitter of a phase locked loop |
Feb. 24, 2009 |
| 7496137 |
Apparatus for measuring jitter and method of measuring jitter |
Feb. 24, 2009 |
| 7483477 |
User interface for selection of sampling parameters in a logic analyzer whose data receivers are in groups each having a separate threshold that is common to the channels within each group |
Jan. 27, 2009 |
| 7480329 |
Method of finding data dependent timing and voltage jitter for different bits in an arbitrary digital signal in accordance with selected surrounding bits |
Jan. 20, 2009 |
| 7466140 |
Signal generation circuit, jitter injection circuit, semiconductor chip and test apparatus |
Dec. 16, 2008 |
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