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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:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8705658 Method and apparatus of modulating signal in broadcasting and communication system Apr. 22, 2014
8705663 Receiver architecture and methods for demodulating binary phase shift keying signals Apr. 22, 2014
8705601 Apparatus and method for varying inter symbol interference and bandwidth extension pre-emphasis on a high speed digital signal Apr. 22, 2014
8693600 Phase excursion/carrier wave frequency excursion compensation device and method Apr. 8, 2014
8693601 Self-correcting multirate filter Apr. 8, 2014
8687738 Circuits and methods using a majority vote Apr. 1, 2014
8687719 Method and apparatus for OFDM spectral diversity using guard bands Apr. 1, 2014
8683285 Parallel packetized interconnect with simplified data link layer Mar. 25, 2014
8682638 Channel emulator system and method Mar. 25, 2014
8681842 Transforming I/Q impairments through a linear system Mar. 25, 2014
8681840 Transceivers having loopback switches and methods of calibrating carrier leakage thereof Mar. 25, 2014
8670077 Fast service scan Mar. 11, 2014
8665938 Wireless transmission apparatus and self-checking method of wireless transmission apparatus Mar. 4, 2014
8660171 Method and apparatus for timing jitter measurement Feb. 25, 2014
8660811 Estimating bit error rate performance of signals Feb. 25, 2014
8644440 Apparatus and methods for detection and correction of transmitter duty cycle distortion Feb. 4, 2014
8644409 Method and apparatus for modulation and layer mapping in a wireless communication system Feb. 4, 2014
8638841 Transmitting/receiving system, transmitting/receiving method, and computer readable medium for estimating temporal fluctuation of a signal Jan. 28, 2014
8638884 Data processing unit and signal receiver including the data processing unit Jan. 28, 2014
8638895 Extension of Ethernet PHY to channels with bridged tap wires Jan. 28, 2014
8634451 MIMO-OFDM receiver processing Jan. 21, 2014
8634506 Frequency calibration circuit for automatically calibrating frequency and method thereof Jan. 21, 2014
8611475 Channel estimation and symbol boundary detection method Dec. 17, 2013
8611451 Precoder coefficient optimization method and apparatus for communications systems Dec. 17, 2013
8611407 Phase detection in digital communication receivers Dec. 17, 2013
8605604 WLAN module test system Dec. 10, 2013
8605825 Receiving apparatus, test apparatus, receiving method and test method Dec. 10, 2013
8605850 Method and system for providing phase reference signal Dec. 10, 2013
8599910 Jitter addition apparatus and test apparatus Dec. 3, 2013
8594170 Clock masking scheme in a mixed-signal system Nov. 26, 2013
8594169 Method for decomposing and analyzing jitter using spectral analysis and time-domain probability density Nov. 26, 2013
8594166 Method and system for the serial transmission of data Nov. 26, 2013
8595278 Method and system for unconstrained frequency domain adaptive filtering Nov. 26, 2013
8588357 Phase selector capable of tolerating jitter and method thereof, and clock and data recovery circuit Nov. 19, 2013
8588356 Method and device for detecting a phase error of a signal Nov. 19, 2013
8576898 SLOC spot monitoring Nov. 5, 2013
8565338 High bandwidth modulation and transmission Oct. 22, 2013
8565293 Method for synchronizing a plurality of measuring channel assemblies and/or measuring devices, and appropriate measuring device Oct. 22, 2013
8565288 Apparatus and method for performing delay-locked loop operation on receiving signal Oct. 22, 2013
8559492 Transmitter-only IC chip having external loopback test function and external loopback test method using the same Oct. 15, 2013
8559493 Margin test methods and circuits Oct. 15, 2013
8553752 Method and apparatus for determining a calibration signal Oct. 8, 2013
8537885 Low-power down-sampled floating tap decision feedback equalization Sep. 17, 2013
8537949 Systems, circuits and methods for filtering signals to compensate for channel effects Sep. 17, 2013
8526528 Beamforming in MIMO communication systems Sep. 3, 2013
8526554 Apparatus and method for deskewing serial data transmissions Sep. 3, 2013
8520787 Apparatus and method for deskewing serial data transmissions Aug. 27, 2013
8520725 Data equalizing circuit and data equalizing method Aug. 27, 2013
8514914 IQ imbalance correction method in a wireless communication device including a quadrature modulation/demodulation function Aug. 20, 2013
8514920 Methods and apparatus for pseudo asynchronous testing of receive path in serializer/deserializer devices Aug. 20, 2013

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