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Class Information
Number: 327/146
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Signal converting, shaping, or generating > Synchronizing > Using multiple clocks > With feedback
Description: Subject matter wherein a portion of the circuit output is returned to an input.










Sub-classes under this class:

Class Number Class Name Patents
327/147 Phase lock loop 972


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8710881 PLL circuit Apr. 29, 2014
8711018 Providing a feedback loop in a low latency serial interconnect architecture Apr. 29, 2014
8704562 Ultra low phase noise signal source Apr. 22, 2014
8687457 Semiconductor memory device and operating method thereof Apr. 1, 2014
8659332 Signal circuit Feb. 25, 2014
8634511 Digital phase frequency detector, digital phase locked loop including the same and method of detecting phase and frequency of output signal Jan. 21, 2014
8634503 Fast lock clock-data recovery for phase steps Jan. 21, 2014
8630821 High speed data testing without high speed bit clock Jan. 14, 2014
8610461 Split decode latch with shared feedback Dec. 17, 2013
8610471 Delay locked loop Dec. 17, 2013
8595537 DLL phase detection using advanced phase equalization Nov. 26, 2013
8593188 Apparatus to remove the loop filter resistor noise in charge-pump PLL Nov. 26, 2013
8587351 Method for synchronizing sampling to sinusoidal inputs Nov. 19, 2013
8552772 Loop filter buffer with level shifter Oct. 8, 2013
8552900 System and method of clocking low sample rate analog to digital converters while minimizing linearity errors Oct. 8, 2013
8542552 DLL circuit, frequency-multiplication circuit, and semiconductor memory device Sep. 24, 2013
8531217 Fractional-N frequency synthesizer having reduced fractional switching noise Sep. 10, 2013
8513990 PLL frequency synthesizer Aug. 20, 2013
8513989 Integrated circuit, micro-controller unit, and method including a synchronous sampling controller Aug. 20, 2013
8508265 Differential controlled phase locked loop circuit Aug. 13, 2013
8446190 Frequency divider, frequency synthesizer and application circuit May. 21, 2013
8442075 Disparate clock domain synchronization May. 14, 2013
8415995 Electric circuit and signal processing method Apr. 9, 2013
8410834 All digital serial link receiver with low jitter clock regeneration and method thereof Apr. 2, 2013
8406364 Fractional frequency divider PLL device and control method thereof Mar. 26, 2013
8405533 Providing a feedback loop in a low latency serial interconnect architecture Mar. 26, 2013
8368449 Dead zone detection for phase adjustment Feb. 5, 2013
8314724 Providing a feedback loop in a low latency serial interconnect architecture Nov. 20, 2012
8279761 Input/output interface for periodic signals Oct. 2, 2012
8271823 DLL phase detection using advanced phase equalization Sep. 18, 2012
8179173 Digitally calibrated high speed clock distribution May. 15, 2012
8125251 Semiconductor memory device having a clock alignment training circuit and method for operating the same Feb. 28, 2012
8115524 Semiconductor device having auto clock alignment training mode circuit Feb. 14, 2012
8098786 Reception apparatus Jan. 17, 2012
8098787 Method and apparatus for precision quantization of temporal spacing between two events Jan. 17, 2012
8089307 Charge transfer in a phase-locked loop Jan. 3, 2012
7944261 Method and apparatus for detecting clock loss May. 17, 2011
7936789 Disparate clock domain synchronization May. 3, 2011
7917795 Digital circuit to measure and/or correct duty cycles Mar. 29, 2011
7864894 Receiver circuit and receiving method Jan. 4, 2011
7863990 Oscillation circuit, test apparatus and electronic device Jan. 4, 2011
7849348 Programmable delay clock buffer Dec. 7, 2010
7826582 Numerically controlled oscillator (NCO) output clock phase smoothing Nov. 2, 2010
7822099 Digital Gaussian noise simulator Oct. 26, 2010
7801261 Clock recovery from data streams containing embedded reference clock values Sep. 21, 2010
7786913 Digital phase locked loop with dithering Aug. 31, 2010
7778377 Methods and apparatus for spread spectrum generation using a voltage controlled delay loop Aug. 17, 2010
7759997 Multi-phase correction circuit Jul. 20, 2010
7756232 Clock and data recovery circuit Jul. 13, 2010
7688653 Method and system for improved efficiency of synchronous mirror delays and delay locked loops Mar. 30, 2010

1 2 3










 
 
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