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Browse by Category: Main > Electrical & Energy
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:
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Patent Number Title Of Patent Date Issued
8710884 Methods and devices for multiple-mode radio frequency synthesizers Apr. 29, 2014
8704569 Delay locked loop circuit and method Apr. 22, 2014
8704571 Phase-locked-loop with quadrature tracking filter for synchronizing an electric grid Apr. 22, 2014
8692598 Digital phase locked loop Apr. 8, 2014
8692599 Interpolative divider linearity enhancement techniques Apr. 8, 2014
8692621 Methods and apparatus for oscillator frequency calibration Apr. 8, 2014
8686771 Digital phase-locked loop with wide capture range, low phase noise, and reduced spurs Apr. 1, 2014
8675800 Synchronizing circuit, synchronizing method, and receiving system Mar. 18, 2014
8674773 Phase interpolator with voltage-controlled oscillator injection-lock Mar. 18, 2014
8669890 Method and apparatus of estimating/calibrating TDC mismatch Mar. 11, 2014
8664985 Phase frequency detector and charge pump for phase lock loop fast-locking Mar. 4, 2014
8653869 Segmented fractional-N PLL Feb. 18, 2014
8648626 Clock generators, clock generating methods, and mobile communication device using the clock generator Feb. 11, 2014
8638147 Clock generator and system including the same Jan. 28, 2014
8638146 Dual mode phase detection Jan. 28, 2014
8638142 ADPLL circuit, semiconductor device, and portable information device Jan. 28, 2014
8638139 Phase locked loop (PLL) based frequency sweep generator Jan. 28, 2014
8633746 Semiconductor device and radio communication terminal mounting the same Jan. 21, 2014
8618854 Adaptive clock switching to capture asynchronous data within a phase-to-digital converter Dec. 31, 2013
8610476 Apparatus and methods for lock detection for semi-digital and fully-digital clock data recovery Dec. 17, 2013
8604848 MEMS-based frequency synthesizers having variable bandwidth temperature compensation Dec. 10, 2013
8604850 Measurement initialization circuitry Dec. 10, 2013
8604852 Noise suppression using an asymmetric frequency-locked loop Dec. 10, 2013
8598930 Digital delay-locked loop with drift sensor Dec. 3, 2013
8593182 Frequency synthesizer and associated method Nov. 26, 2013
8575981 MEMS-based frequency synthesizers with enhanced temperature compensation Nov. 5, 2013
8552775 Digital phase-locked loop apparatus using frequency shift keying and method of controlling the same Oct. 8, 2013
8553827 ADC-based mixed-mode digital phase-locked loop Oct. 8, 2013
8542067 Oscillation circuit and image display device Sep. 24, 2013
8536822 Voltage-controlled stepper motor driver Sep. 17, 2013
8536916 Digitally controlled oscillator with thermometer sigma delta encoded frequency control word Sep. 17, 2013
8531222 Phase locked loop circuit with selectable feedback paths Sep. 10, 2013
8532243 Digital hold in a phase-locked loop Sep. 10, 2013
8525597 Clock frequency overshoot detection circuit Sep. 3, 2013
8519798 Phase-locked loop based chaotic spread spectrum generator Aug. 27, 2013
8513989 Integrated circuit, micro-controller unit, and method including a synchronous sampling controller Aug. 20, 2013
8513995 System including circuitry providing multiple circuit paths for controlling a characteristic of a period signal Aug. 20, 2013
8508270 System and method for adjusting a characteristic of a periodic signal with use of a filtered bias voltage Aug. 13, 2013
8508271 Phase locked loop Aug. 13, 2013
8509370 Phase locked loop device and method thereof Aug. 13, 2013
8502582 Adaptive digital phase locked loop Aug. 6, 2013
8502581 Multi-phase digital phase-locked loop device for pixel clock reconstruction Aug. 6, 2013
8502580 Semiconductor device and method for operating the same Aug. 6, 2013
8493112 Signal processing apparatus Jul. 23, 2013
8493115 Phase locked loop circuit and system having the same Jul. 23, 2013
8487707 Frequency synthesizer Jul. 16, 2013
8487708 Clock oscillator circuit and semiconductor device Jul. 16, 2013
8476945 Phase profile generator Jul. 2, 2013
8471736 Automatic adjusting circuit and method for calibrating vernier time to digital converters Jun. 25, 2013
8472515 Clock and data recovery circuit with decision feedback equalization Jun. 25, 2013

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