Featured patents

Adjustable Pole and Zero Location for a Second Order Low Pass Filter Used in a Phase Lock Loop Circuit
US 08723567 B1, May 13, 2014, Yen Dang
A loop filter circuit comprising an input node and an output node, the circuit…

Apparatus and Method for Frequency Calibration in Frequency Synthesizer
US 08519757 B2, Aug. 27, 2013, Kyoohyun Lim et al. / FCI Inc. (Gyeonggi-do, KR)
An apparatus for frequency calibration in a frequency synthesizer, the frequency…

Capactive Load PLL With Calibration Loop
US 08816732 B2, Aug. 26, 2014, Chih-Chang Lin et al. / Taiwan Semiconductor Manufacturing Co., Ltd. (Hsin-Chu, TW)
A circuit, comprising:…

Charge Pump and Active Filter for a Feedback Circuit
US 08558592 B2, Oct. 15, 2013, Samala Sreekiran et al. / Texas Instruments Incorporated (San Diego, US)
A circuit comprising:…

Charge Pump Circuit
US 08803575 B2, Aug. 12, 2014, Emmanouil Terrovitis / QUALCOMM Incorporated (San Diego, US)
A charge pump circuit, comprising:…

Charge Pump Circuit
US 08581646 B2, Nov. 12, 2013, Fangping Fan / IPGoal Microelectronics (SiChuan) Co., Ltd. (Chengdu, Sichuan Province, CN
A charge pump circuit, comprising a switching circuit for providing a charge…

Charge Pump Circuit
US 08502576 B2, Aug. 6, 2013, Yi Bin Hsieh / Ralink Technology Corporation (Jhubei, Hsinchu County, TW)
A charge pump (CP) circuit, comprising:…

Charge Pump, Phase Frequency Detector and Charge Pump Methods
US 08766684 B2, July 1, 2014, Yu-Li Hsueh et al. / Mediatek Inc. (Science-Based Industrial Park, Hsin-Chu, TW)
A phase/frequency detector (PFD) for controlling a charge pump, the PFD…

Charge-Based Phase Locked Loop Charge Pump
US 08525564 B2, Sept. 3, 2013, Robert C. Schober et al. / University of Southern California (Los Angeles, US)
A charge-based charge pump comprising:…

Charging/Discharging Circuit and PLL Circuit Using the Same
US 08729939 B2, May 20, 2014, Yi Chang Hsieh / MStar Semiconductor, Inc. (Hsinchu, TW)
A charging/discharging circuit, for charging/discharging a target element,…

Circuit for Clamping Current in a Charge Pump
US 08860480 B2, Oct. 14, 2014, Peter Vlasenko et al. / Conversant Intellectual Property Management Inc. (Ottawa, Ontario, CA)
A charge pump comprising:…

Circuit for Clamping Current in a Charge Pump
US 08456208 B2, June 4, 2013, Huy Tuong Mai et al. / Mosaid Technologies Incorporated (Ottawa, Ontario, CA)
A charge pump comprising:…

Clock and Data Recovery Circuitry With Auto-Speed Negotiation and Other Possible Features
US 08829958 B2, Sept. 9, 2014, Shou-Po Shih et al. / Altera Corporation (San Jose, US)
An integrated circuit (“IC”) comprising:…

Delay Lock Loop Circuit and Method
US 08531221 B2, Sept. 10, 2013, Tzu-Cheng Yang et al. / NOVATEK Microelectronics Corp. (Hsinchu Science Park, Hsin-Chu, TW)
A delay lock loop circuit comprising:…

Digital Delay-Locked Loop Circuit Using Phase-Inversion Algorithm and Method for Controlling the Same
US 08866522 B1, Oct. 21, 2014, Sangwoo Han et al. / Hongik University Industry—Academia Cooperation (Seoul, KR)
A delay-locked loop circuit using a phase inversion locking algorithm,…

Digitally Programmed Capacitance Multiplication With One Charge Pump
US 08760201 B1, June 24, 2014, Jiefeng Yan et al. / Analog Devices Technology (Hamilton, BM)
A charge pump phase lock loop comprising:…

Edge Density Detection
US 08674732 B1, March 18, 2014, Wayne Fang / Xilinx, Inc. (San Jose, US)
An apparatus, comprising:…

Electrical Circuit Having a Controllable Oscillator
US 08598926 B2, Dec. 3, 2013, Saverio Trotta / Infineon Technologies AG (Neubiberg, DE)
An electrical circuit comprising:…

Fast-Switching Low-Noise Charge Pump
US 08552774 B2, Oct. 8, 2013, Shen Wang et al. / QUALCOMM Incorporated (San Diego, US)
A circuit comprising:…

Fully Integrated Differential LC PLL With Switched Capacitor Loop Filter
US 08773184 B1, July 8, 2014, Paul Madeira et al. / Futurewei Technologies, Inc. (Plano, US)
A circuit comprising:…

High Frequency Quadrature PLL Circuit and Method
US 08581648 B2, Nov. 12, 2013, Kai D. Feng et al. / International Business Machines Corporation (Armonk, US)
A method, comprising:…

High Speed DLL Offset Cancellation
US 08542043 B2, Sept. 24, 2013, Ralph Moore / Analog Devices, Inc. (Norwood, US)
A device comprising:…

Input Jitter Filter for a Phase-Locked Loop (PLL)
US 08648634 B2, Feb. 11, 2014, Ram Kelkar et al. / International Business Machines Corporation (Armonk, US)
A method, comprising:…

Local Oscillator Signal Generation Using Delay Locked Loops
US 08723568 B1, May 13, 2014, Emmanouil Terrovitis / QUALCOMM Incorporated (San Diego, US)
A clock generation circuit to generate a plurality of local oscillator signal…

Low Jitter Clock Generator for Multiple Lanes High Speed Data Transmitter
US 08786337 B2, July 22, 2014, Hessam Mohajeri et al. / Ensphere Solutions, Inc. (Santa Clara, US)
A clock generator circuit comprising:…

Method and Apparatus for Implementation of PLL Minimum Frequency via Voltage Comparison
US 08513992 B1, Aug. 20, 2013, Amit Majumder et al. / Integrated Device Technology, Inc. (San Jose, US)
A method comprising…

OTA Based Fast Lock PLL
US 08760203 B1, June 24, 2014, Mezyad Amourah / Cypress Semiconductor Corporation (San Jose, US)
An apparatus comprising:…

Phase Lock Loop With Injection Pulse Control
US 08710883 B1, April 29, 2014, Wayne Fang et al. / Xilinx, Inc. (San Jose, US)
An apparatus, comprising:…

Phase Locked Loop
US 08686768 B2, April 1, 2014, Jae-Min Jang et al. / SK Hynix Inc. (Gyeonggi-do, KR)
A phase locked loop, comprising:…

Phase Locked Loop
US 08536912 B2, Sept. 17, 2013, Alexander Cherkassky / Texas Instruments Incorporated (Dallas, US)
An apparatus comprising:…

Patentorg has 50 documents under With Charge Pump Patents.

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