Inventor · Austin, TX, US

Alan L. Westwick

57Patents
13h-index
45Co-inventors
84Inventor score

Filing activity: Feb 3, 1986 → Nov 25, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5945878A Single-ended to differential converter Electricity 94 Expired
US7421251B2 Precise frequency generation for low duty cycle transceivers using a single crystal oscillator Electricity 66 Active
US4697152A Fully differential switched capacitor amplifier having autozeroed common-mode feedback Electricity 46 Expired
US5457433A Low-power inverter for crystal oscillator buffer or the like Electricity 41 Expired
US5049831A Single-ended input to differential output amplifier with integral two-pole filter Electricity 33 Expired
US5446420A Method and apparatus for reducing jitter and improving testability of an oscillator Electricity 25 Expired
US5059820A Switched capacitor bandgap reference circuit having a time multiplexed bipolar transistor Physics 25 Expired
US4720686A Circuit for converting a fully differential amplifier to a single-ended output amplifier Electricity 20 Expired
US7908500B2 Low power retention flip-flops Emerging Cross-Sectional Technologies 19 Active
US7714674B2 System and method for calibrating bias current for low power RTC oscillator Electricity 19 Active
US8238068B2 Electrical over-stress detection circuit Physics 17 Active
US5045773A Current source circuit with constant output Physics 15 Expired
US8050313B2 Single chip low power fully integrated 802.15.4 radio platform Electricity 14 Active
US8378724B2 Controlling a frequency locked loop Electricity 13 Active
US6034562A Mixed signal processing system and method for powering same Electricity 13 Expired
US11057029B2 Gate driver with integrated miller clamp Electricity 12 Active
US4737732A Low voltage operational amplifier having a substantially full range output voltage Emerging Cross-Sectional Technologies 12 Expired
US7768242B2 DC/DC boost converter with resistorless current sensing Electricity 12 Active
US7821441B2 SAR analog-to-digital converter having variable currents for low power mode of operation Electricity 12 Active
US5511126A Method and apparatus for reducing jitter and improving testability of an oscillator Electricity 11 Expired
US4647865A Parasitic insensitive switched capacitor input structure for a fully differential operational amplifier Electricity 10 Expired
US7622963B2 General purpose comparator with multiplexer inputs Electricity 9 Active
US7852061B2 Band gap generator with temperature invariant current correction circuit Emerging Cross-Sectional Technologies 8 Active
US7873856B2 Microcontroller unit having power supply voltage monitor Electricity 8 Active
US8023557B2 Hardware synchronizer for 802.15.4 radio to minimize processing power consumption Emerging Cross-Sectional Technologies 8 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.