Inventor · Foster City, CA, US

Randy Tsang

31Patents
8h-index
34Co-inventors
75Inventor score

Filing activity: Aug 11, 1997 → May 6, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5900623A Active pixel sensor using CMOS technology with reverse biased photodiodes Electricity 132 Expired
US7545867B1 Adaptive channel bandwidth selection for MIMO wireless systems Electricity 59 Active
US7756486B1 Transmitter and receiver impedance control using shunt switches Electricity 33 Active
US7528667B1 T-network capbank Electricity 18 Active
US7940129B1 Low KVCO phase-locked loop with large frequency drift handling capability Electricity 17 Active
US6819187B1 Limit swing charge pump and method thereof Electricity 16 Expired
US7667533B1 Self biased low noise high PSRR constant GM for VCO Electricity 8 Active
US10581478B1 Radio-frequency front end with power amplifier detuning to reduce output degradation Electricity 8 Active
US7852168B1 Power-efficient biasing circuit Electricity 7 Active
US8421542B2 Method and apparatus for drift compensation in PLL Electricity 7 Active
US8238453B1 Adaptive channel bandwidth selection for MIMO wireless systems Electricity 7 Active
US6727736B1 Voltage control oscillator noise reduction technique and method thereof Electricity 5 Expired
US9484871B1 Complex bandpass filter having a transfer function with two poles Electricity 5 Active
US7741928B1 Frequency modulation using a digital frequency locked loop Electricity 5 Active
US8442451B1 Transmitter and receiver impedence control using shunt switches Electricity 4 Active
US7064600B1 Limit swing charge pump and method thereof Electricity 4 Expired
US7688898B1 Adaptive channel bandwidth selection for MIMO wireless systems Electricity 4 Active
US8503503B1 Agile frequency synthesizer scheme for fast hopping, low phase noise applications Electricity 3 Active
US8319547B1 Self biased low noise high PSRR constant GM for VCO Electricity 2 Active
US8634483B1 Operating environment based wireless communication devices and methods Electricity 2 Active
US7486154B1 Flicker noise degeneration technique for VCO Electricity 2 Active
US8981855B2 Method and apparatus for drift compensation in PLL Electricity 2 Active
US8149065B1 Low KVCO phase-locked loop with large frequency drift handling capability Electricity 2 Active
US11128375B2 Dispersion compensation in mm-wave communication over plastic waveguide using composite right/left-handed metamaterial assembly Electricity 0 Active
US11381441B2 Dispersion compensation in mm-wave communication over plastic waveguide using OFDM Electricity 0 Active

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