Mark Chambers
25Patents
8h-index
32Co-inventors
71Inventor score
Filing activity: Mar 7, 1994 → Jan 4, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5901347A | Fast automatic gain control circuit and method for zero intermediate frequency receivers and radiotelephone using same | Electricity | 128 | Expired |
| US5625316A | Tuning circuit for an RC filter | Electricity | 75 | Expired |
| US5465409A | Radio architecture with dual frequency source selection | Electricity | 30 | Expired |
| US7715143B2 | Delta-sigma PLL using fractional divider from a multiphase ring oscillator | Physics | 29 | Active |
| US5530399A | Transconductance scaling circuit and method responsive to a received digital code word for use with an operational transconductance circuit | Physics | 23 | Expired |
| US5381114A | Continuous time common mode feedback amplifier | Electricity | 23 | Expired |
| US5598129A | Low current drain operational transconductance amplifier | Electricity | 10 | Expired |
| US6975557B2 | Phase controlled high speed interfaces | Electricity | 9 | Expired |
| US7605665B2 | Fractional-N phase locked loop | Electricity | 8 | Active |
| US5459427A | DC level shifting circuit for analog circuits | Electricity | 7 | Expired |
| US7358782B2 | Frequency divider and associated methods | Electricity | 6 | Expired |
| US5832370A | Current mode transceiver circuit and method | Electricity | 6 | Expired |
| US6510012B1 | High-speed CMOS buffer circuit with programmable quadratic transfer function | Electricity | 6 | Expired |
| US6922109B2 | Multiple synthesized clocks with fractional PPM control from a single clock source | Electricity | 5 | Expired |
| US7333390B2 | Phase controlled high speed interfaces | Electricity | 4 | Expired |
| US6853510B2 | High-speed low-capacitive load common mode feedback | Electricity | 3 | Expired |
| US6868431B1 | Circuit and method for processing data | Electricity | 3 | Expired |
| US6963245B2 | System and method to accelerate settling of an amplifier | Electricity | 2 | Expired |
| US7515504B2 | Phase controlled high speed interfaces | Electricity | 2 | Active |
| US7609095B2 | System and method for maintaining device operation during clock signal adjustments | Physics | 2 | Expired |
| US7508272B2 | Methods and systems to provide a plurality of signals having respective different phases | Electricity | 1 | Active |
| US7142057B2 | System to accelerate settling of an amplifier | Electricity | 1 | Expired |
| US7274260B2 | Methods and systems to provide a plurality of signals having respective different phases | Electricity | 0 | Active |
| US7161781B2 | Signal driving system | Electricity | 0 | Expired |
| US7116176B2 | Multiple synthesized clocks from a single clock source | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.