Donald A. Kerth
74Patents
23h-index
40Co-inventors
88Inventor score
Filing activity: Feb 11, 1985 → May 21, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5477481A | Switched-capacitor integrator with chopper stabilization performed at the sampling rate | Electricity | 111 | Expired |
| US8467483B2 | Radio-frequency apparatus and associated methods | Electricity | 96 | Active |
| US5012244A | Delta-sigma modulator with oscillation detect and reset circuit | Electricity | 94 | Expired |
| US7092675B2 | Apparatus and methods for generating radio frequencies in communication circuitry using multiple control signals | Electricity | 74 | Expired |
| US5212659A | Low precision finite impulse response filter for digital interpolation | Electricity | 74 | Expired |
| US5583501A | Digital-to-analog converter with digital linearity correction | Electricity | 67 | Expired |
| US5644308A | Algorithmic analog-to-digital converter having redundancy and digital calibration | Electricity | 60 | Expired |
| US6148048A | Receive path implementation for an intermediate frequency transceiver | Electricity | 59 | Expired |
| US5039989A | Delta-sigma analog-to-digital converter with chopper stabilization at the sampling frequency | Electricity | 57 | Expired |
| US5079550A | Combining continuous time and discrete time signal processing in a delta-sigma modulator | Electricity | 50 | Expired |
| US7280001B2 | Capacitor array segmentation | Electricity | 45 | Expired |
| US7333831B2 | Interchangeable receive inputs for band and system swappability in communication systems and related methods | Electricity | 35 | Expired |
| US6804497B2 | Partitioned radio-frequency apparatus and associated methods | Electricity | 34 | Expired |
| US5644257A | Sampling circuit charge management | Electricity | 32 | Expired |
| US5376936A | One-bit switched-capacitor D/A circuit with continuous time linearity | Electricity | 32 | Expired |
| US5717321A | Drive current calibration for an analog resistive touch screen | Physics | 31 | Expired |
| US5061925A | Phase equalization system for a digital-to-analog converter utilizing separate digital and analog sections | Electricity | 31 | Expired |
| US4588941A | Cascode CMOS bandgap reference | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6650264B1 | Quadrature sampling architecture and method for analog-to-digital converters | Electricity | 30 | Expired |
| US5172115A | Ratiometric A/D converter with non-rationometric error offset | Electricity | 28 | Expired |
| US6226506A | Method and apparatus for eliminating floating voltage nodes within a discreetly variable capacitance used for synthesizing high-frequency signals for wireless communications | Electricity | 26 | Expired |
| US7221921B2 | Partitioning of radio-frequency apparatus | Electricity | 24 | Expired |
| US5268651A | Low drift resistor structure | Electricity | 23 | Expired |
| US7689190B2 | Controlling the frequency of an oscillator | Electricity | 22 | Active |
| US6311050A | Single integrated circuit phase locked loop for synthesizing high-frequency signals for wireless communications and method for operating same | Electricity | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.