Rinaldo Castello
53Patents
11h-index
58Co-inventors
81Inventor score
Filing activity: Jul 5, 1989 → Jun 30, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5745002A | Low voltage, switched capacitance circuit employing switched operational amplifiers with maximized voltage swing | Electricity | 27 | Expired |
| US5943000A | Compensated MOS string and DAC employing such a potentiometric string | Electricity | 18 | Expired |
| US5834976A | Frequency self-compensated operational amplifier | Electricity | 16 | Expired |
| US5485074A | High ratio current mirror with enhanced power supply rejection ratio | Physics | 15 | Expired |
| US5990748A | Frequency self-compensated operational amplifier | Electricity | 14 | Expired |
| US5825250A | Operational amplifier having an adjustable frequency compensation | Electricity | 14 | Expired |
| US5748029A | MOS transistor switching circuit without body effect | Electricity | 13 | Expired |
| US8947139B1 | Apparatus for doubling the dynamic range of a time to digital converter | Electricity | 13 | Active |
| US5430337A | Transconductor stage | Electricity | 13 | Expired |
| US5621358A | Transconductor stage with controlled gain | Electricity | 12 | Expired |
| US9490745B1 | Voltage-controlled oscillator | Electricity | 12 | Active |
| US5587682A | Four-quadrant biCMOS analog multiplier | Physics | 11 | Expired |
| US6411166B1 | Fully differential, switched capacitor, operational amplifier circuit with common-mode controlled output | Electricity | 11 | Expired |
| US5332937A | Transconductor stage for high frequency filters | Electricity | 10 | Expired |
| US5973537A | Common mode control circuit for a switchable fully differential Op-AMP | Electricity | 10 | Expired |
| US5696457A | Method for erasing a common mode current signal and transconductor assembly using such method | Electricity | 10 | Expired |
| US5495166A | MOS transistor threshold voltage generator | Electricity | 10 | Expired |
| US5994960A | High speed switched op-amp for low supply voltage applications | Electricity | 9 | Expired |
| US5434535A | RC filter for low and very low frequency applications | Electricity | 8 | Expired |
| US5815037A | High-pass filter, particularly for canceling out the offset in a chain of amplifiers | Electricity | 7 | Expired |
| US5552747A | Driver circuit compatible with low supply voltages | Electricity | 7 | Expired |
| US5576646A | Transconductor circuit with high-linearity double input and active filter thereof | Electricity | 6 | Expired |
| US6229346A | High frequency supply compatible hysteresis comparator with low dynamics differential input | Electricity | 6 | Expired |
| US4926138A | Fully-differential reference voltage source | Physics | 5 | Expired |
| US9543995B1 | Analog front end receivers with resonant mixer configured to reject local oscillator harmonics | Electricity | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.