Spectrian Corporation
61Patents
0Active
61Granted
39Portfolio score
Filing activity: Jun 25, 1984 → Dec 20, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4770492A | Pressure or strain sensitive optical fiber | Emerging Cross-Sectional Technologies | 187 | Expired |
| US5949283A | Adaptive digital predistortion linearization and feed-forward correction of RF power amplifier | Electricity | 136 | Expired |
| US5760646A | Feed-forward correction loop with adaptive predistortion injection for linearization of RF power amplifier | Electricity | 116 | Expired |
| US6359508B1 | Distortion detection apparatus for controlling predistortion, carrier cancellation and feed-forward cancellation in linear RF power amplifiers | Electricity | 100 | Expired |
| US5869875A | Lateral diffused MOS transistor with trench source contact | Electricity | 97 | Expired |
| US5892397A | Adaptive compensation of RF amplifier distortion by injecting predistortion signal derived from respectively different functions of input signal amplitude | Electricity | 89 | Expired |
| US5912490A | MOSFET having buried shield plate for reduced gate/drain capacitance | Electricity | 88 | Expired |
| US6384681B1 | Swept performance monitor for measuring and correcting RF power amplifier distortion | Electricity | 87 | Expired |
| US5742201A | Polar envelope correction mechanism for enhancing linearity of RF/microwave power amplifier | Electricity | 87 | Expired |
| US6452446B1 | Closed loop active cancellation technique (ACT)-based RF power amplifier linearization architecture | Electricity | 80 | Expired |
| US6504428B2 | High linearity multicarrier RF amplifier | Electricity | 75 | Expired |
| US6407635B2 | Carrier-blanking mechanism for sweeping detector used to measure and correct RF power amplifier distortion | Electricity | 73 | Expired |
| US5528196A | Linear RF amplifier having reduced intermodulation distortion | Electricity | 60 | Expired |
| US6078216A | Aliased wide band performance monitor for adjusting predistortion and vector modulator control parameters of RF amplifier | Electricity | 59 | Expired |
| US5898338A | Adaptive digital predistortion linearization and feed-forward correction of RF power amplifier | Electricity | 53 | Expired |
| US5929704A | Control of RF error extraction using auto-calibrating RF correlator | Electricity | 50 | Expired |
| US5918137A | MOS transistor with shield coplanar with gate electrode | Electricity | 47 | Expired |
| USRE37407E | Polar envelope correction mechanism for enhancing linearity of RF/microwave power amplifier | General | 47 | Expired |
| US5898198A | RF power device having voltage controlled linearity | Electricity | 41 | Expired |
| US6091110A | MOSFET device having recessed gate-drain shield and method | Electricity | 41 | Expired |
| US5841166A | Lateral DMOS transistor for RF/microwave applications | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4701614A | Fiber optic pressure sensor | Physics | 39 | Expired |
| US5821144A | Lateral DMOS transistor for RF/microwave applications | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6104241A | High efficiency feed-forward RF power amplifier with predistoration enchancement | Electricity | 38 | Expired |
| US4735856A | Hermetic coatings for optical fiber and product | Emerging Cross-Sectional Technologies | 37 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.