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Class Information
Number: 330/4.9
Name: Amplifiers > Parametric amplifiers > Semiconductor type (e.g., with semiconductor diode)
Description: Subject matter wherein the nonlinear reactance is of the semiconductor type (e.g., a diode).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6611168 |
Differential parametric amplifier with physically-coupled electrically-isolated micromachined structures |
Aug. 26, 2003 |
| 6265934 |
Q-switched parametric cavity amplifier |
Jul. 24, 2001 |
| 6111472 |
Quasi-optical amplifier |
Aug. 29, 2000 |
| 5341114 |
Integrated limiter and amplifying devices |
Aug. 23, 1994 |
| 5089787 |
Optically-coupled high frequency amplifier |
Feb. 18, 1992 |
| 5075573 |
Low-noise optical wave amplification device |
Dec. 24, 1991 |
| 4805237 |
Parametric diode amplifier |
Feb. 14, 1989 |
| 4610031 |
Receiver including surface acoustic wave amplifier |
Sep. 2, 1986 |
| 4484144 |
Semiconductor light amplifier |
Nov. 20, 1984 |
| 4461039 |
Quasi-optical balanced biconical mixer |
Jul. 17, 1984 |
| 4426737 |
Circuit for generating a pumping signal for a surface elastic wave parametric device in a receiver |
Jan. 17, 1984 |
| 4410833 |
Solid state magnetron |
Oct. 18, 1983 |
| 4361814 |
Distributed optical parametric amplifier |
Nov. 30, 1982 |
| 4348650 |
Surface-acoustic-wave parametric device |
Sep. 7, 1982 |
| 4317231 |
Microwave circuit for a parametric upper sideband down converter |
Feb. 23, 1982 |
| 4287605 |
Directional filter for mixers, converters and the like |
Sep. 1, 1981 |
| 4286276 |
Dual Schottky contact avalanche semiconductor structure with electrode spacing equal to EPI layer thickness |
Aug. 25, 1981 |
| 4254388 |
Frequency selector apparatus |
Mar. 3, 1981 |
| 4232277 |
Microwave oscillator for microwave integrated circuit applications |
Nov. 4, 1980 |
| 4160215 |
Single diode upper sideband terminated parametric amplifier |
Jul. 3, 1979 |
| 4158817 |
Microwave input circuit with parametric down converter |
Jun. 19, 1979 |
| 4138648 |
Balanced synchronous parametric amplifier |
Feb. 6, 1979 |
| 4131858 |
Beam lead dual parametric amplifier |
Dec. 26, 1978 |
| 4099228 |
Harmonic mixing with an anti-parallel diode pair |
Jul. 4, 1978 |
| 4061990 |
Frequency combining circuit |
Dec. 6, 1977 |
| 4051364 |
Photoparamp array multiplexer |
Sep. 27, 1977 |
| 4030049 |
Broadband low noise parametric amplifier |
Jun. 14, 1977 |
| 4020341 |
Generating and using coherent optical radiation |
Apr. 26, 1977 |
| 3992675 |
Broadband, upper sideband terminated, low-noise parametric amplifier |
Nov. 16, 1976 |
| 3991373 |
Input circuit for a microwave receiving system |
Nov. 9, 1976 |
| 3934208 |
Low noise modular parametric amplifier |
Jan. 20, 1976 |
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