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Class Information
Number: 330/112
Name: Amplifiers > Signal feedback > Positive feedback
Description: Subject matter wherein the signal feedback has a component in phase with the signal where the feedback is applied and which is not provided for above.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7397308 |
Traveling wave amplifier with distributed regenerative feedback between drain-to-drain transmission lines and gate-to-gate transmission lines for enhanced high frequency bandwidth |
Jul. 8, 2008 |
| 6975734 |
Audio apparatus of negative driving with adaptive gain control |
Dec. 13, 2005 |
| 6967530 |
Circuit and semiconductor device for reducing the generation of shock noise of a power amplifier outputting amplified audio signals |
Nov. 22, 2005 |
| 6693487 |
Signal processing circuit for floating signal sources using positive feedback |
Feb. 17, 2004 |
| 6668165 |
Inverted super regenerative receiver |
Dec. 23, 2003 |
| 6573789 |
Signal processing circuit for floating signal sources using positive feedback |
Jun. 3, 2003 |
| 6420928 |
AC coupled pre-amplifier for burst signal |
Jul. 16, 2002 |
| 6225756 |
Power oscillator |
May. 1, 2001 |
| 6140879 |
Cascode amplifier with positive feedback for high frequency performance and method for operating and optimizing such amplifier |
Oct. 31, 2000 |
| 5392001 |
Capacitively-coupled amplifier with improved low frequency response |
Feb. 21, 1995 |
| 5036228 |
Temperature compensation circuit for negative impedance driving apparatus |
Jul. 30, 1991 |
| 4864639 |
Self-test device and method having an amplifier converted into an oscillator |
Sep. 5, 1989 |
| 4709215 |
Traveling wave tube drive controller |
Nov. 24, 1987 |
| 4542308 |
Sampling comparator circuit for processing a differential input |
Sep. 17, 1985 |
| 4525679 |
High gain amplifying stage by output conductance cancellation |
Jun. 25, 1985 |
| 4524331 |
High input impedance amplifier circuit |
Jun. 18, 1985 |
| 4476440 |
Cross coupled amplifier |
Oct. 9, 1984 |
| 4369412 |
Audio amplifier |
Jan. 18, 1983 |
| 4293820 |
Positive feedback biquad filter |
Oct. 6, 1981 |
| 4236118 |
Stabilized remote sensing high fidelity apparatus |
Nov. 25, 1980 |
| 4180774 |
Regenerative method and apparatus to control an elastic reset torque in movable apparatus |
Dec. 25, 1979 |
| 4174465 |
Signal transmitting interface system combining time compression and multiplexing |
Nov. 13, 1979 |
| 4153849 |
Circuit for normalizing devices having current-controlled frequency response to predetermined I-F characteristic |
May. 8, 1979 |
| 4118600 |
Loudspeaker lower bass response using negative resistance and impedance loading |
Oct. 3, 1978 |
| 4091333 |
Transconductance amplifier circuit |
May. 23, 1978 |
| 4085379 |
Amplifier for floating voltage source |
Apr. 18, 1978 |
| 4037154 |
Circuit for calibrating instruments |
Jul. 19, 1977 |
| 3980966 |
Circuit arrangement for the receiving of binary direct current signals which are transmitted with low transmission voltage over galvanically connected lines |
Sep. 14, 1976 |
| 3974636 |
Booster circuit for a liquid crystal display device of a timepiece |
Aug. 17, 1976 |
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