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Class Information
Number: 330/260
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including differential amplifier > Having signal feedback means
Description: Subject matter wherein a portion of the electrical signal output energy is applied to the input of the amplifier.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5166635 |
Digital data line driver |
Nov. 24, 1992 |
| 5166637 |
Distortion cancellation amplifier system |
Nov. 24, 1992 |
| 5162749 |
Amplifier circuit having a feedback circuit |
Nov. 10, 1992 |
| 5159286 |
Negative feedback amplifier for driving capacitive load |
Oct. 27, 1992 |
| 5157347 |
Switching bridge amplifier |
Oct. 20, 1992 |
| 5155447 |
Multi-stage amplifier with capacitive nesting and multi-path forward feeding for frequency compensation |
Oct. 13, 1992 |
| 5153500 |
Constant-voltage generation circuit |
Oct. 6, 1992 |
| 5153499 |
Precision voltage controlled current source with variable compliance |
Oct. 6, 1992 |
| 5150073 |
Low-noise preamplifier stage, in particular for magnetic heads |
Sep. 22, 1992 |
| 5148119 |
Precise reference voltage generator for feedforward compensated amplifiers |
Sep. 15, 1992 |
| 5142243 |
Apparatus and method for an input stage of an operational amplifier |
Aug. 25, 1992 |
| 5140279 |
Slew rate enhanced linear amplifier |
Aug. 18, 1992 |
| 5126815 |
Position sensor and picture image input device |
Jun. 30, 1992 |
| 5121080 |
Amplifier with controlled output impedance |
Jun. 9, 1992 |
| 5117200 |
Compensation for a feedback amplifier with current output stage |
May. 26, 1992 |
| 5115206 |
Merged differential amplifier and current source |
May. 19, 1992 |
| 5111156 |
Current amplifier circuit |
May. 5, 1992 |
| 5097223 |
Current feedback audio power amplifier |
Mar. 17, 1992 |
| 5096303 |
Electronic circuit arrangement for temperature measurement based on a platinum resistor as a temperature sensing resistor |
Mar. 17, 1992 |
| 5075636 |
Differential amplifier with fast overdrive recovery |
Dec. 24, 1991 |
| 5075582 |
Integratable bandpass filter circuit |
Dec. 24, 1991 |
| 5075633 |
Instrumentation amplifier with single supply capacity and simplified gain equation |
Dec. 24, 1991 |
| 5072194 |
Differential amplifier with capacitive coupling |
Dec. 10, 1991 |
| 5070305 |
Device for converting unbalanced analog electric signals into fully differential signals |
Dec. 3, 1991 |
| 5065112 |
Amplification circuit with improved linearity |
Nov. 12, 1991 |
| 5065113 |
Multiple-amplifier control arrangement |
Nov. 12, 1991 |
| 5059919 |
Amplifying apparatus with a differential amplifier stage |
Oct. 22, 1991 |
| 5053718 |
Feedback control reducing signal distortion produced by differential amplifier stage |
Oct. 1, 1991 |
| 5045807 |
Amplifier circuit using feedback load |
Sep. 3, 1991 |
| 5028882 |
Multiple output operational amplifier |
Jul. 2, 1991 |
| 5010303 |
Balanced integrated circuit differential amplifier |
Apr. 23, 1991 |
| 5008523 |
Current measuring circuit with means for nullifying the effects of current source and lead resistance |
Apr. 16, 1991 |
| 4999584 |
Signal-shaping network |
Mar. 12, 1991 |
| 4994756 |
Circuit arrangement for amplifying a television signal |
Feb. 19, 1991 |
| 4990862 |
Output stage for solid-state image pick-up device |
Feb. 5, 1991 |
| 4987381 |
Tube sound solid-state amplifier |
Jan. 22, 1991 |
| 4973917 |
Output amplifier |
Nov. 27, 1990 |
| 4958133 |
CMOS complementary self-biased differential amplifier with rail-to-rail common-mode input-voltage range |
Sep. 18, 1990 |
| 4954769 |
CMOS voltage reference and buffer circuit |
Sep. 4, 1990 |
| 4939480 |
Method and apparatus for amplifying signals |
Jul. 3, 1990 |
| 4933643 |
Operational amplifier having improved digitally adjusted null offset |
Jun. 12, 1990 |
| 4931797 |
Folding circuit and serial-type A/D converter |
Jun. 5, 1990 |
| 4916408 |
Power stage with increased output dynamics |
Apr. 10, 1990 |
| 4893092 |
Operational amplifier circuit |
Jan. 9, 1990 |
| 4885548 |
Wideband amplifier |
Dec. 5, 1989 |
| 4876499 |
Differental voltage controlled exponential current source |
Oct. 24, 1989 |
| 4872209 |
Integratable amplifier circuit having frequency responsive negative feedback |
Oct. 3, 1989 |
| 4859962 |
Videoamplifier |
Aug. 22, 1989 |
| 4858094 |
Switched mode power supply with improved load regulation |
Aug. 15, 1989 |
| 4857861 |
Amplifier arrangement with improved quiescent current control |
Aug. 15, 1989 |
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