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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 |
| 7429882 |
AC-DC input buffer |
Sep. 30, 2008 |
| 7423457 |
Fast settling current steering circuit |
Sep. 9, 2008 |
| 7423479 |
Offset canceller for compensating for offset in signal output |
Sep. 9, 2008 |
| 7423482 |
Circuit configuration having a feedback operational amplifier |
Sep. 9, 2008 |
| 7420423 |
Active balun device |
Sep. 2, 2008 |
| 7414464 |
Op driver with the function of canceling op offset |
Aug. 19, 2008 |
| 7414467 |
Circuit configuration having a feedback, fully-differential operational amplifier |
Aug. 19, 2008 |
| 7411453 |
Tail-current steering circuit and method for rail-to-rail operational amplifier input stage |
Aug. 12, 2008 |
| 7405625 |
Common-mode control structures and signal converter systems for use therewith |
Jul. 29, 2008 |
| 7405623 |
Sensing circuit |
Jul. 29, 2008 |
| 7403067 |
Compensation circuit for amplifiers having multiple stages |
Jul. 22, 2008 |
| 7400203 |
Circuit with Q-enhancement cell having feedback loop |
Jul. 15, 2008 |
| 7397307 |
Amplifier arrangement having an adjustable gain, and use thereof |
Jul. 8, 2008 |
| 7391265 |
Amplifier unit and optical disc drive |
Jun. 24, 2008 |
| 7391260 |
Variable gain amplifier and variable gain amplifier module |
Jun. 24, 2008 |
| 7389087 |
Adaptive radio transceiver with filtering |
Jun. 17, 2008 |
| 7378905 |
Differential driver circuit |
May. 27, 2008 |
| 7375586 |
Low voltage structure for gain boosting in high gain amplifiers |
May. 20, 2008 |
| 7372329 |
Method and apparatus to remove the DC component of a feedback signal |
May. 13, 2008 |
| 7368989 |
High bandwidth apparatus and method for generating differential signals |
May. 6, 2008 |
| 7368987 |
Circuit configuration having a feedback operational amplifier |
May. 6, 2008 |
| 7368982 |
Balanced output circuit and electronic apparatus utilizing the same |
May. 6, 2008 |
| 7365600 |
Non-feedback implemented control of the output-common mode of a differential amplifier |
Apr. 29, 2008 |
| 7358810 |
Buffer amplifier |
Apr. 15, 2008 |
| 7348851 |
Miller-compensated amplifier |
Mar. 25, 2008 |
| 7348911 |
Common mode management between a current-steering DAC and transconductance filter in a transmission system |
Mar. 25, 2008 |
| 7342449 |
Differential amplifier, and data driver of display device using the same |
Mar. 11, 2008 |
| 7342450 |
Slew rate enhancement circuitry for folded cascode amplifier |
Mar. 11, 2008 |
| 7339429 |
Adjusting methods of arithmetic multiplying circuit, drive circuit, and phase margin |
Mar. 4, 2008 |
| 7327166 |
Reference buffer with improved drift |
Feb. 5, 2008 |
| 7327189 |
Differential structure programmable gain instrumentation amplifier |
Feb. 5, 2008 |
| 7327193 |
Method for setting an amplifier, and corresponding amplifier circuit |
Feb. 5, 2008 |
| 7315210 |
Differential operational amplifier |
Jan. 1, 2008 |
| 7312660 |
Differential amplifier and active load for the same |
Dec. 25, 2007 |
| 7312659 |
Multi-amplifier circuit |
Dec. 25, 2007 |
| 7310018 |
Method and apparatus providing input buffer design using common-mode feedback |
Dec. 18, 2007 |
| 7301394 |
Impedance matched variable gain low noise amplifier using shunt feed-back |
Nov. 27, 2007 |
| 7298210 |
Fast settling, low noise, low offset operational amplifier and method |
Nov. 20, 2007 |
| 7295071 |
High speed, high DC gain and wide dynamic range amplifier |
Nov. 13, 2007 |
| 7295072 |
Amplifier circuit |
Nov. 13, 2007 |
| 7292099 |
Amplifier arrangement and method for operation of an amplifier arrangement |
Nov. 6, 2007 |
| 7288990 |
Reference buffer with dynamic current control |
Oct. 30, 2007 |
| 7282991 |
On-chip amplifier/line driver compensation circuit |
Oct. 16, 2007 |
| 7276969 |
Multi-amplifier circuit |
Oct. 2, 2007 |
| 7274256 |
Input amplifier stage in the AB class having a controlled bias current |
Sep. 25, 2007 |
| 7265624 |
Amplifier circuit |
Sep. 4, 2007 |
| 7262664 |
Circuit and method for controlling quiescent current of an amplifier |
Aug. 28, 2007 |
| 7256646 |
Neutralization techniques for differential low noise amplifiers |
Aug. 14, 2007 |
| 7250819 |
Input tracking current mirror for a differential amplifier system |
Jul. 31, 2007 |
| 7248117 |
Frequency compensation architecture for stable high frequency operation |
Jul. 24, 2007 |
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