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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 |
| 7619478 |
Operational amplifier having its compensator capacitance temporarily disabled |
Nov. 17, 2009 |
| 7605657 |
Multi-mode amplifier arrangement and method for controlling an amplifier arrangement |
Oct. 20, 2009 |
| 7598811 |
Current-controlled CMOS (C3MOS) fully differential integrated wideband amplifier/equalizer with adjustable gain and frequency response without additional power or loading |
Oct. 6, 2009 |
| 7592848 |
Offset adjusting apparatus |
Sep. 22, 2009 |
| 7592870 |
Low noise, low power, high linearity differential amplifier with a capacitive input impedance |
Sep. 22, 2009 |
| 7583146 |
Balanced differential cross-coupled transconductance amplifier for a multiplexor |
Sep. 1, 2009 |
| 7576603 |
Arrangement for canceling offset of an operational amplifier |
Aug. 18, 2009 |
| 7576610 |
Operational amplifier of class AB |
Aug. 18, 2009 |
| 7570188 |
Common mode management between a current-steering DAC and transconductance filter in a transmission system |
Aug. 4, 2009 |
| 7560991 |
Dynamically compensated operational amplifier |
Jul. 14, 2009 |
| 7560988 |
Integrated circuit system for line regulation of an amplifier |
Jul. 14, 2009 |
| 7554403 |
Gainboost biasing circuit for low voltage operational amplifier design |
Jun. 30, 2009 |
| 7554376 |
Offset correcting method, offset correcting circuit, and electronic volume |
Jun. 30, 2009 |
| 7551023 |
Amplifier with low pass filter feedback |
Jun. 23, 2009 |
| 7548113 |
Apparatus, amplifier, system and method for receiver equalization |
Jun. 16, 2009 |
| 7538615 |
Differential feedback amplifier circuit with cross coupled capacitors |
May. 26, 2009 |
| 7535301 |
Multi-amplifier circuit |
May. 19, 2009 |
| 7532072 |
Method to control the output common mode in a differential OPAMP with rail-to-rail input stage |
May. 12, 2009 |
| 7528659 |
Fully differential amplification device |
May. 5, 2009 |
| 7521999 |
Differential amplifier and sampling and holding circuit |
Apr. 21, 2009 |
| 7514999 |
Voltage-to-current converter |
Apr. 7, 2009 |
| 7508259 |
Differential amplifier and data driver for display |
Mar. 24, 2009 |
| 7508264 |
DC-couples RF multi-stage amplifier |
Mar. 24, 2009 |
| 7504880 |
Amplifier circuit |
Mar. 17, 2009 |
| 7504889 |
Circuit for providing a signal boost |
Mar. 17, 2009 |
| 7501890 |
Multi-amplifier circuit |
Mar. 10, 2009 |
| 7501893 |
Variable gain amplifier circuit |
Mar. 10, 2009 |
| 7495511 |
Input system for a variable gain amplifier having class-AB transconductance stages |
Feb. 24, 2009 |
| 7495512 |
Differential amplifier, data driver and display device |
Feb. 24, 2009 |
| 7495514 |
Low noise amplifier |
Feb. 24, 2009 |
| 7489195 |
Variable gain amplifying circuit |
Feb. 10, 2009 |
| 7482871 |
CMOS amplifier of filter for ultra wideband application and method of the same |
Jan. 27, 2009 |
| 7477103 |
Amplifier circuit |
Jan. 13, 2009 |
| 7474154 |
Bias device clamping circuit for fast over-range recovery |
Jan. 6, 2009 |
| 7471149 |
Multi-amplifier circuit |
Dec. 30, 2008 |
| 7468633 |
Multi-amplifier circuit |
Dec. 23, 2008 |
| 7466199 |
Low noise amplifier with low current consumption |
Dec. 16, 2008 |
| 7459967 |
Differential amplifier, digital-to-analog converter and display device |
Dec. 2, 2008 |
| 7459975 |
Baseband filter start-up circuit |
Dec. 2, 2008 |
| 7449953 |
Input buffer design using common-mode feedback (CMFB) |
Nov. 11, 2008 |
| 7446611 |
Fully differential amplifier device with output-common-mode feedback and control method thereof |
Nov. 4, 2008 |
| 7443237 |
Folded cascode amplifier having improved slew performance |
Oct. 28, 2008 |
| 7436262 |
Highly linear variable gain amplifier |
Oct. 14, 2008 |
| 7436216 |
Method and apparatus for a direct current (DC) coupled input buffer |
Oct. 14, 2008 |
| 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 |
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