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Class Information
Number: 330/261
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including differential amplifier > Having particular biasing arrangement
Description: Subject matter with specific details or distinctive characteristics of the biasing means applied to the amplifying device.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7609112 |
Boosted tail-current circuit |
Oct. 27, 2009 |
| 7605657 |
Multi-mode amplifier arrangement and method for controlling an amplifier arrangement |
Oct. 20, 2009 |
| 7605658 |
Resistively loaded single stage differential amplifier having zero volt common mode input |
Oct. 20, 2009 |
| 7602249 |
Amplifier electronic circuit comprising a differential pair and a feedback system |
Oct. 13, 2009 |
| 7602250 |
Low noise AC differential amplifier with reduced low corner frequency and current consumption |
Oct. 13, 2009 |
| 7598807 |
Differential amplifier circuit, voltage regulator using the differential amplifier circuit, and method for controlling the differential amplifier circuit |
Oct. 6, 2009 |
| 7583752 |
Transmitter for outputting differential signals of different voltage levels |
Sep. 1, 2009 |
| 7583147 |
Buffer drive |
Sep. 1, 2009 |
| 7583142 |
Low skew differential amplifier using tail voltage reference and tail feedback |
Sep. 1, 2009 |
| 7579911 |
Semiconductor circuit |
Aug. 25, 2009 |
| 7576608 |
Amplifier circuit with voltage interpolation function |
Aug. 18, 2009 |
| 7576610 |
Operational amplifier of class AB |
Aug. 18, 2009 |
| 7573334 |
Bias control circuitry for amplifiers and related systems and methods of operation |
Aug. 11, 2009 |
| 7567123 |
Adaptive bias current circuit and method for amplifiers |
Jul. 28, 2009 |
| 7567124 |
Symmetrical differential amplifier |
Jul. 28, 2009 |
| 7567628 |
Symmetric differential slicer |
Jul. 28, 2009 |
| 7564309 |
Wide input common mode for input bias current cancellation |
Jul. 21, 2009 |
| 7554376 |
Offset correcting method, offset correcting circuit, and electronic volume |
Jun. 30, 2009 |
| 7554402 |
High CMR amplifier topology |
Jun. 30, 2009 |
| 7554404 |
Method and system for a low noise amplifier with tolerance to large inputs |
Jun. 30, 2009 |
| 7554405 |
Adaptive biasing input stage and amplifiers including the same |
Jun. 30, 2009 |
| 7551030 |
Two-stage operational amplifier with class AB output stage |
Jun. 23, 2009 |
| 7548113 |
Apparatus, amplifier, system and method for receiver equalization |
Jun. 16, 2009 |
| 7545216 |
Amplifier with current mirror bias adjust |
Jun. 9, 2009 |
| 7541872 |
Startup circuit for subregulated amplifier |
Jun. 2, 2009 |
| 7541870 |
Cross-coupled low noise amplifier for cellular applications |
Jun. 2, 2009 |
| 7538616 |
Wideband low distortion/low power |
May. 26, 2009 |
| 7535302 |
Operational amplifier and display device |
May. 19, 2009 |
| 7532069 |
Differential amplifying circuit |
May. 12, 2009 |
| 7525381 |
Amplifier structures that enhance transient currents and signal swing |
Apr. 28, 2009 |
| 7525382 |
Multi-level slew and swing control buffer |
Apr. 28, 2009 |
| 7525383 |
Differential amplifier |
Apr. 28, 2009 |
| 7522003 |
Constant margin CMOS biasing circuit |
Apr. 21, 2009 |
| 7522000 |
Design structure for a serial link output stage differential amplifier |
Apr. 21, 2009 |
| 7521997 |
Low-power variable gain amplifier |
Apr. 21, 2009 |
| 7499677 |
Low voltage differential signaling transceiver |
Mar. 3, 2009 |
| 7492223 |
Method and system for a highly efficient power amplifier utilizing dynamic biasing and predistortion |
Feb. 17, 2009 |
| 7492226 |
Linearization apparatus of triode region type operational transconductance amplifier |
Feb. 17, 2009 |
| 7482872 |
Methods and apparatus for process invariant transconductance |
Jan. 27, 2009 |
| 7466198 |
Differential gain boosted amplifier |
Dec. 16, 2008 |
| 7459975 |
Baseband filter start-up circuit |
Dec. 2, 2008 |
| 7453317 |
Apparatus and method for reducing flicker noise of CMOS amplifier |
Nov. 18, 2008 |
| 7449949 |
Data amplifying circuit controllable with swing level according to operation mode and output driver including the same |
Nov. 11, 2008 |
| 7443240 |
AM intermediate frequency variable gain amplifier circuit, variable gain amplifier circuit and its semiconductor integrated circuit |
Oct. 28, 2008 |
| 7425867 |
Differential input/differential output converter circuit |
Sep. 16, 2008 |
| 7423486 |
Silicon-on-insulator differential amplifier circuit |
Sep. 9, 2008 |
| 7414472 |
Differential amplifying circuit |
Aug. 19, 2008 |
| 7414474 |
Operational amplifier |
Aug. 19, 2008 |
| 7414475 |
Linearity-improved differential amplification circuit |
Aug. 19, 2008 |
| 7411452 |
Low DC power rail-to-rail buffer amplifier for liquid crystal display application |
Aug. 12, 2008 |
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