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Class Information
Number: 330/257
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including differential amplifier > Having current mirror amplifier
Description: Subject matter wherein an amplifier having a gain which is substantially independent of the individual common emitter forward current gains of its component transistor, is utilized.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7602247 |
Variable gain amplifier and AC power supply device using the same |
Oct. 13, 2009 |
| 7602248 |
Power amplifier and its idling current setting circuit |
Oct. 13, 2009 |
| 7586373 |
Fully differential class AB amplifier and amplifying method using single-ended, two-stage amplifier |
Sep. 8, 2009 |
| 7583147 |
Buffer drive |
Sep. 1, 2009 |
| 7576610 |
Operational amplifier of class AB |
Aug. 18, 2009 |
| 7567124 |
Symmetrical differential amplifier |
Jul. 28, 2009 |
| 7564309 |
Wide input common mode for input bias current cancellation |
Jul. 21, 2009 |
| 7557659 |
Slew-enhanced input stages and amplifiers |
Jul. 7, 2009 |
| 7554405 |
Adaptive biasing input stage and amplifiers including the same |
Jun. 30, 2009 |
| 7548045 |
Low-consumption voltage regulator |
Jun. 16, 2009 |
| 7545214 |
Class AB rail-to-rail input and output operational amplifier |
Jun. 9, 2009 |
| 7545216 |
Amplifier with current mirror bias adjust |
Jun. 9, 2009 |
| 7545213 |
Operational amplifier |
Jun. 9, 2009 |
| 7541871 |
Operational transconductance amplifier (OTA) |
Jun. 2, 2009 |
| 7541872 |
Startup circuit for subregulated amplifier |
Jun. 2, 2009 |
| 7538614 |
Differential amplifier with independent output common mode adjustment |
May. 26, 2009 |
| 7528654 |
Analog transconductance amplifier |
May. 5, 2009 |
| 7525379 |
Low voltage CMOS differential amplifier |
Apr. 28, 2009 |
| 7525346 |
Driver circuits and methods |
Apr. 28, 2009 |
| 7521998 |
Operational amplifier and scanning electron microscope using the same |
Apr. 21, 2009 |
| 7508265 |
Rail-to-rail class-AB operational amplifier |
Mar. 24, 2009 |
| 7492225 |
Gain-controlled amplifier |
Feb. 17, 2009 |
| 7486140 |
Differential amplifier |
Feb. 3, 2009 |
| 7479832 |
Differential amplifying system |
Jan. 20, 2009 |
| 7479831 |
Class AB differential current conveyor input stage for a fully differential current feedback amplifier |
Jan. 20, 2009 |
| 7477103 |
Amplifier circuit |
Jan. 13, 2009 |
| 7471150 |
Class AB folded cascode stage and method for low noise, low power, low-offset operational amplifier |
Dec. 30, 2008 |
| 7466200 |
Composite output stage for hard disk drive preamplifier |
Dec. 16, 2008 |
| 7466198 |
Differential gain boosted amplifier |
Dec. 16, 2008 |
| 7463094 |
Linearized class AB biased differential input stage |
Dec. 9, 2008 |
| 7453318 |
Operational amplifier for outputting high voltage output signal |
Nov. 18, 2008 |
| 7446610 |
Low voltage CMOS differential amplifier |
Nov. 4, 2008 |
| 7446606 |
Methods and apparatus to provide slew enhancement for low power amplifiers |
Nov. 4, 2008 |
| 7443234 |
Differential amplifier, digital-to-analog converter and display device |
Oct. 28, 2008 |
| 7443238 |
Amplifier stage, operational amplifier and method for amplifying a signal |
Oct. 28, 2008 |
| 7443239 |
Differential amplifier, data driver and display device |
Oct. 28, 2008 |
| 7436261 |
Operational amplifier |
Oct. 14, 2008 |
| 7425867 |
Differential input/differential output converter circuit |
Sep. 16, 2008 |
| 7423486 |
Silicon-on-insulator differential amplifier circuit |
Sep. 9, 2008 |
| 7414473 |
Class AB folded-cascode amplifier having cascode compensation |
Aug. 19, 2008 |
| 7411453 |
Tail-current steering circuit and method for rail-to-rail operational amplifier input stage |
Aug. 12, 2008 |
| 7405620 |
Differential amplifier and method |
Jul. 29, 2008 |
| 7402984 |
Oscillation sensor for linear regulation circuit |
Jul. 22, 2008 |
| 7391404 |
Thin film transistor circuit and semiconductor display device using the same |
Jun. 24, 2008 |
| 7389087 |
Adaptive radio transceiver with filtering |
Jun. 17, 2008 |
| 7388432 |
Current feedback amplifier with extended common mode input range |
Jun. 17, 2008 |
| 7368990 |
Differential amplifier and data driver employing the differential amplifier |
May. 6, 2008 |
| 7358812 |
Class AB operational buffer |
Apr. 15, 2008 |
| 7352243 |
Voltage comparator circuit |
Apr. 1, 2008 |
| 7352245 |
Auto-range current mirror circuit |
Apr. 1, 2008 |
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