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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 |
| 7453318 |
Operational amplifier for outputting high voltage output signal |
Nov. 18, 2008 |
| 7446606 |
Methods and apparatus to provide slew enhancement for low power amplifiers |
Nov. 4, 2008 |
| 7446610 |
Low voltage CMOS differential amplifier |
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 |
| 7352245 |
Auto-range current mirror circuit |
Apr. 1, 2008 |
| 7352243 |
Voltage comparator circuit |
Apr. 1, 2008 |
| 7345543 |
Fast transconductance amplifier |
Mar. 18, 2008 |
| 7342452 |
Control circuit for operational amplifier and method thereof |
Mar. 11, 2008 |
| 7339433 |
Differential amplifier stage |
Mar. 4, 2008 |
| 7336129 |
Analog amplitude detector |
Feb. 26, 2008 |
| 7323934 |
Operational transconductance amplifier |
Jan. 29, 2008 |
| 7323854 |
Zero cancellation in multiloop regulator control scheme |
Jan. 29, 2008 |
| 7323932 |
Silicon-on-insulator differential amplifier circuit |
Jan. 29, 2008 |
| 7301315 |
Power supplying method and apparatus including buffer circuit to control operation of output driver |
Nov. 27, 2007 |
| 7288994 |
Differential to single-ended converter |
Oct. 30, 2007 |
| 7285988 |
Comparator circuit with offset control |
Oct. 23, 2007 |
| 7279974 |
Fully differential large swing variable gain amplifier |
Oct. 9, 2007 |
| 7274256 |
Input amplifier stage in the AB class having a controlled bias current |
Sep. 25, 2007 |
| 7271654 |
Low voltage CMOS differential amplifier |
Sep. 18, 2007 |
| 7250819 |
Input tracking current mirror for a differential amplifier system |
Jul. 31, 2007 |
| 7248115 |
Differential amplifier operable in wide range |
Jul. 24, 2007 |
| 7248104 |
Operational amplifier |
Jul. 24, 2007 |
| 7233772 |
Adaptive radio transceiver with filtering |
Jun. 19, 2007 |
| 7230486 |
Low voltage CMOS differential amplifier |
Jun. 12, 2007 |
| 7227413 |
Audio amplification device with antipop circuitry |
Jun. 5, 2007 |
| 7221224 |
Differential amplifier circuit |
May. 22, 2007 |
| 7215199 |
Method and system for simplifying common mode feedback circuitry in multi-stage operational amplifiers |
May. 8, 2007 |
| 7209005 |
Class-AB amplifier for dual voltage supplies |
Apr. 24, 2007 |
| 7205840 |
Wideband CMOS gain stage |
Apr. 17, 2007 |
| 7200238 |
Acoustic signal level limiter |
Apr. 3, 2007 |
| 7193448 |
Wide dynamic range operational amplifier |
Mar. 20, 2007 |
| 7187235 |
Class AB rail-to-rail operational amplifier |
Mar. 6, 2007 |
| 7183852 |
Differential amplifying method and apparatus operable with a wide range input voltage |
Feb. 27, 2007 |
| 7183851 |
Differential dual port current conveyor circuit |
Feb. 27, 2007 |
| 7180371 |
Input amplifier with improved power supply rejection |
Feb. 20, 2007 |
| 7176760 |
CMOS class AB folded cascode operational amplifier for high-speed applications |
Feb. 13, 2007 |
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