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Class Information
Number: 330/255
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including differential amplifier > Having push-pull amplifier stage
Description: Subject matter including an amplifier which has two identical signal branches connected so as to operate in phase opposition and with input and output connections, each balanced to ground.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7453318 |
Operational amplifier for outputting high voltage output signal |
Nov. 18, 2008 |
| 7449950 |
Analog signal processing circuit |
Nov. 11, 2008 |
| 7449951 |
Low voltage operational amplifier |
Nov. 11, 2008 |
| 7449952 |
Amplifying circuit having a pull-up circuit and a pull-down circuit for increasing slew rate |
Nov. 11, 2008 |
| 7446607 |
Regulated cascode circuit, an amplifier including the same, and method of regulating a cascode circuit |
Nov. 4, 2008 |
| 7432922 |
Source driver and source driving method |
Oct. 7, 2008 |
| 7429972 |
High slew-rate amplifier circuit for TFT-LCD system |
Sep. 30, 2008 |
| 7414474 |
Operational amplifier |
Aug. 19, 2008 |
| 7414473 |
Class AB folded-cascode amplifier having cascode compensation |
Aug. 19, 2008 |
| 7405622 |
Operational amplifier with less offset |
Jul. 29, 2008 |
| 7358812 |
Class AB operational buffer |
Apr. 15, 2008 |
| 7352243 |
Voltage comparator circuit |
Apr. 1, 2008 |
| 7348848 |
Buffer amplifier for source driver |
Mar. 25, 2008 |
| 7342449 |
Differential amplifier, and data driver of display device using the same |
Mar. 11, 2008 |
| 7339441 |
Circuit and method for quickly turning off MOS device |
Mar. 4, 2008 |
| 7339429 |
Adjusting methods of arithmetic multiplying circuit, drive circuit, and phase margin |
Mar. 4, 2008 |
| 7339427 |
Analogue power control in a saturated amplifier |
Mar. 4, 2008 |
| 7330074 |
Differential amplifier with cascade control |
Feb. 12, 2008 |
| 7321752 |
Linear amplification arrangement with non-linear amplifier element for a mobile radio device |
Jan. 22, 2008 |
| 7312598 |
Capacitor free low drop out regulator |
Dec. 25, 2007 |
| 7295069 |
Differential amplifier circuit capable of reducing current consumption |
Nov. 13, 2007 |
| 7274256 |
Input amplifier stage in the AB class having a controlled bias current |
Sep. 25, 2007 |
| 7271630 |
Push-pull buffer amplifier and source driver |
Sep. 18, 2007 |
| 7271653 |
Amplifier with a voltage-controlled quiescent current and output current |
Sep. 18, 2007 |
| 7253685 |
Class AB amplifier having adjustable quiescent current and output current |
Aug. 7, 2007 |
| 7224227 |
Apparatus and method for correction of error caused by reverse saturation current mismatch |
May. 29, 2007 |
| 7215201 |
Integrated circuit having a low power, gain-enhanced, low noise amplifying circuit |
May. 8, 2007 |
| 7209005 |
Class-AB amplifier for dual voltage supplies |
Apr. 24, 2007 |
| 7193425 |
Semiconductor test device |
Mar. 20, 2007 |
| 7187235 |
Class AB rail-to-rail operational amplifier |
Mar. 6, 2007 |
| 7183850 |
Switchable operational amplifier circuit |
Feb. 27, 2007 |
| 7173490 |
Apparatus and method for increasing a slew rate of an operational amplifier |
Feb. 6, 2007 |
| 7170351 |
Differential AB class amplifier circuit and drive circuit using the same |
Jan. 30, 2007 |
| 7170347 |
Offset trim circuit and method for a constant-transconductance rail-to-rail CMOS input circuit |
Jan. 30, 2007 |
| 7167050 |
Operational amplifier having large output current with low supply voltage |
Jan. 23, 2007 |
| 7164317 |
Apparatus and method for a low-voltage class AB amplifier with split cascode |
Jan. 16, 2007 |
| 7161431 |
Class B amplifier with process variation independent deadband |
Jan. 9, 2007 |
| 7154333 |
Amplifier for inductive loads |
Dec. 26, 2006 |
| 7154332 |
Differential amplifier, data driver and display device |
Dec. 26, 2006 |
| 7135927 |
Ultra fast, low noise operational amplifier with dynamic biasing |
Nov. 14, 2006 |
| 7123730 |
Audio power amplifying apparatus and method |
Oct. 17, 2006 |
| 7119611 |
On-chip calibrated source termination for voltage mode driver and method of calibration thereof |
Oct. 10, 2006 |
| 7119616 |
Method and apparatus for a fully differential amplifier output stage |
Oct. 10, 2006 |
| 7113041 |
Operational amplifier |
Sep. 26, 2006 |
| 7106136 |
Amplifier, data driver and display apparatus having the same |
Sep. 12, 2006 |
| 7102436 |
Apparatus and method for increasing a slew rate of an operational amplifier |
Sep. 5, 2006 |
| 7102433 |
Boosting circuit |
Sep. 5, 2006 |
| 7098736 |
Amplifier circuit |
Aug. 29, 2006 |
| 7091787 |
Transconductance amplifier with temperature sensitive current limiting |
Aug. 15, 2006 |
| 7088178 |
High-gain, bulk-driven operational amplifiers for system-on-chip applications |
Aug. 8, 2006 |
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