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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 |
| 7276969 |
Multi-amplifier circuit |
Oct. 2, 2007 |
| 7274256 |
Input amplifier stage in the AB class having a controlled bias current |
Sep. 25, 2007 |
| 7265624 |
Amplifier circuit |
Sep. 4, 2007 |
| 7262664 |
Circuit and method for controlling quiescent current of an amplifier |
Aug. 28, 2007 |
| 7256646 |
Neutralization techniques for differential low noise amplifiers |
Aug. 14, 2007 |
| 7250819 |
Input tracking current mirror for a differential amplifier system |
Jul. 31, 2007 |
| 7248117 |
Frequency compensation architecture for stable high frequency operation |
Jul. 24, 2007 |
| 7245169 |
Offset correcting method, offset correcting circuit, and electronic volume |
Jul. 17, 2007 |
| 7239204 |
Current shunt instrumentation amplifier with extended bipolar input common mode range |
Jul. 3, 2007 |
| 7233772 |
Adaptive radio transceiver with filtering |
Jun. 19, 2007 |
| 7233201 |
Single-ended pseudo-differential output driver |
Jun. 19, 2007 |
| 7233204 |
Method of acquiring low distortion and high linear characteristic in triode-typed transconductor |
Jun. 19, 2007 |
| 7227409 |
Apparatus for removing DC offset and amplifying signal with variable gain simultaneously |
Jun. 5, 2007 |
| 7227420 |
Transimpedance amplifier with a high gain/bandwidth product for conversion of a DAC output current |
Jun. 5, 2007 |
| 7224226 |
Amplifying device |
May. 29, 2007 |
| 7221218 |
MOSFET amplifier having feedback controlled transconductance |
May. 22, 2007 |
| 7215200 |
High-linearity differential amplifier with flexible common-mode range |
May. 8, 2007 |
| 7215194 |
Extended bandwidth amplifier and oscillator using positive current feedback through inductive load |
May. 8, 2007 |
| 7215197 |
Programmable gain instrumentation amplifier with improved gain multiplexers |
May. 8, 2007 |
| 7209007 |
Combined analog signal gain controller and equalizer |
Apr. 24, 2007 |
| 7205840 |
Wideband CMOS gain stage |
Apr. 17, 2007 |
| 7205839 |
High bandwidth apparatus and method for generating differential signals |
Apr. 17, 2007 |
| 7193468 |
Active load circuit for low-voltage CMOS voltage gain amplifier with wide bandwidth and high gain characteristic |
Mar. 20, 2007 |
| 7193466 |
Operational transconductance amplifier with DC offset elimination and low mismatch |
Mar. 20, 2007 |
| 7190217 |
System, method and apparatus for providing ground separation between different environments |
Mar. 13, 2007 |
| 7190227 |
Variable-gain amplifier having error amplifier with constant loop gain |
Mar. 13, 2007 |
| 7187236 |
Rail-to-rail differential input amplification stage with main and surrogate differential pairs |
Mar. 6, 2007 |
| 7184481 |
Audio reproducing apparatus and method |
Feb. 27, 2007 |
| 7183853 |
Feedback amplifier having amplified signal path and feedback signal path separated |
Feb. 27, 2007 |
| 7183848 |
Transconductance amplifier |
Feb. 27, 2007 |
| 7180369 |
Baseband filter start-up circuit |
Feb. 20, 2007 |
| 7173490 |
Apparatus and method for increasing a slew rate of an operational amplifier |
Feb. 6, 2007 |
| 7170348 |
Differential amplifying circuit |
Jan. 30, 2007 |
| 7167049 |
OP-amplifier with an offset voltage cancellation circuit |
Jan. 23, 2007 |
| 7154331 |
Adapting operational amplifier frequency response respective to closed loop gain |
Dec. 26, 2006 |
| 7142055 |
Buffer circuit and driver IC |
Nov. 28, 2006 |
| 7135923 |
Differential amplifier |
Nov. 14, 2006 |
| 7132894 |
Differential traveling wave driver amplifier |
Nov. 7, 2006 |
| 7126423 |
Differential difference amplifier for amplifying small signals close to zero volts |
Oct. 24, 2006 |
| 7126425 |
Voltage control circuit for common mode voltage and method for controlling the same |
Oct. 24, 2006 |
| 7119611 |
On-chip calibrated source termination for voltage mode driver and method of calibration thereof |
Oct. 10, 2006 |
| 7116172 |
High-swing folded cascode having a novel gain-boost amplifier |
Oct. 3, 2006 |
| 7113040 |
Differential amplifier |
Sep. 26, 2006 |
| 7113020 |
Capacitance multiplier circuit exhibiting improving bandwidth |
Sep. 26, 2006 |
| 7109799 |
Current-controlled CMOS wideband data amplifier circuits |
Sep. 19, 2006 |
| 7109797 |
Method and apparatus for measuring the common-mode component of a differential signal |
Sep. 19, 2006 |
| 7109795 |
Amplifier-mixer device |
Sep. 19, 2006 |
| 7109802 |
Bipolar differential to single ended transfer circuit with gain boost |
Sep. 19, 2006 |
| 7106136 |
Amplifier, data driver and display apparatus having the same |
Sep. 12, 2006 |
| 7102438 |
Autozeroing floating-gate amplifier |
Sep. 5, 2006 |
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