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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 |
| 7102436 |
Apparatus and method for increasing a slew rate of an operational amplifier |
Sep. 5, 2006 |
| 7098735 |
Reference buffer with dynamic current control |
Aug. 29, 2006 |
| 7091773 |
Limiting circuit with level limited feedback |
Aug. 15, 2006 |
| 7091789 |
Output circuit |
Aug. 15, 2006 |
| 7088179 |
Single-ended input, differential output low noise amplifier |
Aug. 8, 2006 |
| 7071781 |
High speed, high resolution amplifier topology |
Jul. 4, 2006 |
| 7071772 |
Differential amplifier |
Jul. 4, 2006 |
| 7057457 |
Low-noise amplifying circuit |
Jun. 6, 2006 |
| 7023266 |
Device and method for nullifying offset voltages in operational amplifiers |
Apr. 4, 2006 |
| 7023267 |
Switching power amplifier using a frequency translating delta sigma modulator |
Apr. 4, 2006 |
| 7020216 |
Method for adjusting a phase angle of a phase modifier of a transmitting device |
Mar. 28, 2006 |
| 7015757 |
Transconductance amplifier with multi-emitter structure for current balance in a multi-phase regulator |
Mar. 21, 2006 |
| 7012466 |
Voltage-to-current converter |
Mar. 14, 2006 |
| 7005924 |
Current limiting circuit with rapid response feedback loop |
Feb. 28, 2006 |
| 7002409 |
Compensation circuit for amplifiers having multiple stages |
Feb. 21, 2006 |
| 7002412 |
Transconductance circuit |
Feb. 21, 2006 |
| 6998917 |
Common-mode feedback circuit and differential operational amplifier circuit having stable operation and low power consumption |
Feb. 14, 2006 |
| 6985038 |
Operational amplifier generating desired feedback reference voltage allowing improved output characteristic |
Jan. 10, 2006 |
| 6980050 |
Differential amplifier and comparator using the same |
Dec. 27, 2005 |
| 6975170 |
Adaptive amplifier output common mode voltage adjustment |
Dec. 13, 2005 |
| 6963246 |
Wideband amplifier |
Nov. 8, 2005 |
| 6946909 |
Impedance matched low noise amplifier |
Sep. 20, 2005 |
| 6927631 |
Wideband CMOS gain stage |
Aug. 9, 2005 |
| 6925106 |
Predistortion type distortion compensation apparatus |
Aug. 2, 2005 |
| 6919767 |
Circuit arrangement for low-noise fully differential amplification |
Jul. 19, 2005 |
| 6914479 |
Differential amplifier with DC offset cancellation |
Jul. 5, 2005 |
| 6906588 |
Variable-gain differential input and output amplifier |
Jun. 14, 2005 |
| 6906593 |
Frequency compensation of wide-band resistive gain amplifier |
Jun. 14, 2005 |
| 6891437 |
Current amplifier structure |
May. 10, 2005 |
| 6885250 |
Cascode amplifier circuit for generating and maintaining a fast, stable and accurate bit line voltage |
Apr. 26, 2005 |
| 6885245 |
Differential amplifier and comparator using the same |
Apr. 26, 2005 |
| 6882218 |
Transimpedance amplifier and offset correction mechanism and method for lowering noise |
Apr. 19, 2005 |
| 6873209 |
Input buffer circuit having function of canceling offset voltage |
Mar. 29, 2005 |
| 6873206 |
Charge amplifier device having fully integrated DC stabilization |
Mar. 29, 2005 |
| 6870696 |
CMOS low-noise MR read head pre-amplifier circuit |
Mar. 22, 2005 |
| 6867653 |
Apparatus and method for converting a fully-differential class-AB input signal to a rail-to-rail single ended output signal |
Mar. 15, 2005 |
| 6836185 |
High-speed electro-optical modulator drivers and method |
Dec. 28, 2004 |
| 6828856 |
Amplifier gain boost circuitry and method |
Dec. 7, 2004 |
| 6825724 |
Amplifier and method for processing signals |
Nov. 30, 2004 |
| 6822514 |
Amplifier with miller-effect compensation for use in closed loop system such as low dropout voltage regulator |
Nov. 23, 2004 |
| 6812784 |
Amplifier common-mode feedback systems for use with switched-capacitor structures |
Nov. 2, 2004 |
| 6812796 |
Inter-stage coupling in multistage amplifiers |
Nov. 2, 2004 |
| 6809589 |
Low voltage large swing/high linearity analog buffer with servo amplifier and feedback loop |
Oct. 26, 2004 |
| 6806776 |
Transconductor tuning circuit |
Oct. 19, 2004 |
| 6803795 |
Comparator circuit |
Oct. 12, 2004 |
| 6803820 |
Apparatus and method for reducing common-mode current in differential link |
Oct. 12, 2004 |
| 6801087 |
Integrated circuit with an analog amplifier |
Oct. 5, 2004 |
| 6798291 |
Variable gain current amplifier with a feedback loop including a differential pair |
Sep. 28, 2004 |
| 6798285 |
Amplifier improvements |
Sep. 28, 2004 |
| 6791415 |
Integrated circuit arrangement with a transconductance amplifier |
Sep. 14, 2004 |
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