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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 |
| 6792121 |
Audio signal amplifier circuit and portable telephone set and portable electronic device using the same audio signal amplifier circuit |
Sep. 14, 2004 |
| 6784734 |
All digital transistor high gain operational amplifier using positive feedback technique |
Aug. 31, 2004 |
| 6774721 |
High speed logic circuits |
Aug. 10, 2004 |
| 6768393 |
Circuit and method for calibrating resistors for active termination resistance, and memory chip having the circuit |
Jul. 27, 2004 |
| 6762596 |
Constant voltage circuit and infrared remote control receiver using the same |
Jul. 13, 2004 |
| 6753733 |
Amplifier circuit and method for reducing stray feedback |
Jun. 22, 2004 |
| 6750716 |
Class AB operational amplifier having high gain and low settling time |
Jun. 15, 2004 |
| 6750712 |
Method and apparatus for voltage clamping in feedback amplifiers using resistors |
Jun. 15, 2004 |
| 6744308 |
System and method for establishing the input impedance of an amplifier in a stacked configuration |
Jun. 1, 2004 |
| 6741132 |
Low noise level differential amplifier |
May. 25, 2004 |
| 6737920 |
Variable gain amplifier |
May. 18, 2004 |
| 6734737 |
Output distortion correction amplifier system |
May. 11, 2004 |
| 6734736 |
Low power variable gain amplifier |
May. 11, 2004 |
| 6731150 |
Amplifiers with variable swing control |
May. 4, 2004 |
| 6728373 |
Differential output stage for electronic equipment providing a remote power feed to a terminal |
Apr. 27, 2004 |
| 6724258 |
Highly-linear, wide-input-range, wide control-range, low-voltage differential voltage controlled transconductor |
Apr. 20, 2004 |
| 6720830 |
Low-power, differential optical receiver in silicon on insulator |
Apr. 13, 2004 |
| 6710656 |
High gain amplifier circuits and their applications |
Mar. 23, 2004 |
| 6707339 |
Controlled bias current buffer and method thereof |
Mar. 16, 2004 |
| 6707340 |
Compensation technique and method for transconductance amplifier |
Mar. 16, 2004 |
| 6667658 |
Compact variable gain amplifier |
Dec. 23, 2003 |
| 6667842 |
Negative feedback impedance matched preamplifier |
Dec. 23, 2003 |
| 6661288 |
Apparatus for effecting high speed switching of a communication signal |
Dec. 9, 2003 |
| 6661286 |
Variable gain amplifier |
Dec. 9, 2003 |
| 6650183 |
Amplifier apparatus for an output stage of a laser driver circuit |
Nov. 18, 2003 |
| 6642791 |
Self-biased amplifier circuit and method for self-basing amplifier circuit |
Nov. 4, 2003 |
| 6639467 |
Alternating current derived from direct current |
Oct. 28, 2003 |
| 6636116 |
Fully differential current feedback amplifier |
Oct. 21, 2003 |
| 6633191 |
Clock buffer with DC offset suppression |
Oct. 14, 2003 |
| 6624699 |
Current-controlled CMOS wideband data amplifier circuits |
Sep. 23, 2003 |
| 6617922 |
Differential difference amplifier for amplifying small signals close to zero volts |
Sep. 9, 2003 |
| 6605992 |
Offset error in linear feedback loops corrected by loop replication |
Aug. 12, 2003 |
| 6600371 |
Low noise amplifier |
Jul. 29, 2003 |
| 6600373 |
Method and circuit for tuning a transconductance amplifier |
Jul. 29, 2003 |
| 6593811 |
Nonlinear feedback linearizer |
Jul. 15, 2003 |
| 6590452 |
High DC gain cascode amplifier stage with low noise performance |
Jul. 8, 2003 |
| 6580325 |
Amplifier with miller-effect frequency compensation |
Jun. 17, 2003 |
| 6573779 |
Duty cycle integrator with tracking common mode feedback control |
Jun. 3, 2003 |
| 6567472 |
System and method for terminating a line by reflecting a scaled impedance |
May. 20, 2003 |
| 6566949 |
Highly linear high-speed transconductance amplifier for Gm-C filters |
May. 20, 2003 |
| 6559692 |
Output driver for a 10baset/100basetx ethernet physical layer line interface |
May. 6, 2003 |
| 6559724 |
Techniques for enhancing gain in a quasi-optic grid array |
May. 6, 2003 |
| 6552605 |
Differential transimpedance amplifier for optical communication |
Apr. 22, 2003 |
| 6549070 |
High gain amplifier with current limited positive feedback |
Apr. 15, 2003 |
| 6545620 |
Current-to-voltage converter with controllable gain, and signal processing circuit comprising such a converter |
Apr. 8, 2003 |
| 6531920 |
Differential amplifier circuit |
Mar. 11, 2003 |
| 6529075 |
Amplifier with suppression of harmonics |
Mar. 4, 2003 |
| 6525608 |
High gain, high bandwidth, fully differential amplifier |
Feb. 25, 2003 |
| 6501332 |
Apparatus and method for electrical signal amplification |
Dec. 31, 2002 |
| 6492876 |
Low power analog equalizer with variable op-amp gain |
Dec. 10, 2002 |
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