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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 |
| 6011435 |
Transmission-line loss equalizing circuit |
Jan. 4, 2000 |
| 6008696 |
Low noise amplifier with actively terminated input |
Dec. 28, 1999 |
| 6008695 |
Input amplifier for input signals with steep edges |
Dec. 28, 1999 |
| 5999054 |
Differential amplifier circuit |
Dec. 7, 1999 |
| 5986502 |
Multi-stage high-performance amplifier |
Nov. 16, 1999 |
| 5977571 |
Low loss connecting arrangement for photodiodes |
Nov. 2, 1999 |
| 5978240 |
Fully differential voltage-current converter |
Nov. 2, 1999 |
| 5969573 |
Amplifier circuit with small offset voltage influence |
Oct. 19, 1999 |
| 5966046 |
Large swing wide band programmable active filter |
Oct. 12, 1999 |
| 5963092 |
High dynamic range low noise transconductance amplifier |
Oct. 5, 1999 |
| 5963064 |
Linear transfer voltage to current circuit |
Oct. 5, 1999 |
| 5959475 |
Complementary push-pull CMOS source follower analog video buffer |
Sep. 28, 1999 |
| 5953430 |
Filter circuit and audio signal processor provided therewith |
Sep. 14, 1999 |
| 5949284 |
CMOS buffer amplifier |
Sep. 7, 1999 |
| 5942942 |
Differential amplifier with double output stages |
Aug. 24, 1999 |
| 5917376 |
Circuit and technique for compensating high gain amplifier without compensation capacitors |
Jun. 29, 1999 |
| 5917377 |
Differential amplifier circuit |
Jun. 29, 1999 |
| 5917378 |
Rail-to-rail type of operational amplifier with a low offset voltage achieved by mixed compensation |
Jun. 29, 1999 |
| 5917379 |
Broadband linear transconductance amplifier with resistive pole-splitting compensation |
Jun. 29, 1999 |
| 5900780 |
Amplifier circuit for CMOS operational amplifier |
May. 4, 1999 |
| 5900779 |
Differential transimpedance amplifier |
May. 4, 1999 |
| 5894234 |
Differential comparator with fixed and controllable hysteresis |
Apr. 13, 1999 |
| 5889432 |
Two-stage differential microwave amplifier with bias current sharing and automatic gain control |
Mar. 30, 1999 |
| 5880610 |
Current-to-voltage converting device and light receiver |
Mar. 9, 1999 |
| 5880634 |
Wide band-width operational amplifier |
Mar. 9, 1999 |
| 5861778 |
Low noise amplifier structure |
Jan. 19, 1999 |
| 5854574 |
Reference buffer with multiple gain stages for large, controlled effective transconductance |
Dec. 29, 1998 |
| 5854573 |
Low-voltage multipath-miller-zero-compensated CMOs class-AB operational amplifier |
Dec. 29, 1998 |
| 5838199 |
Multi-stage high-performance amplifier |
Nov. 17, 1998 |
| 5838722 |
Monolithic transceiver including feedback control |
Nov. 17, 1998 |
| 5828242 |
Comparator with built-in hysteresis |
Oct. 27, 1998 |
| 5825244 |
Low power class AB integrated circuit amplifier having improved linearity when driving high impedance loads |
Oct. 20, 1998 |
| 5821812 |
Wideband amplifier using parallel feedback transistor |
Oct. 13, 1998 |
| 5815037 |
High-pass filter, particularly for canceling out the offset in a chain of amplifiers |
Sep. 29, 1998 |
| 5805019 |
Voltage gain amplifier for converting a single input to a differential output |
Sep. 8, 1998 |
| 5801553 |
Comparator with built-in hysteresis |
Sep. 1, 1998 |
| 5792956 |
Signal conditioning circuit apparatus and method |
Aug. 11, 1998 |
| 5789973 |
Resistorless operational transconductance amplifier circuit |
Aug. 4, 1998 |
| 5770968 |
Differential amplifier with proxy load for control of output common mode range |
Jun. 23, 1998 |
| 5767741 |
Self compensating differential circuit |
Jun. 16, 1998 |
| 5757232 |
High-impedance circuit having reduced stray capacitance |
May. 26, 1998 |
| 5734294 |
Large swing wide band high order programmable active filters |
Mar. 31, 1998 |
| 5729176 |
Linear differential gain stage |
Mar. 17, 1998 |
| 5719529 |
Operational amplifier and digital signal transfer circuit |
Feb. 17, 1998 |
| 5705951 |
Method for correction of error signals in a signal amplification system and an apparatus used for that purpose |
Jan. 6, 1998 |
| 5699016 |
Differential active filter of the second order |
Dec. 16, 1997 |
| 5686863 |
Tunable tone control circuit and a device and method for tuning the RC constants |
Nov. 11, 1997 |
| 5684431 |
Differential-input single-supply variable gain amplifier having linear-in-dB gain control |
Nov. 4, 1997 |
| 5684433 |
Dual-feedback amplifier circuit arrangements |
Nov. 4, 1997 |
| 5682120 |
Differential amplifier circuit using lateral-type bipolar transistors with back gates |
Oct. 28, 1997 |
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