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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 |
| 5666087 |
Active resistor for stability compensation |
Sep. 9, 1997 |
| 5650652 |
Input/output protection circuit and semiconductor device having the same |
Jul. 22, 1997 |
| 5642079 |
Amplifier with pole/zero compensation |
Jun. 24, 1997 |
| 5638026 |
High input impedance circuit and semiconductor integrated device provided therewith |
Jun. 10, 1997 |
| 5638087 |
Dot matrix type liquid crystal display apparatus |
Jun. 10, 1997 |
| 5635874 |
Stable distortion amplifier for audio signals |
Jun. 3, 1997 |
| 5635880 |
CMOS microwave multiphase voltage controlled oscillator |
Jun. 3, 1997 |
| 5627494 |
High side current sense amplifier |
May. 6, 1997 |
| 5625320 |
Differential preamplifier and pre-emphasis network |
Apr. 29, 1997 |
| 5625318 |
Differential amplifier having a double differential amplifier pair with interconnected control electrodes |
Apr. 29, 1997 |
| 5625566 |
Configuration dependent auto-biasing of bipolar transistor |
Apr. 29, 1997 |
| 5621357 |
Class AB output amplifier stage |
Apr. 15, 1997 |
| 5614864 |
Single-ended to differential converter with relaxed common-mode input requirements |
Mar. 25, 1997 |
| 5610547 |
Logarithmic transformation circuitry for use in semiconductor integrated circuit devices |
Mar. 11, 1997 |
| 5606288 |
Differential transimpedance amplifier |
Feb. 25, 1997 |
| 5598129 |
Low current drain operational transconductance amplifier |
Jan. 28, 1997 |
| 5596289 |
Differential-difference current conveyor and applications therefor |
Jan. 21, 1997 |
| 5596299 |
IF amplifier/limiter with positive feedback |
Jan. 21, 1997 |
| 5594335 |
Position-detecting apparatus with hall elements and an interpolation circuit for interpolating analog output signals of the hall elements |
Jan. 14, 1997 |
| 5594387 |
Amplifier circuit having nagative feedback loop for self-bias |
Jan. 14, 1997 |
| 5587674 |
Comparator with built-in hysteresis |
Dec. 24, 1996 |
| 5585763 |
Controlled impedance amplifier |
Dec. 17, 1996 |
| 5583465 |
Method and apparatus for improving the speed and accuracy of a circuit utilizing a feedback amplifier configuration |
Dec. 10, 1996 |
| 5578962 |
Instrumentation amplifier for sensor signal conditioning using low-cost, high-accuracy analog circuitry |
Nov. 26, 1996 |
| 5578963 |
Integrated amplifier with flat gain for high and low impedance loads |
Nov. 26, 1996 |
| 5568092 |
Attenuated feedback type differential amplifier |
Oct. 22, 1996 |
| 5564089 |
Current controlled variable frequency oscillator having an improved operational transconductance amplifier |
Oct. 8, 1996 |
| 5559470 |
Circuit technique that sets transconductance |
Sep. 24, 1996 |
| 5539779 |
Automatic offset control circuit for digital receiver |
Jul. 23, 1996 |
| 5537078 |
Operational amplifier with JFET inputs having low input bias current and methods for using same |
Jul. 16, 1996 |
| 5530403 |
Low-voltage differential amplifier |
Jun. 25, 1996 |
| 5528197 |
Voltage controlled amplifier |
Jun. 18, 1996 |
| 5525930 |
Frequency compensation circuit for stabilizing a differential amplifier with cross-coupled transistors |
Jun. 11, 1996 |
| 5525931 |
High-speed video amplifier |
Jun. 11, 1996 |
| 5515005 |
Operational amplifier |
May. 7, 1996 |
| 5512858 |
Amplifier stage with low thermal distortion |
Apr. 30, 1996 |
| 5510751 |
Line driver with adaptive output impedance |
Apr. 23, 1996 |
| 5510738 |
CMOS programmable resistor-based transconductor |
Apr. 23, 1996 |
| 5508663 |
Pulse width modulation amplifier |
Apr. 16, 1996 |
| 5506536 |
Differential amplifier with exponential gain characteristic |
Apr. 9, 1996 |
| 5493254 |
Amplifier including circuit for reducing input capacitance |
Feb. 20, 1996 |
| 5486790 |
Multistage amplifier with hybrid nested miller compensation |
Jan. 23, 1996 |
| 5485121 |
Amplifier arrangement with multipath miller zero cancellation |
Jan. 16, 1996 |
| 5479137 |
Controlled oscillator, as for synchyronous video detector |
Dec. 26, 1995 |
| 5471170 |
Current-mode amplification system, and corresponding operational amplifier, gain section and amplification element |
Nov. 28, 1995 |
| 5465070 |
Logarithmic transformation circuitry for use in semiconductor integrated circuit devices |
Nov. 7, 1995 |
| 5463348 |
CMOS low-power, wide-linear-range, well-input differential and transconductance amplifiers |
Oct. 31, 1995 |
| 5451901 |
Transconductance amplifiers and exponential variable gain amplifiers using the same |
Sep. 19, 1995 |
| 5446405 |
Amplifier circuit with offset cancel circuit |
Aug. 29, 1995 |
| 5446412 |
Continuously linear pulse amplifier/line driver with large output swing |
Aug. 29, 1995 |
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