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Class Information
Number: 330/11
Name: Amplifiers > With d.c. reinsertion circuit
Description: Subject matter including means to restore a D.C. component to the signal, usually by means of a D.C. bias source and a rectifier circuit supplied to the control grid.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7432761 |
Amplifier circuit, semiconductor device and electronic apparatus |
Oct. 7, 2008 |
| 7088174 |
Offset cancellation and slice adjust amplifier circuit |
Aug. 8, 2006 |
| 7039124 |
Apparatus and method for compensating for analog quadrature modulation error |
May. 2, 2006 |
| 7005915 |
Series bridge circuit with amplifiers |
Feb. 28, 2006 |
| 6809596 |
DC offset cancellation circuit, system and method |
Oct. 26, 2004 |
| 6774715 |
BiCMOS AC filter circuit |
Aug. 10, 2004 |
| 6700443 |
Reduction of sensitivity of an amplifier to an offset voltage |
Mar. 2, 2004 |
| 6657488 |
Offset correction and slicing level adjustment for amplifier circuits |
Dec. 2, 2003 |
| 6608525 |
Operational transconductance amplifier and filter circuit |
Aug. 19, 2003 |
| 6603354 |
Method and apparatus to generate an optimum common-mode voltage in analog differential circuits |
Aug. 5, 2003 |
| 6580315 |
System and method of maintaining an amplifier common-mode output voltage |
Jun. 17, 2003 |
| 6577187 |
Powered transducer preamplifier with DC level shifting circuit |
Jun. 10, 2003 |
| 6335641 |
Automatic input threshold selector |
Jan. 1, 2002 |
| 6232816 |
Signal level monitoring circuit |
May. 15, 2001 |
| 5999045 |
Amplification circuit which includes an input-current compensation device |
Dec. 7, 1999 |
| 5801867 |
DC-coupled receiver for shared optical system |
Sep. 1, 1998 |
| 5587681 |
DC restoration circuit |
Dec. 24, 1996 |
| 5585756 |
Gated integrator with signal baseline subtraction |
Dec. 17, 1996 |
| 5576658 |
Pulse shaping circuit |
Nov. 19, 1996 |
| 5430766 |
Burst mode digital data receiver |
Jul. 4, 1995 |
| 5426389 |
System for DC restoration of serially transmitted binary signals |
Jun. 20, 1995 |
| 5059918 |
Procedure and apparatus for amplification of a burst signal |
Oct. 22, 1991 |
| 5051708 |
Amplifier arrangement with output power boosting |
Sep. 24, 1991 |
| 4736391 |
Threshold control with data receiver |
Apr. 5, 1988 |
| 4714828 |
Optoelectric transducer |
Dec. 22, 1987 |
| 4603303 |
Level compensation circuit |
Jul. 29, 1986 |
| 4599571 |
Level compensation circuit |
Jul. 8, 1986 |
| 4463317 |
FM demodulator with regulation of the output D.C. component |
Jul. 31, 1984 |
| 4374362 |
Instrument zeroing circuit |
Feb. 15, 1983 |
| 4366440 |
Adjustable contrast compressor |
Dec. 28, 1982 |
| 4363977 |
Device for discriminating between two values of a signal with DC offset compensation |
Dec. 14, 1982 |
| 4336615 |
Linear loading for PWM filter |
Jun. 22, 1982 |
| 4323852 |
Fast recovery electrode amplifier |
Apr. 6, 1982 |
| 4319197 |
ECG Amplifier overload control |
Mar. 9, 1982 |
| 4237424 |
Gated baseline corrector |
Dec. 2, 1980 |
| 4227155 |
Amplifier with dark current compensation |
Oct. 7, 1980 |
| 4178558 |
DC Level clamping circuit |
Dec. 11, 1979 |
| 4147990 |
Fast-recovery circuit |
Apr. 3, 1979 |
| 4142110 |
Circuit to eliminate DC bias |
Feb. 27, 1979 |
| 4114179 |
Clamping circuits for television signals |
Sep. 12, 1978 |
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