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Class Information
Number: 330/304
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including frequency-responsive means in the signal transmission path > And equalizing means
Description: Subject matter including a network connected to a line to correct or control its transmission frequency characteristics.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7459980 |
Apparatus for receiver equalization |
Dec. 2, 2008 |
| 7209007 |
Combined analog signal gain controller and equalizer |
Apr. 24, 2007 |
| 7039942 |
Pad adjustable equalizer for two way cable transmission |
May. 2, 2006 |
| 7019594 |
Method and apparatus for analyzing performance of a multi-stage radio frequency amplifier |
Mar. 28, 2006 |
| 6897721 |
Composite amplifier with optimized linearity and efficiency |
May. 24, 2005 |
| 6838943 |
Input follower system and method |
Jan. 4, 2005 |
| 6836184 |
Network amplifier with microprocessor control |
Dec. 28, 2004 |
| 6794936 |
Equalizer system and method for predistortion |
Sep. 21, 2004 |
| 6784745 |
Adjustable current-mode equalizer |
Aug. 31, 2004 |
| 6785907 |
Amplifier and equalizer for two way cable transmission |
Aug. 31, 2004 |
| 6741140 |
Circuit for receiving an AC coupled broadband signal |
May. 25, 2004 |
| 6710653 |
D-class power amplifier with electric power regeneration function |
Mar. 23, 2004 |
| 6674326 |
Digitally controllable nonlinear pre-equalizer |
Jan. 6, 2004 |
| 6608524 |
Automatic gain control circuit |
Aug. 19, 2003 |
| 6580327 |
Electronically controllable slope equalizer |
Jun. 17, 2003 |
| 6531931 |
Circuit and method for equalization of signals received over a communication system transmission line |
Mar. 11, 2003 |
| 6501792 |
Serial digital data communications receiver with improved automatic cable equalizer, AGC system, and DC restorer |
Dec. 31, 2002 |
| 6492876 |
Low power analog equalizer with variable op-amp gain |
Dec. 10, 2002 |
| 6489838 |
Apparatus and method for equalizing received network signals using a single zero high-pass filter having selectable impedance |
Dec. 3, 2002 |
| 6486735 |
Adaptive equalizer filter with variable gain control |
Nov. 26, 2002 |
| 6433642 |
Impedance matched frequency dependent gain compensation network for multi-octave passband equalization |
Aug. 13, 2002 |
| 6300669 |
Semiconductor integrated circuit device and method of designing same |
Oct. 9, 2001 |
| 6215354 |
Closed loop calibration for an amplitude reconstruction amplifier |
Apr. 10, 2001 |
| 6188279 |
Low cost miniature broadband linearizer |
Feb. 13, 2001 |
| 5880581 |
AC or bidirectional circuit utilizing unipolar capacitors |
Mar. 9, 1999 |
| 5841810 |
Multiple stage adaptive equalizer |
Nov. 24, 1998 |
| 5793264 |
LAN equalizer |
Aug. 11, 1998 |
| 5701099 |
Transconductor-C filter element with coarse and fine adjustment |
Dec. 23, 1997 |
| 5686863 |
Tunable tone control circuit and a device and method for tuning the RC constants |
Nov. 11, 1997 |
| 5642079 |
Amplifier with pole/zero compensation |
Jun. 24, 1997 |
| 5636048 |
Equalizing amplifier, receiver using the same and preamplifier |
Jun. 3, 1997 |
| 5625317 |
Tuning method for integrated continuous-time filters |
Apr. 29, 1997 |
| 5448589 |
Circuit for sensing cable effects for automatic equalization |
Sep. 5, 1995 |
| 5398005 |
Voss tone control circuit with reduced distortion and reduced DC offset |
Mar. 14, 1995 |
| 5361043 |
Delay circuit for changeably delaying an analog signal |
Nov. 1, 1994 |
| 5327102 |
Sound recording apparatus |
Jul. 5, 1994 |
| 5280346 |
Equalizing amplifier |
Jan. 18, 1994 |
| 5274339 |
Gain compensation circuit |
Dec. 28, 1993 |
| 5194827 |
Voltage controlled high frequency equalization |
Mar. 16, 1993 |
| 5191300 |
Local area network amplifier for twisted pair lines |
Mar. 2, 1993 |
| 5180990 |
Equalizer circuit, high fidelity regenerative amplifier including equalizer circuit and acoustic characteristic correction circuit in high fidelity regenerative amplifier |
Jan. 19, 1993 |
| 5115213 |
Frequency equalizer |
May. 19, 1992 |
| 5053721 |
High fidelity regenerative amplifier with phase correction circuit |
Oct. 1, 1991 |
| 4996497 |
Cable compensation circuit |
Feb. 26, 1991 |
| 4975663 |
Frequency equalizer |
Dec. 4, 1990 |
| 4973915 |
Feed forward differential equalizer for narrowing the signal pulses of magnetic heads |
Nov. 27, 1990 |
| 4862103 |
Variable equalization system |
Aug. 29, 1989 |
| 4857865 |
Self equalizing multi-stage radio frequency power amplifier |
Aug. 15, 1989 |
| 4855687 |
Transimpedance amplifier with noise reduction and bandwidth compensation |
Aug. 8, 1989 |
| 4835485 |
Unconditionally-stable ultra low noise R.F. preamplifier |
May. 30, 1989 |
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