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Class Information
Number: 330/51
Name: Amplifiers > Combined with automatic amplifier disabling switch means
Description: Subject matter combined with switch means, which may be of the electromechanical or electronic tube type (vacuum, gas, or vapor tubes), to disable or discontinue the operation of the amplifier automatically in response to a predetermined condition.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619478 |
Operational amplifier having its compensator capacitance temporarily disabled |
Nov. 17, 2009 |
| 7616054 |
Multiple output power mode amplifier |
Nov. 10, 2009 |
| 7616055 |
Transmitter apparatus with extended gain control |
Nov. 10, 2009 |
| 7612607 |
Small size power amplifier with amplifiers switched |
Nov. 3, 2009 |
| 7605648 |
Power amplifier |
Oct. 20, 2009 |
| 7602237 |
Amplifying circuit |
Oct. 13, 2009 |
| 7602238 |
Power amplifier |
Oct. 13, 2009 |
| 7602927 |
Guitar amplifier with channel-dedicated power switching |
Oct. 13, 2009 |
| 7598808 |
Gigabit ethernet transceiver with analog front end |
Oct. 6, 2009 |
| 7598807 |
Differential amplifier circuit, voltage regulator using the differential amplifier circuit, and method for controlling the differential amplifier circuit |
Oct. 6, 2009 |
| 7598804 |
Amplifier circuit |
Oct. 6, 2009 |
| 7589589 |
Power amplifying apparatus and mobile communication terminal |
Sep. 15, 2009 |
| 7589588 |
High-frequency power amplifier and radio communication equipment using the same |
Sep. 15, 2009 |
| 7586372 |
Programmable gain-frequency profile amplifier |
Sep. 8, 2009 |
| 7583139 |
Power-efficient automatic gain control |
Sep. 1, 2009 |
| 7579909 |
Bypass circuit for radio-frequency amplifier stages |
Aug. 25, 2009 |
| 7576587 |
On-chip source termination in communication systems |
Aug. 18, 2009 |
| 7564302 |
Method and system for gain control and power saving in broadband feedback low-noise amplifiers |
Jul. 21, 2009 |
| 7565116 |
High frequency module |
Jul. 21, 2009 |
| 7554390 |
Method and system for transitioning between operation states in an output system |
Jun. 30, 2009 |
| 7554394 |
Power amplifier circuit |
Jun. 30, 2009 |
| 7554392 |
Multiple output power mode amplifier |
Jun. 30, 2009 |
| 7545220 |
Method for shaping signal pulses |
Jun. 9, 2009 |
| 7538609 |
Amplifier, transmitter arrangement having an amplifier and method for amplifying a signal |
May. 26, 2009 |
| 7532066 |
Bias network with stable transient response |
May. 12, 2009 |
| 7528657 |
Baseband filter start-up circuit |
May. 5, 2009 |
| 7518446 |
Multi-mode power amplifier with reduced low power current consumption |
Apr. 14, 2009 |
| 7519190 |
Circuit for reducing pulse noise caused at switching of an analog audio processing circuit |
Apr. 14, 2009 |
| 7518448 |
Amplifier mode switch |
Apr. 14, 2009 |
| 7514994 |
Amplifier with high output power dynamic |
Apr. 7, 2009 |
| 7515882 |
Apparatus, methods and articles of manufacture for a multi-band switch |
Apr. 7, 2009 |
| 7508259 |
Differential amplifier and data driver for display |
Mar. 24, 2009 |
| 7508260 |
Bypassable low noise amplifier topology with multi-tap transformer |
Mar. 24, 2009 |
| 7501887 |
Controllable amplifier and its use |
Mar. 10, 2009 |
| 7501893 |
Variable gain amplifier circuit |
Mar. 10, 2009 |
| 7498847 |
Output driver that operates both in a differential mode and in a single mode |
Mar. 3, 2009 |
| 7498877 |
Power amplifier with automatic switching function |
Mar. 3, 2009 |
| 7495509 |
Audio power amplifier |
Feb. 24, 2009 |
| 7489191 |
Circuit and method for reducing bias noise in amplifier circuits |
Feb. 10, 2009 |
| 7486136 |
Power amplifier |
Feb. 3, 2009 |
| 7486135 |
Configurable, variable gain LNA for multi-band RF receiver |
Feb. 3, 2009 |
| 7486132 |
Variable capacitor circuit and integrated circuit containing the same |
Feb. 3, 2009 |
| 7486133 |
Transmitting output stage with adjustable output power and process for amplifying a signal in a transmitting output stage |
Feb. 3, 2009 |
| 7486134 |
High efficiency load insensitive power amplifier |
Feb. 3, 2009 |
| 7482866 |
Audio system with power-on/off noise suppression and audio amplifier thereof |
Jan. 27, 2009 |
| 7479827 |
Multi-mode power amplifier with high efficiency under backoff operation |
Jan. 20, 2009 |
| 7477101 |
Fast charge circuit for use in amplifiers |
Jan. 13, 2009 |
| 7471154 |
Bias circuit for maintaining high linearity at cutback power conditions |
Dec. 30, 2008 |
| 7463742 |
Signal output circuit |
Dec. 9, 2008 |
| 7459970 |
Method and apparatus for optimizing power dissipation in a low noise amplifier |
Dec. 2, 2008 |
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