 |
|
 |
| |
 |
|
Class Information
Number: 330/289
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including temperature compensation means
Description: Subject matter wherein temperature compensating means are utilized to protect or stabilize the amplifying device from changes in the ambient temperature.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7459979 |
Semiconductor indicator for voltage diagnostics in power amplifiers |
Dec. 2, 2008 |
| 7456691 |
Amplifier circuit with reduced temperature dependence of the gain |
Nov. 25, 2008 |
| 7439807 |
Method and system for generating a temperature-compensated control signal |
Oct. 21, 2008 |
| 7439808 |
High-frequency power amplifier |
Oct. 21, 2008 |
| 7425871 |
Compensation units for reducing the effects of self-heating and increasing linear performance in bipolar transistors |
Sep. 16, 2008 |
| 7423488 |
System and method for compensating for the effects of aging and temperature on transistor performance |
Sep. 9, 2008 |
| 7417507 |
Bias circuit for power amplifier having a low degradation in distortion characteristics |
Aug. 26, 2008 |
| 7405618 |
Method and apparatus for controlling a power amplifier in a mobile communication system |
Jul. 29, 2008 |
| 7403063 |
Apparatus and method for tuning center frequency of a filter |
Jul. 22, 2008 |
| 7400197 |
Gain control circuit capable of reducing change in gain due to variation of ambient temperature |
Jul. 15, 2008 |
| 7400202 |
Bias circuit for power amplifier operated by a low external reference voltage |
Jul. 15, 2008 |
| 7375588 |
Transmission amplifier |
May. 20, 2008 |
| 7372317 |
PTAT.sup.n bias cell for improved temperature performance |
May. 13, 2008 |
| 7369816 |
Highly accurate temperature sensor employing mixed-signal components |
May. 6, 2008 |
| 7358817 |
Linearized bias circuit with adaptation |
Apr. 15, 2008 |
| 7355480 |
Bias circuit |
Apr. 8, 2008 |
| 7345542 |
Circuit and method for avoiding circuit performance degradation caused by time-variable thermal imbalances |
Mar. 18, 2008 |
| 7342455 |
Temperature sensor insensitive to device offsets with independent adjustment of slope and reference temperature |
Mar. 11, 2008 |
| 7339424 |
Apparatus and method for controlling temperature of electronic apparatus |
Mar. 4, 2008 |
| 7332966 |
High frequency power amplifier circuit |
Feb. 19, 2008 |
| 7310015 |
Temperature-compensated circuit for power amplifier using diode voltage control |
Dec. 18, 2007 |
| 7307476 |
Method for nullifying temperature dependence and circuit therefor |
Dec. 11, 2007 |
| 7288996 |
Apparatus and method reducing non-linearity in an output signal of an amplifier device |
Oct. 30, 2007 |
| 7286016 |
Amplifier bias circuit, method for biasing an amplifier and integrated circuit comprising an amplifier bias circuit |
Oct. 23, 2007 |
| 7286019 |
Method and system for amplifying a signal |
Oct. 23, 2007 |
| 7282997 |
Thermal coupling device |
Oct. 16, 2007 |
| 7271658 |
Electric component for high frequency power amplifier |
Sep. 18, 2007 |
| 7268617 |
Doherty microwave amplifier and signal processing method thereof |
Sep. 11, 2007 |
| 7265629 |
Circuit and method for automatic gain control |
Sep. 4, 2007 |
| 7256653 |
High-frequency power amplifier and communication apparatus |
Aug. 14, 2007 |
| 7253682 |
Antenna amplifier |
Aug. 7, 2007 |
| 7245182 |
High frequency amplifier circuit |
Jul. 17, 2007 |
| 7236055 |
Differential amplifier circuit and method for reducing thermally induced offsets caused by large differential signals |
Jun. 26, 2007 |
| 7230492 |
Robust monolithic automatic bias circuit with current setting apparatus |
Jun. 12, 2007 |
| 7230493 |
Bias circuit with threshold voltage change compensation function and temperature change compensation function |
Jun. 12, 2007 |
| 7230494 |
Method and apparatus for an LNA with high linearity and improved gain control |
Jun. 12, 2007 |
| 7227246 |
Matching circuits on optoelectronic devices |
Jun. 5, 2007 |
| 7224230 |
Bias circuit with mode control and compensation for voltage and temperature |
May. 29, 2007 |
| 7205838 |
Circuit structure capable of adjusting gradient of output to temperature variation |
Apr. 17, 2007 |
| 7196582 |
Method and system for low noise amplifier (LNA) and power amplifier (PA) gain control |
Mar. 27, 2007 |
| 7193470 |
Method and apparatus for controlling a power amplifier in a mobile communication system |
Mar. 20, 2007 |
| 7193452 |
Temperature-compensated bias circuit for power amplifier |
Mar. 20, 2007 |
| 7190228 |
Gain control device of transmitter in mobile communication terminal and method thereof |
Mar. 13, 2007 |
| 7190220 |
Circuit for providing a base operating voltage for a bipolar transistor and amplifier circuit |
Mar. 13, 2007 |
| 7183839 |
Diode detecting circuit |
Feb. 27, 2007 |
| 7184799 |
Method and apparatus for reducing wake up time of a powered down device |
Feb. 27, 2007 |
| 7154336 |
High-frequency power amplifier |
Dec. 26, 2006 |
| 7145385 |
Single chip power amplifier and envelope modulator |
Dec. 5, 2006 |
| 7142058 |
On-chip temperature compensation circuit for an electronic device |
Nov. 28, 2006 |
| 7142254 |
Self compensating video data amplifier and driver for broadcast data receiver |
Nov. 28, 2006 |
|
|
|
 |
|
 |
|
| |
Randomly Featured Patents |
|
