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Class Information
Number: 330/296
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including particular biasing arrangement
Description: Subject matter with specific details or distinctive characteristics of the biasing means applied to the amplifying device.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7459978 |
Ground skimming output stage |
Dec. 2, 2008 |
| 7456693 |
Regulation of an amplification apparatus |
Nov. 25, 2008 |
| 7449954 |
Fast settling power amplifier regulator |
Nov. 11, 2008 |
| 7449958 |
Open loop DC control for a transimpedance feedback amplifier |
Nov. 11, 2008 |
| 7446627 |
Compact stabilized full-band power amplifier arrangement |
Nov. 4, 2008 |
| 7446612 |
Amplifier feedback and bias configuration |
Nov. 4, 2008 |
| 7443246 |
Constant current biasing circuit for linear power amplifiers |
Oct. 28, 2008 |
| 7439809 |
Radio frequency power amplifier |
Oct. 21, 2008 |
| 7439808 |
High-frequency power amplifier |
Oct. 21, 2008 |
| 7439806 |
Bias control circuit and method of controlling bias of RF power amplifier |
Oct. 21, 2008 |
| 7439805 |
Enhancement-depletion Darlington device |
Oct. 21, 2008 |
| 7439810 |
Fast bias for power amplifier gating in a TDMA application |
Oct. 21, 2008 |
| 7423488 |
System and method for compensating for the effects of aging and temperature on transistor performance |
Sep. 9, 2008 |
| 7420421 |
Open-loop RF transmitter output power control for increased power efficiency |
Sep. 2, 2008 |
| 7420420 |
FET bias circuit |
Sep. 2, 2008 |
| 7420417 |
Two-port dual-gate HEMT for discrete device application |
Sep. 2, 2008 |
| 7417507 |
Bias circuit for power amplifier having a low degradation in distortion characteristics |
Aug. 26, 2008 |
| 7414479 |
Automatic bias control circuit for reduced current consumption in a linear power amplifier |
Aug. 19, 2008 |
| 7411457 |
Power amplifying semiconductor integrated circuit device for use in communication equipment |
Aug. 12, 2008 |
| 7405626 |
Distributed amplifier having a variable terminal resistance |
Jul. 29, 2008 |
| 7405619 |
Amplification circuit improved with linearity and frequency converter using the same |
Jul. 29, 2008 |
| 7405617 |
Dynamic biasing system for an amplifier |
Jul. 29, 2008 |
| 7400200 |
Linear variable gain traveling wave amplifier |
Jul. 15, 2008 |
| 7400201 |
Apparatus and method for reducing drain modulation of high power transistor |
Jul. 15, 2008 |
| 7400202 |
Bias circuit for power amplifier operated by a low external reference voltage |
Jul. 15, 2008 |
| 7397309 |
Bias circuit for a wideband amplifier driven with low voltage |
Jul. 8, 2008 |
| 7391279 |
Inverting amplifier and crystal oscillator having same |
Jun. 24, 2008 |
| 7385450 |
Bias circuit |
Jun. 10, 2008 |
| 7382195 |
Power supply device for driving an amplifier |
Jun. 3, 2008 |
| 7375588 |
Transmission amplifier |
May. 20, 2008 |
| 7375589 |
Power amplifier system provided with improved protection function |
May. 20, 2008 |
| 7372332 |
Optimizing power consumption in amplifiers |
May. 13, 2008 |
| 7369781 |
Burst mode optical receiver considering characteristic of extinction ratio of received optical signal |
May. 6, 2008 |
| 7365604 |
RF amplifier with a bias boosting scheme |
Apr. 29, 2008 |
| 7365603 |
FET amplifier, pulse modulation module, and radar device |
Apr. 29, 2008 |
| 7362179 |
Power amplifier circuit and method thereof |
Apr. 22, 2008 |
| 7362181 |
Procedure for operating a high frequency amplifier |
Apr. 22, 2008 |
| 7358817 |
Linearized bias circuit with adaptation |
Apr. 15, 2008 |
| 7358816 |
Variable gain amplifier |
Apr. 15, 2008 |
| 7355477 |
Transmitter power control loop for high-speed wireless LANs |
Apr. 8, 2008 |
| 7355478 |
RF amplifier with pulse detection and bias control |
Apr. 8, 2008 |
| 7355480 |
Bias circuit |
Apr. 8, 2008 |
| 7348852 |
Device and method for power amplifier noise reduction |
Mar. 25, 2008 |
| 7348855 |
Bias circuitry for cascode transistor circuit |
Mar. 25, 2008 |
| 7345547 |
Bias circuit for BJT amplifier |
Mar. 18, 2008 |
| 7342456 |
DC-bias network for a distributed amplifier |
Mar. 11, 2008 |
| 7342457 |
Cross-differential amplifier |
Mar. 11, 2008 |
| 7336132 |
High-frequency power amplifier circuit and electronic part for communication |
Feb. 26, 2008 |
| 7332965 |
Gate leakage insensitive current mirror circuit |
Feb. 19, 2008 |
| 7332968 |
Amplifier circuit having an impedance-controllable bias-boosting circuit |
Feb. 19, 2008 |
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