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Class Information
Number: 330/288
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including current mirror amplifier
Description: Subject matter wherein an amplifier having a gain which is substantially independent of the individual common emitter forward current gains of its component transistor is utilized.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7459977 |
Signal transfer circuit and circuit device using same |
Dec. 2, 2008 |
| 7449955 |
Chain-chopping current mirror and method for stabilizing output currents |
Nov. 11, 2008 |
| 7439796 |
Current mirror with circuitry that allows for over voltage stress testing |
Oct. 21, 2008 |
| 7439776 |
Technique to increase the speed of a peak detector |
Oct. 21, 2008 |
| 7439806 |
Bias control circuit and method of controlling bias of RF power amplifier |
Oct. 21, 2008 |
| 7432765 |
Variable gain amplifier, mixer and quadrature modulator using the same |
Oct. 7, 2008 |
| 7425870 |
Current mirror circuit |
Sep. 16, 2008 |
| 7420419 |
Variable gain voltage/current converter circuit having current compensation circuit for compensating for change in DC current flowing into active element for performing voltage/current convers |
Sep. 2, 2008 |
| 7394308 |
Circuit and method for implementing a low supply voltage current reference |
Jul. 1, 2008 |
| 7391404 |
Thin film transistor circuit and semiconductor display device using the same |
Jun. 24, 2008 |
| 7365604 |
RF amplifier with a bias boosting scheme |
Apr. 29, 2008 |
| 7365601 |
Amplifier for amplifying a signal |
Apr. 29, 2008 |
| 7352245 |
Auto-range current mirror circuit |
Apr. 1, 2008 |
| 7348846 |
Amplifier arrangement |
Mar. 25, 2008 |
| 7348850 |
Electronic circuit for amplification of a bipolar signal |
Mar. 25, 2008 |
| 7345529 |
Chopper stabilized amplifier without DC output ripple |
Mar. 18, 2008 |
| 7336133 |
Buffered cascode current mirror |
Feb. 26, 2008 |
| 7332965 |
Gate leakage insensitive current mirror circuit |
Feb. 19, 2008 |
| 7323934 |
Operational transconductance amplifier |
Jan. 29, 2008 |
| 7312651 |
Cascode current mirror circuit operable at high speed |
Dec. 25, 2007 |
| 7304540 |
Source follower and current feedback circuit thereof |
Dec. 4, 2007 |
| 7304539 |
High frequency power amplifier circuit and electronic component for high frequency power amplifier |
Dec. 4, 2007 |
| 7279981 |
Compensation method for low voltage, low power unity gain amplifier |
Oct. 9, 2007 |
| 7265628 |
Margin tracking cascode current mirror system and method |
Sep. 4, 2007 |
| 7262650 |
Amplitude adjusting circuit |
Aug. 28, 2007 |
| 7245184 |
High frequency power amplifier circuit, high frequency power amplifier electronic component and method thereof |
Jul. 17, 2007 |
| 7245162 |
Apparatus and method for headroom compensation using dynamic transconductance enhancement |
Jul. 17, 2007 |
| 7230491 |
Method and apparatus for an LNA with high linearity and improved gain control |
Jun. 12, 2007 |
| 7227416 |
Current mirror with low static current and transconductance amplifier thereof |
Jun. 5, 2007 |
| 7224010 |
Voltage-controlled amplifier for a signal processing system |
May. 29, 2007 |
| 7208998 |
Bias circuit for high-swing cascode current mirrors |
Apr. 24, 2007 |
| 7202744 |
Transresistance amplifier |
Apr. 10, 2007 |
| 7193456 |
Current conveyor circuit with improved power supply noise immunity |
Mar. 20, 2007 |
| 7161411 |
Circuit, method and system for generating a non-linear transfer characteristic |
Jan. 9, 2007 |
| 7161432 |
Current mirror with low headroom requirement |
Jan. 9, 2007 |
| 7154340 |
Circuit for increasing the unity gain crossover frequency of an amplifier element |
Dec. 26, 2006 |
| 7151409 |
Programmable low noise amplifier and method |
Dec. 19, 2006 |
| 7142059 |
Amplifier arrangement |
Nov. 28, 2006 |
| 7135894 |
Dual-output current driver |
Nov. 14, 2006 |
| 7126412 |
Preamplification circuit |
Oct. 24, 2006 |
| 7123075 |
Current mirror compensation using channel length modulation |
Oct. 17, 2006 |
| 7113044 |
Precision current mirror and method for voltage to current conversion in low voltage applications |
Sep. 26, 2006 |
| 7113005 |
Current mirror circuit |
Sep. 26, 2006 |
| 7102440 |
High output current wideband output stage/buffer amplifier |
Sep. 5, 2006 |
| 7098740 |
Radio frequency power amplifier and communication system |
Aug. 29, 2006 |
| 7084704 |
Variable gain amplifier system |
Aug. 1, 2006 |
| 7084706 |
Circuitry and method for accelerated switching of an amplifier |
Aug. 1, 2006 |
| 7081797 |
Multiplying current mirror with base current compensation |
Jul. 25, 2006 |
| 7078974 |
High frequency power amplifier circuit |
Jul. 18, 2006 |
| 7064614 |
Current mirror biasing circuit with power control for HBT power amplifiers |
Jun. 20, 2006 |
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