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Class Information
Number: 330/253
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including differential amplifier > Having field effect transistor
Description: Subject matter wherein a field effect transistor (FET) is utilized in the circuit with the differential amplifier.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7459980 |
Apparatus for receiver equalization |
Dec. 2, 2008 |
| 7459976 |
Apparatus and method for biasing cascode devices in a differential pair using the input, output, or other nodes in the circuit |
Dec. 2, 2008 |
| 7459969 |
Transmitter power amplifier working at different power supplies |
Dec. 2, 2008 |
| 7459967 |
Differential amplifier, digital-to-analog converter and display device |
Dec. 2, 2008 |
| 7453319 |
Multi-path common mode feedback for high speed multi-stage amplifiers |
Nov. 18, 2008 |
| 7453317 |
Apparatus and method for reducing flicker noise of CMOS amplifier |
Nov. 18, 2008 |
| 7449950 |
Analog signal processing circuit |
Nov. 11, 2008 |
| 7449949 |
Data amplifying circuit controllable with swing level according to operation mode and output driver including the same |
Nov. 11, 2008 |
| 7446610 |
Low voltage CMOS differential amplifier |
Nov. 4, 2008 |
| 7446608 |
Variable gain amplifier with constant input referred third order intercept |
Nov. 4, 2008 |
| 7446607 |
Regulated cascode circuit, an amplifier including the same, and method of regulating a cascode circuit |
Nov. 4, 2008 |
| 7446606 |
Methods and apparatus to provide slew enhancement for low power amplifiers |
Nov. 4, 2008 |
| 7443240 |
AM intermediate frequency variable gain amplifier circuit, variable gain amplifier circuit and its semiconductor integrated circuit |
Oct. 28, 2008 |
| 7443239 |
Differential amplifier, data driver and display device |
Oct. 28, 2008 |
| 7443238 |
Amplifier stage, operational amplifier and method for amplifying a signal |
Oct. 28, 2008 |
| 7443237 |
Folded cascode amplifier having improved slew performance |
Oct. 28, 2008 |
| 7443234 |
Differential amplifier, digital-to-analog converter and display device |
Oct. 28, 2008 |
| 7439804 |
Amplifier with level shifting feedback network |
Oct. 21, 2008 |
| 7439783 |
Phase-locked loop systems and methods |
Oct. 21, 2008 |
| 7436261 |
Operational amplifier |
Oct. 14, 2008 |
| 7436258 |
Multi-operational amplifier system |
Oct. 14, 2008 |
| 7432762 |
Circuit having enhanced input signal range |
Oct. 7, 2008 |
| 7425866 |
Digitally adjusted variable gain amplifier (VGA) using switchable differential pairs |
Sep. 16, 2008 |
| 7423486 |
Silicon-on-insulator differential amplifier circuit |
Sep. 9, 2008 |
| 7423485 |
Differential circuit with improved linearity |
Sep. 9, 2008 |
| 7423479 |
Offset canceller for compensating for offset in signal output |
Sep. 9, 2008 |
| 7421254 |
High linearity, high efficiency power amplifier with DSP assisted linearity optimization |
Sep. 2, 2008 |
| 7420410 |
Variable gain amplifier circuit, method of correcting DC offset of the variable gain amplifying circuit, and radio receiving apparatus |
Sep. 2, 2008 |
| 7417505 |
CMOS amplifiers with frequency compensating capacitors |
Aug. 26, 2008 |
| 7414481 |
Receiver with colpitts differential oscillator, colpitts quadrature oscillator, and common-gate low noise amplifier |
Aug. 19, 2008 |
| 7414475 |
Linearity-improved differential amplification circuit |
Aug. 19, 2008 |
| 7414472 |
Differential amplifying circuit |
Aug. 19, 2008 |
| 7414441 |
Output buffer circuit |
Aug. 19, 2008 |
| 7411452 |
Low DC power rail-to-rail buffer amplifier for liquid crystal display application |
Aug. 12, 2008 |
| 7408409 |
Amplifier circuit with cross-coupled cascode transistors |
Aug. 5, 2008 |
| 7405620 |
Differential amplifier and method |
Jul. 29, 2008 |
| 7403063 |
Apparatus and method for tuning center frequency of a filter |
Jul. 22, 2008 |
| 7397306 |
High-bandwidth high-gain amplifier |
Jul. 8, 2008 |
| 7394872 |
Data receiver and method for receiving data using folded differential voltage sampler |
Jul. 1, 2008 |
| 7394310 |
System and method for programmable switching characteristics of an analog switch in a transconductance amplifier |
Jul. 1, 2008 |
| 7391263 |
Operational amplifier |
Jun. 24, 2008 |
| 7391262 |
Circuit and method for driving bulk capacitance of amplifier input transistors |
Jun. 24, 2008 |
| 7391260 |
Variable gain amplifier and variable gain amplifier module |
Jun. 24, 2008 |
| 7383373 |
Deriving corresponding signals |
Jun. 3, 2008 |
| 7382189 |
Multi-gain amplifier with input impedance control |
Jun. 3, 2008 |
| 7378907 |
Selective differential low-noise amplifier |
May. 27, 2008 |
| 7375590 |
Single-ended input to differential-ended output low noise amplifier implemented with cascode and cascade topology |
May. 20, 2008 |
| 7372330 |
Variable gain amplifier |
May. 13, 2008 |
| 7372329 |
Method and apparatus to remove the DC component of a feedback signal |
May. 13, 2008 |
| 7368990 |
Differential amplifier and data driver employing the differential amplifier |
May. 6, 2008 |
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