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Class Information
Number: 330/277
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including field effect transistor
Description: Subject matter wherein a field effect transistor (FET) is utilized in the amplifier circuit.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7459980 |
Apparatus for receiver equalization |
Dec. 2, 2008 |
| 7439805 |
Enhancement-depletion Darlington device |
Oct. 21, 2008 |
| 7420417 |
Two-port dual-gate HEMT for discrete device application |
Sep. 2, 2008 |
| 7420418 |
Circuit for improving amplification and noise characteristics for MOSFET, and frequency mixer, amplifier and oscillator using the circuit |
Sep. 2, 2008 |
| 7420420 |
FET bias circuit |
Sep. 2, 2008 |
| 7391269 |
Amplifying circuit |
Jun. 24, 2008 |
| 7368995 |
Power amplifier with active bias circuit |
May. 6, 2008 |
| 7368993 |
Transconductance circuit with improved linearity |
May. 6, 2008 |
| 7368994 |
Class AB enhanced transconductance source follower |
May. 6, 2008 |
| 7349681 |
Self-biased high-speed receiver |
Mar. 25, 2008 |
| 7345528 |
Method and apparatus for improved clock preamplifier with low jitter |
Mar. 18, 2008 |
| 7345545 |
Enhancement mode transceiver and switched gain amplifier integrated circuit |
Mar. 18, 2008 |
| 7342453 |
Cascode circuit |
Mar. 11, 2008 |
| 7340229 |
High frequency amplification circuit and mobile communication terminal using the same |
Mar. 4, 2008 |
| 7301401 |
Low noise op amp |
Nov. 27, 2007 |
| 7295067 |
Current source circuit and differential amplifier |
Nov. 13, 2007 |
| 7247830 |
Output amplifier for solid-state imaging device |
Jul. 24, 2007 |
| 7248120 |
Stacked transistor method and apparatus |
Jul. 24, 2007 |
| 7239205 |
High frequency amplifier circuit and mobile communication terminal using the same |
Jul. 3, 2007 |
| 7230489 |
System and apparatus for receiver equalization |
Jun. 12, 2007 |
| 7227414 |
Apparatus for receiver equalization |
Jun. 5, 2007 |
| 7227420 |
Transimpedance amplifier with a high gain/bandwidth product for conversion of a DAC output current |
Jun. 5, 2007 |
| 7224232 |
RF power amplifier and method for packaging the same |
May. 29, 2007 |
| 7221217 |
Self-bias and digitally tunable conduction angle circuits for a differential RF non-linear power amplifier employing low-voltage transistors |
May. 22, 2007 |
| 7215193 |
Method and apparatus for limiting power amplifier voltage excursions |
May. 8, 2007 |
| 7212070 |
Circuit and method of reducing noise in an RF power amplifier |
May. 1, 2007 |
| 7199663 |
Use of analog-valued floating-gate transistors for parallel and serial signal processing |
Apr. 3, 2007 |
| 7199669 |
Dual gate cascade amplifier |
Apr. 3, 2007 |
| 7193469 |
System and method for testing gate oxide of an amplifier |
Mar. 20, 2007 |
| 7187238 |
Circuit for adjusting the operating point of multiple gate field effect transistors |
Mar. 6, 2007 |
| 7187237 |
Use of analog-valued floating-gate transistors for parallel and serial signal processing |
Mar. 6, 2007 |
| 7183853 |
Feedback amplifier having amplified signal path and feedback signal path separated |
Feb. 27, 2007 |
| 7167053 |
Integrated circuit amplifier device and method using FET tunneling gate current |
Jan. 23, 2007 |
| 7157972 |
Common gate with resistive feed-through low noise amplifier |
Jan. 2, 2007 |
| 7154329 |
Method and apparatus for compensating amplifier output for temperature and process variations |
Dec. 26, 2006 |
| 7151412 |
Sliding cascode circuit |
Dec. 19, 2006 |
| 7145394 |
High frequency power amplifier module, and wireless communication system |
Dec. 5, 2006 |
| 7138875 |
Cascoded power amplifier, particularly for use in radio frequency |
Nov. 21, 2006 |
| 7135925 |
Adaptive bias scheme for high-voltage compliance in serial links |
Nov. 14, 2006 |
| 7119616 |
Method and apparatus for a fully differential amplifier output stage |
Oct. 10, 2006 |
| 7113042 |
Low noise op amp |
Sep. 26, 2006 |
| 7109801 |
Low gate oxide stress power amplifier |
Sep. 19, 2006 |
| 7102674 |
Charge transfer device |
Sep. 5, 2006 |
| 7088393 |
Output-compensated buffers with source-follower input structure, methods of operating same, and image capture devices using same |
Aug. 8, 2006 |
| 7084704 |
Variable gain amplifier system |
Aug. 1, 2006 |
| 7064611 |
I.sub.DSS RF amplifier |
Jun. 20, 2006 |
| 7061324 |
Use of analog-valued floating-gate transistors for parallel and serial signal processing |
Jun. 13, 2006 |
| 7061321 |
Low impedance read amplifier for magnetoresistive head |
Jun. 13, 2006 |
| 7030701 |
Transimpedance amplification apparatus with source follower structure |
Apr. 18, 2006 |
| 7012468 |
Circuit configuration and method for reducing the 1/f noise of MOSFETs |
Mar. 14, 2006 |
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