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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 |
| 6788136 |
Methods and apparatus for amplification in high temperature environments |
Sep. 7, 2004 |
| 6788141 |
Power amplifier circuitry and method |
Sep. 7, 2004 |
| 6750698 |
Cascade circuits utilizing normally-off junction field effect transistors for low on-resistance and low voltage applications |
Jun. 15, 2004 |
| 6730945 |
Semiconductor device |
May. 4, 2004 |
| 6727758 |
Fast cascaded class AB bipolar output stage |
Apr. 27, 2004 |
| 6724253 |
Predistortion type linearizer controlled by two control voltages |
Apr. 20, 2004 |
| RE38482 |
Delay stage circuitry for a ring oscillator |
Mar. 30, 2004 |
| 6710716 |
Power detecting circuit and demodulator comprising the same |
Mar. 23, 2004 |
| 6680650 |
MOSFET well biasing scheme that migrates body effect |
Jan. 20, 2004 |
| 6664855 |
MMIC driver amplifier having zig-zag RF signal flow |
Dec. 16, 2003 |
| 6661289 |
Voltage-to-current conversion circuit and OTA using the same |
Dec. 9, 2003 |
| 6657497 |
Asymmetric, voltage optimized, wideband common-gate bi-directional MMIC amplifier |
Dec. 2, 2003 |
| 6653903 |
Supply voltage decoupling device for HF amplifier circuits |
Nov. 25, 2003 |
| 6642794 |
Noise and input impedance matched amplifier |
Nov. 4, 2003 |
| 6639393 |
Methods and apparatus for time-domain measurement with a high frequency circuit analyzer |
Oct. 28, 2003 |
| 6617927 |
High frequency power amplifier module, and wireless communications system |
Sep. 9, 2003 |
| 6611680 |
Radio architecture |
Aug. 26, 2003 |
| 6606001 |
High-speed current-mirror circuitry and method of operating the same |
Aug. 12, 2003 |
| 6587001 |
Analog load driver |
Jul. 1, 2003 |
| 6586990 |
Operational amplifier having offset cancel function |
Jul. 1, 2003 |
| 6583670 |
CMOS current amplifier |
Jun. 24, 2003 |
| 6583673 |
Stability enhanced multistage power amplifier |
Jun. 24, 2003 |
| 6580326 |
High-bandwidth low-voltage gain cell and voltage follower having an enhanced transconductance |
Jun. 17, 2003 |
| 6570450 |
Efficient AC coupled CMOS RF amplifier |
May. 27, 2003 |
| 6566953 |
High-frequency amplifier circuit for UHF television tuner having less distortion |
May. 20, 2003 |
| 6552324 |
Selectable pixel amplifier for use in a photosensor array |
Apr. 22, 2003 |
| 6549071 |
Power amplifier circuitry and method using an inductance coupled to power amplifier switching devices |
Apr. 15, 2003 |
| 6522194 |
Envelope restoration scheme for linear high-efficiency power amplification |
Feb. 18, 2003 |
| 6515547 |
Self-biased cascode RF power amplifier in sub-micron technical field |
Feb. 4, 2003 |
| 6504433 |
CMOS transceiver having an integrated power amplifier |
Jan. 7, 2003 |
| 6496070 |
Buffer circuit comprising load, follower transistor and current source connected in series |
Dec. 17, 2002 |
| 6496341 |
SOI electrostatic discharge protection circuit |
Dec. 17, 2002 |
| 6433639 |
High frequency power amplifier module and wireless communication system |
Aug. 13, 2002 |
| 6396352 |
CMOS power amplifier for driving low impedance loads |
May. 28, 2002 |
| 6392488 |
Dual oxide gate device and method for providing the same |
May. 21, 2002 |
| 6388530 |
Microwave amplifier implemented by heterojunction field effect transistors |
May. 14, 2002 |
| 6384675 |
Differencing non-overlapped dual-output amplifier circuit |
May. 7, 2002 |
| 6377124 |
Biasing arrangement for field effect transistors |
Apr. 23, 2002 |
| 6377118 |
Linearizer for power amplifier |
Apr. 23, 2002 |
| 6369653 |
Apparatus and methods for improved control of quiescent state of output transistors in a class AB amplifier |
Apr. 9, 2002 |
| 6356147 |
Wideband dual amplifier circuits |
Mar. 12, 2002 |
| 6353365 |
Current reference circuit |
Mar. 5, 2002 |
| 6335657 |
MOSFET amplifier circuit |
Jan. 1, 2002 |
| 6326848 |
Circuits and methods for monitoring a signal in a network |
Dec. 4, 2001 |
| 6320468 |
Method and system for suppressing oscillations in a multi-stage amplifier |
Nov. 20, 2001 |
| 6310517 |
Microwave amplifier |
Oct. 30, 2001 |
| 6300835 |
Power amplifier core |
Oct. 9, 2001 |
| 6297700 |
RF power transistor having cascaded cells with phase matching between cells |
Oct. 2, 2001 |
| 6294959 |
Circuit that operates in a manner substantially complementary to an amplifying device included therein and apparatus incorporating same |
Sep. 25, 2001 |
| 6288613 |
Bias circuits for depletion mode field effect transistors |
Sep. 11, 2001 |
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