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Class Information
Number: 330/302
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including frequency-responsive means in the signal transmission path
Description: Subject matter including frequency-responsive means in the signal transmission path that causes corresponding changes in the amplifier gain.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7459972 |
Amplifiers with compensation |
Dec. 2, 2008 |
| 7453321 |
Amplifier arrangement and method of signal amplification |
Nov. 18, 2008 |
| 7449957 |
Radio frequency power amplifier |
Nov. 11, 2008 |
| 7443236 |
CDMA power amplifier design for low and high power modes |
Oct. 28, 2008 |
| 7439802 |
Unilateral feedback power amplifier and method for realizing the same |
Oct. 21, 2008 |
| 7436257 |
High-efficiency mixed-mode power amplifier |
Oct. 14, 2008 |
| 7429891 |
Method and system for low noise amplifier (LNA) gain adjustment through narrowband received signal strength indicator (NRSSI) |
Sep. 30, 2008 |
| 7425873 |
Radio frequency amplification apparatus |
Sep. 16, 2008 |
| 7420424 |
Power amplifier transmission line transformer |
Sep. 2, 2008 |
| 7417504 |
Startup and shutdown click noise elimination for class D amplifier |
Aug. 26, 2008 |
| 7417508 |
Multiple RF path amplifiers |
Aug. 26, 2008 |
| 7412219 |
High-frequency amplifier having simple circuit structure and television tuner using high-frequency amplifier |
Aug. 12, 2008 |
| 7411458 |
Method and apparatus for controlling an output voltage in a power amplifier |
Aug. 12, 2008 |
| 7408405 |
High-frequency power amplifier module |
Aug. 5, 2008 |
| 7400193 |
Ultra wide band, differential input/output, high frequency active splitter in an integrated circuit |
Jul. 15, 2008 |
| 7400196 |
Ultra wide band, differential input/output, high frequency amplifier in an integrated circuit |
Jul. 15, 2008 |
| 7391268 |
Power amplifying device comprising a stabilizing circuit |
Jun. 24, 2008 |
| 7390960 |
Electronic signal processor |
Jun. 24, 2008 |
| 7382182 |
System for reducing calibration time of a power amplifier |
Jun. 3, 2008 |
| 7382196 |
UHF active antenna amplifier for digital video broadcast (DVB) receiver and related DVB device |
Jun. 3, 2008 |
| 7378910 |
Power amplifier for a transmitter |
May. 27, 2008 |
| 7378907 |
Selective differential low-noise amplifier |
May. 27, 2008 |
| 7372334 |
Output match transistor |
May. 13, 2008 |
| 7372335 |
Wideband circuits and methods |
May. 13, 2008 |
| 7368996 |
High frequency power amplifier |
May. 6, 2008 |
| 7368997 |
Signal amplifier and integrated circuit |
May. 6, 2008 |
| 7365599 |
Glitch-free controllable RF power amplifier |
Apr. 29, 2008 |
| 7362171 |
High-frequency amplifier |
Apr. 22, 2008 |
| 7358808 |
Method and device for amplification of data signals over power lines |
Apr. 15, 2008 |
| 7355479 |
Neutralization of feedback capacitance in amplifiers |
Apr. 8, 2008 |
| 7355476 |
Input stage for an amplifier |
Apr. 8, 2008 |
| 7355481 |
Amplification circuit and control method of amplification circuit |
Apr. 8, 2008 |
| 7345539 |
Broadband microwave amplifier |
Mar. 18, 2008 |
| 7342443 |
Operational amplifier |
Mar. 11, 2008 |
| 7342458 |
Negative gain transductance amplifier circuit |
Mar. 11, 2008 |
| 7321265 |
Distortion compensating circuit having negative gain deviation, power amplifier using the same, and communication device having power amplifier |
Jan. 22, 2008 |
| 7321273 |
Off-chip LC circuit for lowest ground and VDD impedance for power amplifier |
Jan. 22, 2008 |
| 7310019 |
High frequency power amplifier |
Dec. 18, 2007 |
| 7307473 |
Distortion compensating and power amplifying apparatus |
Dec. 11, 2007 |
| 7307479 |
Handset radiofrequency front end module in fine pitch quad flat no lead (FQFP-N) package |
Dec. 11, 2007 |
| 7298215 |
Amplifying circuit |
Nov. 20, 2007 |
| 7298213 |
Input impedance matching circuit for low noise amplifier |
Nov. 20, 2007 |
| 7288995 |
Power amplifier of a transmitter |
Oct. 30, 2007 |
| 7286018 |
Transistor circuit |
Oct. 23, 2007 |
| 7282993 |
Frequency characteristics-variable amplifying circuit and semiconductor integrated circuit device |
Oct. 16, 2007 |
| 7276975 |
Transistor integrated circuit apparatus |
Oct. 2, 2007 |
| 7266360 |
Low noise amplifier for wireless communications |
Sep. 4, 2007 |
| 7265630 |
Millimeter-wave unilateral low-noise amplifier |
Sep. 4, 2007 |
| 7259625 |
High Q monolithic inductors for use in differential circuits |
Aug. 21, 2007 |
| 7253688 |
Input matching circuit for multiband low noise amplifier |
Aug. 7, 2007 |
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