Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
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:

Class Number Class Name Patents
330/306 And bandpass, broadband (e.g., wideband) or sidepass means 358
330/304 And equalizing means 114
330/305 And tuning means 261
330/303 Including an active device in the filter means 127


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
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
7411458 Method and apparatus for controlling an output voltage in a power amplifier Aug. 12, 2008
7412219 High-frequency amplifier having simple circuit structure and television tuner using high-frequency 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
7378907 Selective differential low-noise amplifier May. 27, 2008
7378910 Power amplifier for a transmitter 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
7355481 Amplification circuit and control method of amplification circuit Apr. 8, 2008
7355479 Neutralization of feedback capacitance in amplifiers Apr. 8, 2008
7355476 Input stage for an amplifier Apr. 8, 2008
7345539 Broadband microwave amplifier Mar. 18, 2008
7342458 Negative gain transductance amplifier circuit Mar. 11, 2008
7342443 Operational amplifier 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
7265630 Millimeter-wave unilateral low-noise amplifier Sep. 4, 2007
7266360 Low noise amplifier for wireless communications 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
7245181 Linear amplifier Jul. 17, 2007
7245186 Bandpass amplifier Jul. 17, 2007
7224225 Differential inductor based low noise amplifier May. 29, 2007
7221221 Power amplifier with pre-distorter May. 22, 2007
7221228 Radio frequency power amplifier module May. 22, 2007
7215205 Power amplifier arrangement and method for processing a radiofrequency signal May. 8, 2007

1 2 3 4 5 6 7 8 9 10 11 12 13 14










 
 
  Recently Added Patents
Parallel processing computer systems with reduced power consumption and methods for providing the same
Electromagnetic shield for a passive electronic component in an active medical device implantable lead
Compositions and processes for forming photovoltaic devices
Probe for ultrasound diagnostic apparatus
Sparse network almanac
Single-stage PFC converter with constant voltage and constant current
Method and system for establishing security connection between switch equipments
  Randomly Featured Patents
Concrete block mold with moveable liner
Paintball marker with ability to discharge different sized projectiles
Replacing displacement in control transfer instruction with encoding indicative of target address, including offset and target cache line location
Safety device for controlling the opening of an automobile door
Utensil assembly
Breeze animated decoys
Apparatus, system, and method for optical verification of product information
Chassis foot and optional castor assembly
Apparatus and method for helping in the reading of an electronic message
Method and device for detecting blocked condition in a tube of a liquid infusion pump