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
6388527 Semiconductor circuit with a stabilized gain slope May. 14, 2002
6384399 Optical receiving circuit comprising a reflection coefficient setting circuit May. 7, 2002
6384688 High-frequency power amplifier module May. 7, 2002
6377124 Biasing arrangement for field effect transistors Apr. 23, 2002
6373331 Method and apparatus for reducing transistor amplifier hysteresis Apr. 16, 2002
6366166 Double pass band amplifier circuit and a radio frequency reception head Apr. 2, 2002
6359513 CMOS power amplifier with reduced harmonics and improved efficiency Mar. 19, 2002
6346859 Microwave amplifier with reduced beat noise Feb. 12, 2002
6329877 Efficient power amplifier Dec. 11, 2001
6326849 Isolation circuit for use in RF amplifier bias circuit Dec. 4, 2001
6320462 Amplifier circuit Nov. 20, 2001
6317002 Circuit for efficiently producing low-power radio frequency signals Nov. 13, 2001
6313699 Power amplifier and communication unit Nov. 6, 2001
6313700 Power amplifier and communication unit Nov. 6, 2001
6313706 Semiconductor circuit with a stabilized gain slope Nov. 6, 2001
6310517 Microwave amplifier Oct. 30, 2001
6307436 Predistortion type linearizer with a resonant circuit and common gate FET Oct. 23, 2001
6300827 Method and apparatus for cascaded ground return amplifier Oct. 9, 2001
6300669 Semiconductor integrated circuit device and method of designing same Oct. 9, 2001
6297700 RF power transistor having cascaded cells with phase matching between cells Oct. 2, 2001
6297696 Optimized power amplifier Oct. 2, 2001
6292060 Technique to generate negative conductance in CMOS tuned cascode RF amplifiers Sep. 18, 2001
6281747 Power efficient line driver Aug. 28, 2001
6281754 Amplifier circuit Aug. 28, 2001
6281755 High-frequency power amplifier Aug. 28, 2001
6281756 Transistor with internal matching circuit Aug. 28, 2001
6278329 Low-noise amplifier stage with matching network Aug. 21, 2001
6275113 High frequency tuning amplifier for buffer Aug. 14, 2001
6265944 Fully integrated broadband RF voltage amplifier with enhanced voltage gain and method Jul. 24, 2001
6252461 Technique for wideband operation of power amplifiers Jun. 26, 2001
6249186 High-frequency power amplifier circuit and high-frequency power amplifier module Jun. 19, 2001
6246283 Power efficient line driver Jun. 12, 2001
6242986 Multiple-band amplifier Jun. 5, 2001
6236274 Second harmonic terminations for high efficiency radio frequency dual-band power amplifier May. 22, 2001
6232841 Integrated tunable high efficiency power amplifier May. 15, 2001
6232840 Transistor amplifier having reduced parasitic oscillations May. 15, 2001
6218904 Biasing scheme for GAASFET amplifier Apr. 17, 2001
6215359 Impedance matching for a dual band power amplifier Apr. 10, 2001
6215360 Semiconductor chip for RF transceiver and power output circuit therefor Apr. 10, 2001
6211738 Stability and enhanced gain of amplifiers using inductive coupling Apr. 3, 2001
6198352 Radio frequency low noise amplifier fabricated in complementary metal oxide semiconductor technology Mar. 6, 2001
6181200 Radio frequency power device Jan. 30, 2001
6177841 High frequency power amplifier Jan. 23, 2001
6166599 Impedance matching networks for non-linear circuits Dec. 26, 2000
6166604 Semiconductor amplifier with compensated passing gain characteristic and passing phase characteristic Dec. 26, 2000
6163222 Buffer amplifier with frequency selective mechanism Dec. 19, 2000
6163221 High-frequency amplification device Dec. 19, 2000
6147557 Semiconductor circuit compensating for changes in gain slope of the circuit's gain-frequency characteristic caused by ambient temperature changes Nov. 14, 2000
6140892 Distributed constant circuit Oct. 31, 2000
6133793 Circuit and method of amplifying a signal for a receiver Oct. 17, 2000

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










 
 
  Recently Added Patents
System and method for optimizing use of plug-in air conditioners and portable heaters
Digital camera dock having movable guide pins
Method and apparatus for selective decoding in a wireless communication system
Light-emitting device package structure
Audio conversation apparatus
Liquid crystal display device
Methods, devices and computer program products providing for establishing a model for emulating a physical quantity which depends on at least one input parameter, and use thereof
  Randomly Featured Patents
Electrical connector with metal stiffeners
Inflatable headband
Heating and handling system for objects
Vacuum load break switch
Semiconductor device and manufacturing method thereof
Fine pitch system and method for reinforcing bond pads in semiconductor devices
Identification and characterization of an anthocyanin mutant (ANT1) in tomato
Auxiliary axle assembly
Selective 6-acylation of sucrose mediated by cyclic adducts of dialkyltin oxides and diols
Replaceable fairing for a turbine exhaust case