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Class Information
Number: 330/61A
Name: Amplifiers > With resistive-type amplifying device > Negative resistance amplifiers
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
8526907 Power consumption reduction technique for integrated wireless radio receiver front-ends Sep. 3, 2013
6985053 Negative resistance circuit Jan. 10, 2006
6870447 Tuning circuit Mar. 22, 2005
6573788 Amplifier device with frequency-response-compensating amplifier reactance, and use of the amplifier device Jun. 3, 2003
6414551 Multi-space structure amplifier Jul. 2, 2002
5920231 Negative differential resistance amplifier Jul. 6, 1999
4409557 Bandpass filter with an active element Oct. 11, 1983
4338582 Electronically tunable resonator circuit Jul. 6, 1982
4175257 Modular microwave power combiner Nov. 20, 1979
4090155 Transmission line for electromagnetic wave May. 16, 1978
4063186 Broadband millimeter wave amplifier Dec. 13, 1977
4050032 Avalanche diode amplifier Sep. 20, 1977
4025872 Negative resistance network May. 24, 1977
4021750 Broad-band TRAPATT amplifier having a tapered idler circuit May. 3, 1977
4009446 Dual diode microwave amplifier Feb. 22, 1977
4005372 Frequency tunable microwave apparatus having a variable impedance hybrid idler circuit Jan. 25, 1977
3974459 Millimeter waveguide oscillator and amplifier structure Aug. 10, 1976
3946336 Microwave solid state circuit employing a bipolar transistor structure Mar. 23, 1976











 
 
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