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Class Information
Number: 331/117FE
Name: Oscillators > Solid state active element oscillator > Transistors > L-c type > Field-effect transistor active element
Description:










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

Patent Number Title Of Patent Date Issued
4812785 Gyrator circuit simulating an inductance and use thereof as a filter or oscillator Mar. 14, 1989
4806884 High frequency generator Feb. 21, 1989
4797634 Controlled oscillator Jan. 10, 1989
4786903 Remotely interrogated transponder Nov. 22, 1988
4785264 Dual FET oscillator Nov. 15, 1988
4785263 FET oscillator circuit Nov. 15, 1988
4783638 Frequency doubling oscillator working at ultra-high frequencies Nov. 8, 1988
4783849 FET tuner Nov. 8, 1988
4775845 Microwave oscillator with external feedback Oct. 4, 1988
4768079 Field effect transistor device Aug. 30, 1988
4757433 Power supply Jul. 12, 1988
4755772 Switchable microwave oscillator Jul. 5, 1988
4754236 Frequency-doubling voltage-controlled oscillator Jun. 28, 1988
4748383 DC-AC converter for igniting and supplying a discharge lamp May. 31, 1988
4743866 Wide range oscillator May. 10, 1988
4736168 Dielectric resonator controlled oscillator having a raised frequency multiplying efficiency Apr. 5, 1988
4734658 Low voltage driven oscillator circuit Mar. 29, 1988
4727339 Start-stop oscillator having fixed starting phase and minimized quiescent power dissipation Feb. 23, 1988
4716383 Precise phase start-up voltage controlled oscillator with accurate duty cycle Dec. 29, 1987
4713632 Band reflection type FET dielectric resonator oscillator Dec. 15, 1987
4707669 Dielectric resonator microwave oscillator having enhanced negative resistance Nov. 17, 1987
4706045 Voltage controlled oscillator with dual loop resonant tank circuit Nov. 10, 1987
4703286 Dual gate tunable oscillator Oct. 27, 1987
4695809 Microwave sweep frequency oscillator Sep. 22, 1987
4677691 Microwave receiver Jun. 30, 1987
4673895 Oscillator having improved coupling between stripline and dielectric resonator Jun. 16, 1987
4670722 FET oscillator having controllable reactance element-controlled two port feedback network Jun. 2, 1987
4658440 Single balanced self-oscillating dual gate FET mixer Apr. 14, 1987
4649354 Switchable multi-frequency dielectric resonator oscillator Mar. 10, 1987
4631500 Microwave frequency divider having regenerative oscillation Dec. 23, 1986
4630003 FET oscillator exhibiting negative resistance due to high impedance at the source of an FET thereof Dec. 16, 1986
4630002 Very high frequency oscillator with gyromagnetic resonators Dec. 16, 1986
4626802 GaAs FET oscillator noise reduction circuit Dec. 2, 1986
4616193 High frequency transistor oscillator with discrete resonator elements for transponder Oct. 7, 1986
4613829 Switchable oscillator circuit Sep. 23, 1986
4609884 Level control for a voltage controlled oscillator Sep. 2, 1986
4605909 Dual gate FET oscillator mixer Aug. 12, 1986
4602221 High frequency energy source Jul. 22, 1986
4599581 Temperature stabilizing microwave oscillator circuit Jul. 8, 1986
4599582 Device for switching a dielectric-resonator-stabilized oscillator on and off Jul. 8, 1986
4596955 Phase-locked loop and device for demodulating frequency modulated signals, comprising such a loop Jun. 24, 1986
4596966 Variable capacitor-controlled transistorized ultra-high frequency oscillator Jun. 24, 1986
4591809 High frequency power source May. 27, 1986
4581592 Saw stabilized oscillator with controlled pull-range Apr. 8, 1986
4580109 Low noise oscillator Apr. 1, 1986
4565978 Integrable oscillator circuit Jan. 21, 1986
4553110 JFET Reflection oscillator Nov. 12, 1985
4547749 Voltage and temperature compensated FET ring oscillator Oct. 15, 1985
4547750 FET Oscillator exhibiting negative resistance due to high impedance at the source of an FET thereof Oct. 15, 1985
4539530 Transistorized microwave oscillator of oscillation frequency multiplying type Sep. 3, 1985

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