Patents
Patents for H03D 9 - Demodulation or transference of modulation of modulated electromagnetic waves (1,196)
04/1985
04/02/1985US4509209 Quasi-optical polarization duplexed balanced mixer
04/02/1985US4509208 Frequency conversion unit
03/1985
03/12/1985US4504791 Sampling frequency converter
03/06/1985EP0133799A2 Tuning system on dielectric substrates
02/1985
02/05/1985CA1182180A1 Simplified double balanced frequency converter
01/1985
01/23/1985EP0131633A1 Frequency converter
01/22/1985US4495499 Integrated oscillator-duplexer-mixer
01/03/1985WO1985000080A1 Millimeter-wave quasi-optical planar balanced mixer
01/01/1985US4491977 Millimeter-wave quasi-optical planar balanced mixer
12/1984
12/11/1984US4488109 Phase detectors for detecting a mutual phase difference between two signals
11/1984
11/27/1984US4485488 Microwave subharmonic mixer device
11/21/1984EP0125449A2 Aperture-coupled microwave apparatus
11/07/1984EP0124168A2 Mixer
10/1984
10/30/1984US4480336 Orthogonal hybrid fin-line mixer
10/23/1984US4479260 Coupling and mixing circuit comprising a dual source transistor
09/1984
09/11/1984US4471313 Demodulator for phase difference demodulated signals
08/1984
08/14/1984US4465990 Microwave detector arrangement
08/02/1984WO1984003008A1 Frequency converter
07/1984
07/17/1984US4461040 Integrated single balanced mixer/oscillator with slot and hybrid coupler
07/17/1984US4461039 Quasi-optical balanced biconical mixer
06/1984
06/13/1984EP0110324A1 Microwave receiving apparatus using a waveguide filter
06/12/1984US4453802 Evanescent-wave coupling device
05/1984
05/22/1984US4450584 Microwave integrated circuit mixer
04/1984
04/10/1984CA1165387A1 Sampling frequency converter
03/1984
03/14/1984EP0102888A1 Mixer for ultra high frequency electromagnetic waves with sum frequency recovery
03/07/1984EP0102128A2 R.F. balanced mixer
03/07/1984EP0102127A2 R.F. circuit arrangement
03/06/1984US4435848 Stripline microwave balanced mixer circuit
02/1984
02/29/1984EP0101611A2 Transmitter-receiver module
02/08/1984EP0100274A1 Matching and isolatung arrangement with ferrite circulator
02/07/1984US4430758 Suspended-substrate co-planar stripline mixer
01/1984
01/31/1984US4429417 Integrated antenna, amplifier and converter for microwave frequencies
01/24/1984US4427938 Very-wide-band samplers
01/10/1984US4425549 Fin line circuit for detecting R.F. wave signals
12/1983
12/28/1983EP0097075A1 Very high frequency mixer for electromagnetic waves
12/13/1983US4420839 Hybrid ring having improved bandwidth characteristic
11/1983
11/29/1983US4418430 Millimeter-wavelength overmode balanced mixer
11/29/1983US4418429 Mixer for use in a microwave system
11/16/1983EP0094047A1 A mixer for use in a microwave system
10/1983
10/25/1983US4412354 Millimeter-wave stripline planar mixer
10/25/1983US4412351 Microwave mixing circuit
10/18/1983US4411022 Integrated circuit mixer apparatus
10/12/1983EP0091378A1 Frequency conversion unit
10/12/1983EP0091201A1 Microwave discriminator
10/12/1983EP0091042A1 Millimeter-wave mixer
10/04/1983CA1154830A1 Microwave circuit for a parametric upper sideband down converter
09/1983
09/20/1983US4406020 Millimeter wave printed circuit mixer
09/07/1983EP0087841A1 Use of a dual gate field-effect transistor with an interposed conductor for the rejection of a frequency band
08/1983
08/16/1983US4399562 Full balun mixer
08/09/1983CA1151739A1 Electronically tuned gunn oscillator and mixer including the same
07/1983
07/20/1983EP0083895A1 Microwave circuit acting as modulator, mixer and transmission-reception separator and devices using such a circuit
07/05/1983US4392255 Compact subharmonic mixer for EHF wave receiver using a single wave guide and receiver utilizing such a mixer
07/05/1983US4392251 Symmetric microwave mixer with coplanar diode connection
07/05/1983US4392250 Symmetric microwave mixer
06/1983
06/22/1983EP0081818A2 Microwave integrated circuit frequency converter
06/15/1983EP0081259A1 Mixer-combiner with a transistor having two sources
06/07/1983US4387347 Delay line frequency discriminator for stabilizing an oscillator
05/1983
05/04/1983EP0078187A2 High-frequency subharmonic mixing device, and its use in a h.f. frequency-converter
05/04/1983EP0077915A2 Evanescent-wave coupling device
04/1983
04/19/1983US4380831 Symmetric microwave mixer with improved isolation
04/19/1983US4380830 Microwave up-converter
04/19/1983US4380829 Simplified double balanced frequency converter
04/12/1983CA1144613A1 Waveguide device
03/1983
03/15/1983US4377005 Ultra-high frequency hybrid mixer
03/01/1983US4375699 Microwave frequency converter with dual balun port
02/1983
02/01/1983US4371982 Microwave frequency converter with economical coupling
01/1983
01/18/1983US4369522 Singly-balanced active mixer circuit
01/05/1983EP0068870A2 Microwave integrated circuit mixer
11/1982
11/30/1982US4361818 Balanced converter for microwave range
11/23/1982US4360865 Broad band microwave detector
11/16/1982US4359782 Microwave mixer with linking juxtaposed balun port
11/16/1982US4359781 Balun coupled microwave frequency converter with single pair of diodes
11/03/1982EP0063819A2 Microwave balanced mixer circuit using microstrip transmission lines
10/1982
10/19/1982US4355421 Broadband mixer with coplanar balun
10/05/1982US4353070 Broad band system operating in the submillimeter wave range
09/1982
09/22/1982EP0060654A1 Improvements in or relating to electronic distance measuring instruments
09/07/1982US4348773 Microwave receiver converters having a hybrid waveguide structure
08/1982
08/31/1982CA1130868A1 Double-balanced mixer circuit provided with a stripline for each side of the diode ring
08/24/1982CA1130484A1 Impedance matched tuning device having image trapping circuit
08/11/1982EP0057480A1 Oscillator-mixer device stabilized by a dielectric resonator
07/1982
07/27/1982US4342009 Electronically tuned Gunn oscillator and mixer including the same
07/20/1982US4340975 Microwave mixing circuit and a VHF-UHF tuner having the mixing circuit
07/20/1982CA1128135A1 Microwave mixing circuit
06/1982
06/01/1982US4333076 Ultra-high frequency simultaneous transmission and reception head, millimeter wave transmitter - receiver and radar using such a head
05/1982
05/18/1982US4330868 Balun coupled microwave frequency converter
04/1982
04/28/1982EP0050393A2 Finline circuit configuration
04/20/1982US4326180 Microwave backdiode microcircuits and method of making
04/13/1982US4325144 Hysteretic SIS junction mixer
03/1982
03/17/1982EP0047686A1 Hybrid microwave mixer
03/16/1982US4320536 Subharmonic pumped mixer circuit
02/1982
02/23/1982US4317231 Microwave circuit for a parametric upper sideband down converter
02/09/1982CA1118050A1 Integrated mixer arrangement
01/1982
01/27/1982EP0044774A1 Hybrid up-converter
01/26/1982US4313223 Signal-amplification frequency-conversion apparatus having a common active component
01/26/1982CA1117189A1 Balanced active mixer circuit
12/1981
12/15/1981US4306312 Symmetric mixer for millimeter waves and a receiver using such a mixer
12/15/1981US4306311 Double-balanced mixer circuit
12/08/1981CA1114023A1 Microwave input circuit with parametric down converter
11/1981
11/03/1981US4298990 Frequency converter of electromagnetic radiation in millimeter and submillimeter wavelength range
10/1981
10/06/1981US4293956 Double-balanced mixer
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