| Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673) |
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| 11/06/1984 | US4481490 Modulator utilizing high and low frequency carriers |
| 10/30/1984 | US4480337 Transistor mixer and amplifier input stage |
| 10/30/1984 | US4480336 Orthogonal hybrid fin-line mixer |
| 10/23/1984 | US4479260 Coupling and mixing circuit comprising a dual source transistor |
| 10/23/1984 | US4479259 Transistor oscillator circuit |
| 10/23/1984 | US4479257 Superheterodyne circuit having variable bandwidth and center frequency shift function |
| 10/09/1984 | US4476585 Baseband demodulator for FM signals |
| 10/03/1984 | EP0120543A1 Tunable receiver input circuit |
| 09/26/1984 | EP0119439A2 Diode mixer with bias control and its application |
| 09/26/1984 | EP0119397A2 Conversion arrangement for phase-coupled carrier frequency-transmission systems |
| 09/18/1984 | US4472685 Phase-locked loop frequency demodulator and frequency synthesizer |
| 09/11/1984 | CA1174353A1 Up-down frequency converter for cable t.v. |
| 09/04/1984 | US4470147 Radio receiver with quadrature demodulation and digital processing |
| 08/07/1984 | US4464770 Synchronous radio or television receiver with analog high frequency section followed by digital low frequency section |
| 07/17/1984 | US4461042 Transistor balanced mixer |
| 07/17/1984 | US4461040 Integrated single balanced mixer/oscillator with slot and hybrid coupler |
| 07/03/1984 | US4458211 Integrable signal-processing semiconductor circuit |
| 06/26/1984 | US4457022 Two diode image rejection and pseudo-image enhancement mixer |
| 06/13/1984 | EP0110719A1 Oscillating circuit |
| 06/13/1984 | EP0110324A1 Microwave receiving apparatus using a waveguide filter |
| 05/15/1984 | US4449245 High gain balanced mixer |
| 04/10/1984 | CA1165387A1 Sampling frequency converter |
| 04/03/1984 | CA1165004A1 Controllable multiplying circuit including first and second transistors arranged in long-tailed pair configuration having coupled emitter electrodes |
| 03/14/1984 | EP0102888A1 Mixer for ultra high frequency electromagnetic waves with sum frequency recovery |
| 03/07/1984 | EP0102128A2 R.F. balanced mixer |
| 03/07/1984 | EP0102127A2 R.F. circuit arrangement |
| 03/06/1984 | US4435848 Stripline microwave balanced mixer circuit |
| 02/29/1984 | EP0101611A2 Transmitter-receiver module |
| 02/07/1984 | US4430758 Suspended-substrate co-planar stripline mixer |
| 01/24/1984 | CA1161117A1 Converter circuit for television signals |
| 01/03/1984 | US4424492 Apparatus and means for high speed digital frequency shifting |
| 12/28/1983 | EP0097075A1 Very high frequency mixer for electromagnetic waves |
| 12/13/1983 | US4420839 Hybrid ring having improved bandwidth characteristic |
| 11/29/1983 | US4418429 Mixer for use in a microwave system |
| 11/22/1983 | CA1157538A1 Switched-capacitor modulator |
| 11/16/1983 | EP0094047A1 A mixer for use in a microwave system |
| 10/25/1983 | US4412354 Millimeter-wave stripline planar mixer |
| 10/25/1983 | US4412352 Frequency conversion circuit |
| 10/25/1983 | US4412351 Microwave mixing circuit |
| 10/25/1983 | CA1155927A1 Balanced modulator |
| 10/18/1983 | US4411022 Integrated circuit mixer apparatus |
| 10/12/1983 | EP0091378A1 Frequency conversion unit |
| 10/12/1983 | EP0091042A1 Millimeter-wave mixer |
| 10/11/1983 | US4409555 Quadrature stepwave frequency converter |
| 10/04/1983 | US4408352 High power level mixer apparatus |
| 10/04/1983 | US4408351 Directly mixing receiving system |
| 10/04/1983 | US4408347 High-frequency channel selector having fixed bandpass filters in the RF section |
| 10/04/1983 | CA1154830A1 Microwave circuit for a parametric upper sideband down converter |
| 09/20/1983 | US4406020 Millimeter wave printed circuit mixer |
| 09/07/1983 | EP0087841A1 Use of a dual gate field-effect transistor with an interposed conductor for the rejection of a frequency band |
| 09/06/1983 | US4403156 Frequency conversion circuit |
| 08/31/1983 | EP0087336A1 Transistor mixer for microwave frequency transmitters |
| 08/16/1983 | US4399562 Full balun mixer |
| 08/10/1983 | EP0085401A1 Electronic circuitry operable with low supply voltage |
| 08/09/1983 | CA1151735A1 Broadcast signal receiving system for directly recovering the modulating signal from a received modulated high frequency signal |
| 08/03/1983 | EP0084876A2 Demodulator arrangement for signals which are frequency-modulated on a carrier wave |
| 07/12/1983 | CA1149877A1 Circuit arrangement for a wide-band vhf-uhf television double superheterodyne receiver |
| 07/05/1983 | US4392251 Symmetric microwave mixer with coplanar diode connection |
| 07/05/1983 | US4392250 Symmetric microwave mixer |
| 07/05/1983 | CA1149465A1 Broad-band passive ring mixer |
| 06/22/1983 | EP0081818A2 Microwave integrated circuit frequency converter |
| 06/22/1983 | EP0081555A1 Intermodulation cancelling mixer |
| 06/15/1983 | EP0081259A1 Mixer-combiner with a transistor having two sources |
| 06/14/1983 | US4388540 Controllable multiplier circuit with expanded gain control range |
| 05/10/1983 | US4383334 Intermodulation cancelling mixer |
| 05/04/1983 | EP0078187A2 High-frequency subharmonic mixing device, and its use in a h.f. frequency-converter |
| 04/20/1983 | EP0077091A1 Multiplier circuit for stereo decoders |
| 04/19/1983 | US4380831 Symmetric microwave mixer with improved isolation |
| 04/19/1983 | US4380830 Microwave up-converter |
| 04/19/1983 | US4380829 Simplified double balanced frequency converter |
| 04/19/1983 | US4380828 UHF MOSFET Mixer |
| 04/06/1983 | EP0076095A1 Direct conversion radio receiver for F.M. signals |
| 03/23/1983 | EP0074858A2 Radio receiver |
| 03/16/1983 | EP0073929A2 Integrable signal processing semiconductor circuit |
| 03/15/1983 | US4377005 Ultra-high frequency hybrid mixer |
| 03/15/1983 | CA1143013A1 Receiver for frequency modulated signals having two quadrature channels |
| 03/01/1983 | US4375700 Low frequency converter with isolated mixer sections |
| 03/01/1983 | US4375699 Microwave frequency converter with dual balun port |
| 02/01/1983 | US4371982 Microwave frequency converter with economical coupling |
| 01/18/1983 | US4369522 Singly-balanced active mixer circuit |
| 01/04/1983 | US4367560 Low frequency converter with diode quad mixer |
| 12/23/1982 | WO1982004511A1 Intermodulation cancelling mixer |
| 12/21/1982 | US4365350 Low frequency converter with diode pair mixer |
| 12/21/1982 | CA1138046A1 Mixer termination for flat frequency response |
| 12/07/1982 | US4363133 Converter circuit for television signals |
| 11/30/1982 | US4361910 Ground loop injection VHF tuner |
| 11/23/1982 | US4360791 Frequency converting filter |
| 11/16/1982 | US4359782 Microwave mixer with linking juxtaposed balun port |
| 11/16/1982 | US4359781 Balun coupled microwave frequency converter with single pair of diodes |
| 11/03/1982 | EP0063819A2 Microwave balanced mixer circuit using microstrip transmission lines |
| 10/20/1982 | EP0062872A1 Receiving system |
| 10/19/1982 | US4355421 Broadband mixer with coplanar balun |
| 10/19/1982 | US4355420 Frequency converter capable of eliminating local power leak |
| 09/28/1982 | US4352210 Linear mixer with reduced spurious responses |
| 09/28/1982 | US4352209 Up-down frequency converter for cable T.V. |
| 09/15/1982 | EP0060153A1 Analog frequency divider using a dual gate field effect transistor for very high frequencies |
| 09/01/1982 | EP0059000A1 A direct modulation FM demodulator |
| 08/31/1982 | CA1130937A1 Electronic tuning circuit having image trapping element |
| 08/31/1982 | CA1130868A1 Double-balanced mixer circuit provided with a stripline for each side of the diode ring |
| 08/24/1982 | US4346477 Phase locked sampling radio receiver |