| Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673) |
|---|
| 03/12/1996 | US5498885 Modulation circuit |
| 03/07/1996 | WO1996007242A1 Stacked double balanced mixer circuit |
| 03/07/1996 | WO1996007235A1 Process and device for reshaping pairs of signals |
| 03/07/1996 | CA2197472A1 Method and apparatus for the correction of signal-pairs |
| 03/05/1996 | US5497123 Amplifier circuit having high linearity for cancelling third order harmonic distortion |
| 02/29/1996 | DE4430029A1 Direct conversion radiotelephone |
| 02/28/1996 | EP0698964A1 RF mixer stage |
| 02/28/1996 | EP0607176B1 Method for digitally demodulating a composite signal |
| 02/28/1996 | CN1117676A Radio receiver |
| 02/27/1996 | US5495202 High spectral purity digital waveform synthesizer |
| 02/27/1996 | US5495194 High frequency multiplier |
| 02/22/1996 | WO1996005661A1 Microwave radio system |
| 02/22/1996 | WO1996005652A1 Communication device with efficient multi-level digital demodulator |
| 02/21/1996 | EP0697765A2 Circuit for phase shift keying |
| 02/20/1996 | US5493720 High-intercept bandlimited mixer |
| 02/20/1996 | US5493719 Integrated superconductive heterodyne receiver |
| 02/20/1996 | US5493718 Dual-channel low current low noise block downconverter |
| 02/20/1996 | US5493710 Communication system having oscillation frequency calibrating function |
| 02/20/1996 | US5493581 Digital down converter and method |
| 02/20/1996 | US5493210 Combined signal level meter and leakage detector |
| 02/20/1996 | US5493209 Tunable trigger acquisition system and method for making in-service time-domain signal measurements |
| 02/15/1996 | WO1996004715A1 Line interface apparatus and method for isolating data terminal equipment from the line |
| 02/15/1996 | CA2171455A1 Line interface apparatus and method for isolating data terminal equipment from the line |
| 02/14/1996 | EP0696847A2 Voltage-to-current converting circuit operating with low supply voltage |
| 02/14/1996 | EP0696843A1 Oscillator and frequency synthesizer and communication apparatus using the oscillator |
| 02/08/1996 | WO1996003801A1 Dwarf waves mixer realized by windowing |
| 02/08/1996 | DE4423259A1 Wide band limited signal receiver |
| 02/07/1996 | CN1116375A Quadrature modulator with adaptive suppression of carrier leakage |
| 02/06/1996 | US5490173 Multi-stage digital RF translator |
| 02/01/1996 | WO1996002977A1 Method and apparatus for alias-driven frequency downconversion (mixing) |
| 02/01/1996 | DE4426543A1 Millimeterwellen-Mischer in Fenstertechnik Millimeter-wave mixer window technology |
| 02/01/1996 | DE19527027A1 Bidirectional tuner for CATV devices of multi-media outlets, domestic TV and video recorders |
| 01/31/1996 | EP0695066A2 Digital modulator for video signals |
| 01/30/1996 | US5488330 Bias circuit for controlling bias voltage of differential amplifier |
| 01/24/1996 | EP0693823A1 Circuit especially for digital modulation apparatuses |
| 01/24/1996 | CN1115589A Method of recovering a frequency modulated signal |
| 01/23/1996 | US5486796 Oscillator circuit for receiving a wide frequency band signal |
| 01/23/1996 | US5486787 Monolithic microwave integrated circuit apparatus |
| 01/18/1996 | DE19530812A1 Radio measuring receiver or spectrum analyser with image frequency suppression |
| 01/16/1996 | US5485108 Delayed detection type demodulator |
| 01/16/1996 | US5484987 Delayed detection type demodulator |
| 01/11/1996 | WO1996001006A1 Spurious response rejecting mixer using spread spectrum techniques |
| 01/10/1996 | EP0691733A2 Frequency converting circuit |
| 01/10/1996 | EP0691057A1 I/q quadraphase modulator circuit |
| 01/09/1996 | US5483696 Method and apparatus for using a balanced mixer as a switch |
| 01/04/1996 | WO1996000401A1 Electronic viewing aid |
| 01/04/1996 | WO1995031034A3 Microwave transmission system |
| 01/03/1996 | EP0690568A1 Frequency translated filter |
| 12/31/1995 | CA2149682A1 Micro-miniature radio receiver |
| 12/28/1995 | WO1995035548A1 Analog multiplier |
| 12/21/1995 | DE4430679C1 Verfahren und Vorrichtung zur Entzerrung von Signalpaaren Method and apparatus for equalization of signal pairs |
| 12/13/1995 | EP0687059A1 Image rejection apparatus for a base signal converted to an intermediate frequency |
| 12/13/1995 | EP0686324A1 Receiver having an adjustable bandwidth filter |
| 12/06/1995 | EP0685930A1 Radar transmitter/receivers |
| 11/30/1995 | WO1995032546A1 Modulator with harmonic mixers |
| 11/29/1995 | EP0683939A1 Radio transceiver comprising an arrangement for compensating for a dc component |
| 11/28/1995 | US5471665 Differential DC offset compensation circuit |
| 11/28/1995 | US5471652 Frequency synthesizer and multiplier circuit arrangement for a radio telephone |
| 11/28/1995 | CA2048148C Transmitter |
| 11/22/1995 | EP0683561A1 Low-cost low noise block down-converter with a self-oscillating mixer for satellite broadcast receivers |
| 11/21/1995 | US5469105 Transmitter and power amplifier therefor |
| 11/16/1995 | WO1995031034A2 Microwave transmission system |
| 11/16/1995 | CA2166556A1 Microwave transmission system |
| 11/14/1995 | US5467091 Radar and other communication systems having large bandwidth and large dynamic range |
| 11/09/1995 | WO1995030275A1 Method and apparatus for automatic gain control and dc offset cancellation in quadrature receiver |
| 11/09/1995 | DE4415859A1 Parallel differential amplifier integrated circuit for analog four quadrant multiplier or modulator-demodulator |
| 11/07/1995 | US5465420 Transconductance mixer with feedback |
| 11/07/1995 | US5465419 Arrangement for frequency conversion of an input signal with an oscillator signal to form an intermediate frequency signal |
| 11/07/1995 | US5465418 Self-oscillating mixer circuits and methods therefor |
| 11/07/1995 | US5465417 Integrated barium-ferrite tuned mixer for spectrum analysis to 60 GHz |
| 11/07/1995 | US5465416 Balanced output high-frequency transducers and mixers using the same with symmetrically located components |
| 11/07/1995 | US5465415 Even order term mixer |
| 11/07/1995 | US5465414 Automatic determination of the presence of a microwave signal and whether the signal is CW or pulsed |
| 11/02/1995 | EP0656161A4 Apparatus and method for frequency translation in a communication device. |
| 10/26/1995 | DE4413497A1 Polarisation-sepg. reception and frequency-changing of antenna signal |
| 10/25/1995 | EP0678974A2 A transmitter and/or receiver |
| 10/25/1995 | EP0678973A1 Receiving circuit for generating intermediate frequency signal having frequency characteristics independent of variations in temperature |
| 10/19/1995 | CA2147389A1 Receiving circuit for generating intermediated frequency signal having frequency characteristics independent of variatons in temperature |
| 10/11/1995 | EP0676861A1 Balancing mixer, distributor and band blocking filter used therefor, and method for mixing frequencies |
| 10/05/1995 | DE4430989C1 Signal mixer for radio telecommunications device |
| 10/03/1995 | US5455543 Low power consumption binary phase shift keyed (BPSK) modulator using absorptive electronic switching techniques |
| 09/27/1995 | CN1109250A Radio selective calling receiver having synthesizers |
| 09/26/1995 | US5453715 Communication device with efficient multi-level digital demodulator |
| 09/21/1995 | DE19509260A1 Transceiver signal processor for digital, cordless telephone |
| 09/12/1995 | US5450227 Optically injection-locked self-oscillating dual-gate MESFET mixer |
| 09/07/1995 | DE4425336C1 IF sampling circuit for mobile communications receiver |
| 09/05/1995 | US5448772 Stacked double balanced mixer circuit |
| 09/05/1995 | US5448197 Frequency conversion circuit and mixing circuit including the same |
| 08/29/1995 | US5446923 Mixer using fundamental frequency or second or third harmonic frequencies of a local oscillator for maximized resultant frequency mixer product |
| 08/29/1995 | US5446422 Dual mode FM and DQPSK modulator |
| 08/22/1995 | US5444736 Radio communication apparatus having an automatic frequency control circuit for controlling a transmission frequency on the basis of a reception frequency |
| 08/22/1995 | US5444399 Mixer circuit |
| 08/17/1995 | WO1995019073A3 Receiver having an adjustable bandwidth filter |
| 08/16/1995 | CN1106965A Low voltage RF amplifier and mixer with single bias block and method |
| 08/15/1995 | US5442653 Signal transmitting and receiving apparatus |
| 08/01/1995 | US5438693 R. F. mixer |
| 08/01/1995 | US5438692 Direct conversion receiver |
| 07/27/1995 | WO1995020284A1 I/q quadraphase modulator circuit |
| 07/19/1995 | EP0663725A1 Automatic frequency control circuit |
| 07/18/1995 | US5434889 Receiver comprising an arrangement for estimating a frequency deviation |