| Patents for H03C 3 - Angle modulation (3,926) |
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| 05/09/1995 | US5414392 Amplifier circuit |
| 05/04/1995 | WO1995012243A1 Fractional-n frequency synthesis with residual error correction |
| 05/02/1995 | US5412353 Phase-locked loop frequency modulation circuit for input modulation signals having low-frequency content |
| 05/02/1995 | US5412351 Quadrature local oscillator network |
| 04/27/1995 | DE4340722C1 Device for suppressing a residual carrier produced during modulation at the transmitting end |
| 04/25/1995 | US5410279 Balanced type phase modulator for use in microwave band |
| 04/13/1995 | WO1995010136A1 A quadrature local oscillator network |
| 04/11/1995 | CA2087719C Frequency modulated synthesizer using low frequency offset mixed vco |
| 04/05/1995 | EP0647015A2 Modulators |
| 04/05/1995 | CN1101181A Feedback loop closure in a linear transmitter |
| 04/04/1995 | US5404378 Distortion compensating circuit |
| 03/29/1995 | CA2132789A1 Modulators |
| 03/23/1995 | DE4420376A1 Modulator Modulator |
| 03/21/1995 | US5399998 Digital FM modulator |
| 03/16/1995 | DE4321000A1 Frequency modulation method |
| 03/16/1995 | DE4320999A1 Frequency modulation method |
| 03/16/1995 | DE4320997A1 Frequency modulation method |
| 03/07/1995 | US5396196 Quadrature modular with adaptive suppression of carrier leakage |
| 02/28/1995 | US5394154 High-frequency signal generator and radar module |
| 02/21/1995 | US5392460 Dual mode radiotelephone terminal selectively operable for frequency modulated or phase modulated operation |
| 02/15/1995 | EP0638994A1 Transmitter and power amplifier therefor |
| 02/14/1995 | US5390213 Digital FM synthesizer for record circuitry |
| 02/14/1995 | US5390168 Radio frequency transmission circuit |
| 02/07/1995 | US5387883 Quadrature modulator having controlled phase shifter |
| 02/07/1995 | CA2022128C Subscriber unit for wireless digital subscriber communication system |
| 01/19/1995 | WO1994026049A3 Wireless data transceiver |
| 01/18/1995 | EP0634834A1 Linear, voltage-controlled oscillator |
| 01/10/1995 | US5381108 Automatic calibration of the quadrature balance within a cartesian amplifier |
| 01/05/1995 | DE4320996A1 FM-modulation method for digital carrier signal |
| 01/04/1995 | EP0632576A1 Frequency modulation method |
| 01/04/1995 | EP0632575A1 Quadrature modulator |
| 01/04/1995 | EP0632369A1 CORDIC algorithms and architectures |
| 12/28/1994 | EP0631378A1 Frequency modulation method |
| 12/28/1994 | EP0631377A2 Method for frequency modulation |
| 12/28/1994 | EP0631376A2 Method for frequency modulation |
| 12/28/1994 | EP0630535A1 Pll circuit modulatable by a modulation signal having a direct current component. |
| 12/20/1994 | US5374903 Generation of wideband linear frequency modulation signals |
| 12/06/1994 | US5371481 Tuning techniques for I/Q channel signals in microwave digital transmission systems |
| 11/30/1994 | EP0472589B1 A channel frequency generator for use with a multi-frequency output generator |
| 11/23/1994 | CN1026745C Multiple accumulator fractional n synthesis with series recombination |
| 11/10/1994 | WO1994026049A2 Wireless data transceiver |
| 11/10/1994 | DE4416177A1 Balanced phase modulator for use in the microwave band |
| 11/09/1994 | EP0532702B1 Digital fm synthesizer for record circuitry |
| 10/26/1994 | EP0621683A2 Dual mode radiotelephone terminal |
| 10/18/1994 | US5357222 Voltage controlled component including a capacitive diode biased to operate in the linear region |
| 10/11/1994 | US5355101 Quadrature modulator having circuit for correcting phase error |
| 09/29/1994 | DE4309682A1 Arrangement for frequency shift control in the transmitter of an FSK system |
| 09/28/1994 | EP0617532A1 Calibration method for vector modulators |
| 09/27/1994 | US5351016 Adaptively self-correcting modulation system and method |
| 09/15/1994 | WO1994020888A3 Radio frequency telecommunications transceiver |
| 09/15/1994 | WO1994020888A2 Radio frequency telecommunications transceiver |
| 09/13/1994 | US5347240 Circuit and method for automatically controlling the carrier frequency of a video recording device |
| 09/06/1994 | US5345165 Frequency-stabilized two-state modulation using hysteresis control |
| 08/18/1994 | DE4320087C1 Control generator with phase-locked loop |
| 08/17/1994 | EP0610995A2 PLL frequency synthesizer, in particular for frequency hopping systems with direct frequency modulation |
| 08/16/1994 | US5339055 Serrodyne phase modulator having ramp generated by combining two oscillator signals |
| 08/09/1994 | US5337024 Phase locked loop frequency modulator using fractional division |
| 08/04/1994 | DE4302543A1 Phase modulator for mobile communication systems |
| 08/03/1994 | EP0608867A1 Frequency control circuit of FM modulator |
| 07/27/1994 | CN1090101A Method for modulation of transmitting signals in communication equipment especially radio communication equipment |
| 07/26/1994 | US5332980 Modulation circuit having frequency sensitive power supply voltage |
| 07/26/1994 | CA2016901C Channel frequency generator for use with a multi-frequency output generator |
| 07/19/1994 | US5331293 Compensated digital frequency synthesizer |
| 07/12/1994 | US5329260 Numerically-controlled modulated oscillator and modulation method |
| 06/28/1994 | US5325396 Digital synthesizer |
| 06/28/1994 | US5325075 Method and circuit arrangement to generate a phase modulated or frequency modulated signal |
| 06/22/1994 | EP0602952A2 Continuously variable electronically controlled phase shift circuit |
| 06/15/1994 | EP0593642A4 Multi-loop synthesizer |
| 06/09/1994 | DE4241241A1 Frequency-modulated voltage controlled oscillator - has control voltage input connected to second capacitance diode and also to first capacitor diode via inductance |
| 06/07/1994 | CA2033301C Modulation device with input signal modification for correction of amplifier nonlinearities |
| 05/31/1994 | US5317288 Continuously variable electronically controlled phase shift circuit |
| 05/31/1994 | US5317276 Phase shifter |
| 05/25/1994 | EP0598585A2 Automatic calibration of the quadrature balance within a cartesian amplifier |
| 05/17/1994 | US5313173 Quadrature modulated phase-locked loop |
| 05/11/1994 | WO1994010747A1 Method of modulating transmission signals in communications equipment, in particular wireless communications equipment |
| 05/11/1994 | CN1086650A Method and apparatus for digital modulation using concurrent pulse addition and subtraction |
| 05/10/1994 | US5311152 Phase locked loop with D.C. modulation |
| 05/05/1994 | DE4235923A1 Anordnung zur Modulation von Übertragungssignalen in einer Kommunikationseinrichtung Arrangement for the modulation of transmission signals in a communication device |
| 04/28/1994 | WO1994009561A1 Method and apparatus for digital modulation using concurrent pulse addition and subtraction |
| 04/27/1994 | EP0593642A1 Multi-loop synthesizer |
| 04/12/1994 | US5303412 Composite direct digital synthesizer |
| 04/12/1994 | CA1328492C Signal generator utilizing a combined phase locked and frequency locked loop |
| 04/06/1994 | EP0590938A2 Digital frequency modulator |
| 04/05/1994 | US5301367 Direct digital synthesizer for producing a modulated intermediate frequency in a radio apparatus |
| 03/29/1994 | CA1328126C Signal generator utilizing a combined phase locked and frequency locked loop |
| 03/23/1994 | EP0588444A1 Modulation system capable of accurately compensating for nonlinearities of an amplifier connected thereto |
| 03/17/1994 | WO1994006204A1 Compensated digital frequency synthesizer |
| 03/16/1994 | EP0587454A2 High-frequency signal generator and radar module |
| 02/22/1994 | US5289502 Signal processing device |
| 02/22/1994 | US5289141 Generating an output signal |
| 02/15/1994 | CA2049346C Fast-switching frequency synthesizer |
| 02/09/1994 | EP0581799A1 Adaptive phase control for a power amplifier predistorter. |
| 01/25/1994 | US5282224 Signal processing integrated circuit device |
| 01/25/1994 | US5281930 Frequency modulator |
| 01/18/1994 | US5280290 Self-oscillating mixer circuits, and FMCW radar |
| 01/11/1994 | CA2027890C Digital process and device for correcting the non-linearity of a transmission system |
| 12/29/1993 | CN1023367C Controlled slew rate amplifier |
| 12/21/1993 | US5272454 Digital FM modulator using direct digital synthesizer |
| 11/30/1993 | US5266957 Proximity fuze transceiver |
| 11/30/1993 | US5266907 Continuously tuneable frequency steerable frequency synthesizer having frequency lock for precision synthesis |