Patents for H03B 5 - Generation of oscillations using amplifier with regenerative feedback from output to input (11,466)
08/1989
08/29/1989CA1258890A1 Dielectric resonator controlled oscillator having a raised frequency multiplying efficiency
08/22/1989US4860017 Saw circuit for generating continuous time-coherent RF carriers
08/22/1989US4859969 Single transistor dual mode crystal oscillator(U)
08/02/1989EP0326202A1 Voltage-controlled oscillator
08/01/1989US4853655 High frequency CMOS oscillator
07/1989
07/26/1989EP0325394A2 Transmitter having PLL circuit
07/25/1989US4851792 Temperature-compensated oscillator circuit
07/25/1989US4851791 Temperature-compensated piezoelectric oscillator
07/25/1989US4851790 Crystal controlled oscillator exhibiting reduced levels of crystal-induced low frequency noise, vibration sensitivity and circuit temperature rise
07/19/1989EP0324246A1 Inductor-less mmic oscillator
07/19/1989EP0323996A1 Oscillator network and quadrature network for radio receiver
07/18/1989US4849716 Direct optical injection locking circuitry utilizing optical oscillator tuning
07/12/1989EP0323794A1 Sinusoidal oscillator with instant start-up
07/11/1989US4847567 Monolithically integrable, amplitude-controllable oscillator amplifier circuit
07/05/1989EP0322969A2 Crystal oscillator circuit
07/04/1989US4845444 Frequency doubling crystal oscillator via a current mirror
06/1989
06/28/1989CN2040283U Subsignal frequency microwave voltage-controlled oscillator
06/27/1989US4843349 UHF crystal oscillator
06/27/1989US4843348 Monolithically integrable, amplitude-controllable oscillator amplifier circuit
06/27/1989US4843340 Monolithically integrable controller circuit
06/21/1989EP0321329A1 Varactor-tuned frequency doubler oscillator
06/21/1989EP0320969A2 Oscillation circuit
06/21/1989EP0320825A2 Yig tuned oscillator
06/20/1989US4841353 Transistor devices for microwave oscillator elements
06/14/1989CN1033430A Waveguide type fet oscillator
06/07/1989EP0319470A1 Method and circuit for the reduction of the temperature dependence of the oscillation parameters of an oscillator
05/1989
05/31/1989EP0318382A1 Radioaltimeter detector and proximity fuse therefor
05/31/1989EP0318320A2 Electronic oscillator
05/31/1989EP0318306A2 Tuned oscillators
05/31/1989EP0318210A2 Voltage controlled variable capacitor and oscillator
05/30/1989US4835498 Tunable microwave filtering device with dielectric resonator, and applications
05/30/1989US4835492 Voltage controlled oscillator having constant tuning bias voltage
05/24/1989EP0316607A1 Monolithic integrated phase shifter and VCO
05/23/1989US4833426 Controllable frequency, temperature compensated piezoelectric oscillator of high spectral purity
05/17/1989CN2037912U High-frequency medium heating machine
05/17/1989CN2037901U 小型晶体振荡器 Small crystal oscillator
05/02/1989US4827226 Fully integrated, adjustable oscillator for use with a crystal
04/1989
04/25/1989US4825178 Oscillator with noise rejection and square wave output
04/25/1989CA1253222A1 Dielectrically stabilized gaas fet oscillator with two power output terminals
04/11/1989US4821001 Circuit oscillator
04/05/1989EP0310490A1 Temperature-compensated piezo-electric oscillator
04/05/1989EP0309769A1 Voltage-controlled oscillator comprising a ceramic crystal
04/04/1989US4818956 Dielectrically stabilized GaAs FET oscillator with two power output terminals
04/04/1989US4818952 Oscillation circuit
04/04/1989CA1252217A1 Miniature thermostatted oscillator
03/1989
03/30/1989DE3730692A1 Method for pulling the resonant frequency of a quartz circuit, and quartz circuit for a large frequency pulling range
03/29/1989EP0309270A2 Microwave oscillator
03/28/1989US4816779 Amplitude stabilized oscillator having positive and negative feedback
03/28/1989US4816778 Inductorless MMIC oscillator
03/23/1989WO1989002673A1 Oscillator circuit for surface wave filter
03/23/1989DE3730773A1 Radio-frequency generator
03/22/1989EP0307988A1 Oscillator circuit comprising an amplitude controller
03/21/1989US4814640 Electrically trimmable semiconductor device
03/16/1989DE3730107A1 Oszillatorschaltung mit oberflaechenwellenfilter Oscillator circuit with oberflaechenwellenfilter
03/08/1989EP0306090A1 Microwave oscillator with a dielectric resonator stable against mechanical vibrations
03/07/1989US4810976 Frequency doubling oscillator and mixer circuit
03/07/1989US4810922 Damping decoupled oscillator using a high impedance crystal
03/01/1989EP0305265A1 Electrical-information transmission apparatus
03/01/1989EP0304576A2 Gate array oscillator with noise rejection
02/1989
02/16/1989DE3719002C1 Schwingschaltung mit einem Piezokeramik-Tongeber-Bauelement Resonant circuit with a piezo ceramic sounder device
02/08/1989EP0302217A2 Oscillator circuit
02/01/1989EP0301319A1 Monolithically integrable, amplitude-controlled oscillator-differential amplifier circuit
01/1989
01/31/1989US4801898 Voltage-controlled oscillator
01/31/1989US4801837 Piezoelectric load measurement apparatus and circuits
01/26/1989WO1989000791A1 Oscillator network for radio receiver
01/26/1989DE3723098A1 Voltage-controlled oscillator
01/18/1989EP0299584A1 High-frequency generator
01/18/1989EP0299583A1 High frequency generator
01/18/1989EP0299464A1 Monolithically integrable, amplitude-controllable oscillator-amplifier
01/18/1989EP0299215A1 Monolithically integrable control circuit
01/17/1989US4799030 Voltage controlled oscillator clamp circuit
01/17/1989US4799029 Saw oscillator with attenuator for protecting saw element
01/17/1989US4799028 Zero phase shift active microwave oscillators with resistive feedback in field effect transistor amplifiers
01/11/1989EP0298846A1 Oscillator comprising a piezo-electric resonator
01/10/1989US4797639 Low noise crystal controlled oscillator
01/10/1989US4797638 Oscillator including a transistor used both as constant current source and amplifier
01/03/1989US4795988 Low distortion oscillator
12/1988
12/29/1988WO1988010534A1 A device for use at active filters and use thereof
12/27/1988US4794622 Low power transmitter frequency stabilization
12/21/1988EP0296131A1 Device for use at active filters and use thereof
12/21/1988EP0296009A1 Trinable microwave filtering device with a dielectric resonator and applications thereof
11/1988
11/30/1988EP0293279A1 Temperature-compensated and frequency-controlled oscillator with a high spectral purity, comprising a piezo-electric resonator
11/23/1988EP0292077A2 Low noise converter
11/17/1988EP0290794A1 Microwave oscillator with a dielectric resonator, especially for the 22 GHz range
11/15/1988US4785264 Dual FET oscillator
11/15/1988US4785263 FET oscillator circuit
11/08/1988US4783849 FET tuner
11/08/1988US4783638 Frequency doubling oscillator working at ultra-high frequencies
11/08/1988US4783620 Constant voltage circuit having an operation-stop function
11/01/1988US4782309 Bilateral frequency adjustment of crystal oscillators
10/1988
10/27/1988DE3711671A1 Tunable all-power oscillator with amplitude stabilisation for generating highly pure sinusoidal oscillations for electronic measurements
10/20/1988DE3710835A1 LC oscillator
10/19/1988EP0287010A1 Oscillator with a dielectric resonator and electronic tuning by a varactor, especially for the 22 GHz range
10/18/1988US4779063 Oscillator with feedback loop including delay circuit
10/04/1988US4775845 Microwave oscillator with external feedback
09/1988
09/29/1988DE3709357A1 Microwave oscillator
09/29/1988DE3709356A1 Microwave oscillator
09/28/1988EP0283529A1 Circuit arrangement for the temperature compensation of AT-cut crystal oscillators, and method for the adjustment of the compensation
09/14/1988CN87208576U Microwave medium resonance vibrator
09/06/1988US4769621 Frequency divider with darlington transistors