Patents for H03B 1 - Details (4,410)
12/1989
12/14/1989WO1989012351A1 A fully integrated, adjustable oscillator for use with a crystal
12/12/1989US4887052 Tuned oscillator utilizing thin film ferromagnetic resonator
11/1989
11/21/1989US4882550 Oscillator/amplifier connecting structure
11/16/1989WO1989011180A1 An improved oscillator
11/08/1989EP0340846A1 Frequency demodulation circuit
11/01/1989CN2047079U 振荡器 Oscillators
10/1989
10/25/1989EP0252943A4 Variable capacitance circuit.
10/18/1989EP0337371A2 Microwave oscillator
10/10/1989US4873496 Tuned oscillator
10/03/1989US4871983 Electronically tuned dielectric resonator stabilized oscillator
09/1989
09/26/1989CA1261411A1 Low noise oscillator
09/06/1989EP0330774A1 Reduction of undesired harmonic components
08/1989
08/29/1989US4862111 Microwave oscillator having a dielectric resonator, in particular for the 22 GHz range
07/1989
07/25/1989US4851790 Crystal controlled oscillator exhibiting reduced levels of crystal-induced low frequency noise, vibration sensitivity and circuit temperature rise
06/1989
06/21/1989EP0320825A2 Yig tuned oscillator
05/1989
05/31/1989EP0318444A1 An arrangement for compensating errors in a quadrature modulator
05/31/1989EP0318306A2 Tuned oscillators
05/30/1989US4835492 Voltage controlled oscillator having constant tuning bias voltage
05/18/1989WO1989004565A1 Microwave diode tuning circuit
05/02/1989US4827226 Fully integrated, adjustable oscillator for use with a crystal
04/1989
04/25/1989CA1253222A1 Dielectrically stabilized gaas fet oscillator with two power output terminals
04/11/1989US4821001 Circuit oscillator
04/04/1989US4818956 Dielectrically stabilized GaAs FET oscillator with two power output terminals
03/1989
03/28/1989US4816776 Integrated circuit configuration and method for monitoring a co-integrated oscillator
03/07/1989US4811425 Apparatus for reducing the effects of local oscillator leakage in mixers employed in zero IF receivers
03/07/1989US4811422 Reduction of undesired harmonic components
01/1989
01/31/1989US4801898 Voltage-controlled oscillator
01/26/1989DE3723098A1 Voltage-controlled oscillator
01/17/1989US4799035 Microwave diode tuning circuit
01/10/1989US4797638 Oscillator including a transistor used both as constant current source and amplifier
01/03/1989US4795988 Low distortion oscillator
11/1988
11/23/1988EP0292077A2 Low noise converter
11/17/1988EP0290794A1 Microwave oscillator with a dielectric resonator, especially for the 22 GHz range
11/08/1988US4783849 FET tuner
11/08/1988US4783638 Frequency doubling oscillator working at ultra-high frequencies
10/1988
10/27/1988DE3711671A1 Tunable all-power oscillator with amplitude stabilisation for generating highly pure sinusoidal oscillations for electronic measurements
10/19/1988EP0287010A1 Oscillator with a dielectric resonator and electronic tuning by a varactor, especially for the 22 GHz range
10/19/1988EP0286879A1 Integrated-circuit arrangement for controlling an integrated oscillator
09/1988
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
09/06/1988US4769620 Microwave oscillator with dielectric resonator
08/1988
08/23/1988US4766398 Broadband temperature compensated microwave cavity oscillator
08/17/1988EP0278300A1 Frequency-agile millimeter wave generator with a high stability
08/10/1988EP0277204A1 Microwave diode oscillator.
08/09/1988US4763084 Push-push dielectric resonator oscillator
07/1988
07/19/1988US4758804 Frequency stabilized high frequency oscillator
07/12/1988US4757278 Low noise cryogenic dielectric resonator oscillator
07/12/1988CA1239234A1 Tuning circuit for a multiband tuner
07/06/1988CN87101245A 低失真振荡器 Low distortion oscillator
07/05/1988US4755772 Switchable microwave oscillator
06/1988
06/28/1988US4754236 Frequency-doubling voltage-controlled oscillator
06/14/1988US4751475 Local oscillation apparatus
06/08/1988EP0270298A2 Wide range oscillator
06/01/1988EP0269428A2 Fet tuner
06/01/1988EP0269427A2 Dual gate tunable oscillator
05/1988
05/18/1988EP0267332A1 Direct FM crystal-controlled oscillator
05/17/1988US4745374 Extremely-high frequency semiconductor oscillator using transit time negative resistance diode
05/11/1988EP0267100A1 Voltage-tuned microwave transistor oscillator, and wide-band microwave generator comprising such an oscillator
05/10/1988US4743866 Wide range oscillator
04/1988
04/12/1988US4737737 Transmission injection-locked dielectric resonator oscillator
04/05/1988US4736169 Voltage controlled oscillator with frequency sensitivity control
03/1988
03/22/1988US4733199 Multi-frequency dielectric resonator oscillator using parallel feedback
03/22/1988US4733198 Mechanically tunable sealed microwave oscillator
03/15/1988US4731611 Stripline doppler radar
03/10/1988DE3726181A1 Process for the superheterodyne reception of a modulated signal
03/08/1988US4730169 Injection locking and tuning circuit for microwave diode oscillator
03/01/1988US4728909 Linearly frequency-modulated high-frequency oscillator with high external Q factor
03/01/1988CA1233576A1 Multiband local oscillator
02/1988
02/25/1988WO1988001451A1 Microwave diode oscillator
02/23/1988CA1233205A1 High frequency energy source
01/1988
01/26/1988US4721927 Voltage-controlled-oscillator with modulator
01/26/1988US4721926 Voltage-controlled-oscillator with modulator
01/20/1988EP0252943A1 Variable capacitance circuit.
12/1987
12/30/1987WO1987007991A1 Local oscillation apparatus
12/23/1987EP0250301A1 Frequency doubler oscillator operating at microwave frequencies
12/15/1987US4713631 Varactor tuning circuit having plural selectable bias voltages
12/02/1987EP0247749A2 Push-push dielectric resonator oscillator
12/02/1987EP0247440A2 Microwave oscillator with dielectric resonator
11/1987
11/24/1987US4709409 TVRO receiver with surface mounted high frequency voltage-controlled oscillator
10/1987
10/27/1987US4703286 Dual gate tunable oscillator
10/22/1987DE3718292A1 Colpitts-type crystal oscillator with wide pulling range
10/21/1987EP0242292A1 Frequency-doubling voltage-controlled oscillator
10/21/1987EP0242125A2 Oscillation circuit for a piezo-electric resonator and method of controlling same
09/1987
09/22/1987US4695809 Microwave sweep frequency oscillator
09/16/1987EP0236887A2 Microwave oscillator stabilized by a dielectric resonator
09/08/1987US4692714 Single resonator push-push oscillator
08/1987
08/18/1987US4688004 Frequency-changeable microwave signal generator having plural selectively operated oscillators
08/18/1987CA1225705A1 Microwave oscillator
08/04/1987US4684904 Low phase noise two port voltage controlled oscillator
07/1987
07/28/1987US4683447 Varactor tuning circuit for dielectric resonator stabilized oscillator
07/16/1987WO1987004304A1 Variable capacitance circuit
06/1987
06/30/1987US4677691 Microwave receiver
06/30/1987US4677396 Surface mounted component UHF oscillator
06/16/1987US4673894 Oscillator coupled through cylindrical cavity for generating low noise microwaves
05/1987
05/13/1987EP0221608A1 Microwave oscillator linearly modulated in frequency and having a high external Q-factor
04/1987
04/21/1987US4660002 High frequency oscillator using a diode for frequency switching and FM modulation
04/21/1987US4659999 Direct frequency synthesizer which is step-wise variable and has phase continuity and phase reproducibility when switching frequencies
03/1987
03/24/1987US4652836 Integrated microwave oscillator with microstrip resonator frequency stabilizer
03/10/1987US4649354 Switchable multi-frequency dielectric resonator oscillator
03/03/1987CA1218711A1 Crystal resonator oscillator having circuitry for suppressing undesired crystal harmonics
1 ... 32 33 34 35 36 37 38 39 40 41 42 43 44 45