Patents
Sitemap › H03 - Basic electronic circuitry › H03B - Generation of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner; Generation of noise by such circuits › H03B 7 - Generation of oscillations using active element having a negative resistance between two of its electrodes
Patents for H03B 7 - Generation of oscillations using active element having a negative resistance between two of its electrodes (471)
07/2000
07/25/2000US6094158 FMCW radar system
03/2000
03/14/2000US6037819 High frequency clock signal generator
02/2000
02/29/2000US6031430 Temperature stabilized oscillator and proximity switch containing the oscillator
11/1999
11/24/1999CN1236190A Gunn diode, non-radiation medium wave guide gunn oscillator and its producing method and mounting structure thereof
11/03/1999EP0954039A1 Gunn diode, NRD guide gunn oscillator and fabricating method
08/1999
08/24/1999US5942952 Voltage controlled oscillator
08/05/1999DE19803432A1 High frequency generator for generating THz and GHz frequencies, e.g. for information coding in communications field
04/1999
04/22/1999WO1999019981A1 Dual band voltage controlled oscillator
03/1999
03/31/1999EP0905876A1 Improvements in or relating to voltage controlled oscillators
03/16/1999US5883549 Bipolar junction transistor (BJT)--resonant tunneling diode (RTD) oscillator circuit and method
10/1998
10/13/1998US5821820 Dual band voltage controlled oscillator
10/06/1998US5818381 Electronic viewing aid
09/1998
09/16/1998EP0766833B1 Electronic viewing aid
04/1998
04/22/1998CN2279748Y Balance coupling dielectric frequency stabilized oscillator
03/1998
03/24/1998US5731717 Logic or memory element based on n-stable phase-locking of single-electron tunneling oscillation, and computer using the same
02/1998
02/25/1998EP0825718A1 Oscillator circuit
01/1998
01/13/1998US5708398 Dual voltage controlled oscillator using integrated transistor and negative differential resistance diode
12/1997
12/17/1997EP0813306A1 Temperature stabilised oscillator and proximity switch using the same
12/13/1997CA2206025A1 Temperature stabilized oscillator and proximity switch containing the oscillator
10/1997
10/07/1997US5675295 Microwave oscillator, an antenna therefor and methods of manufacture
09/1997
09/23/1997US5670385 Method for fabricating an optical controlled resonant tunneling oscillator
09/10/1997EP0794610A1 Constant high Q voltage controlled oscillator and method for making same
09/02/1997US5663690 Constant high Q voltage controlled oscillator
08/1997
08/06/1997CN1156521A Electrical connector with integral supporting structure
07/1997
07/02/1997CN1153557A Electronic viewing aid
04/1997
04/09/1997EP0766833A1 Electronic viewing aid
02/1997
02/26/1997EP0759640A1 Semiconductor superlattice oscillator and methods of manufacturing and operating the same
12/1996
12/24/1996US5587690 Ring resonator oscillator usable in frequency synthesizers and communication apparatus
12/03/1996US5581584 PLL circuit
11/1996
11/26/1996US5578970 BICMOS monolithic microwave oscillator using negative resistance cell
11/13/1996EP0742639A2 Microwave oscillator, an antenna therefor and methods of manufacture
10/1996
10/29/1996US5569933 Optical controlled resonant tunneling oscillator
10/08/1996CA2043977C Microwave oscillator with reduced phase noise
09/1996
09/24/1996US5559479 Voltage control oscillator variable capacitance diode biasing circuit
07/1996
07/23/1996US5539761 Resonant tunneling oscillators
05/1996
05/01/1996CN1121657A Oscillator and frequency synthesizer and communication apparatus using the oscillator
04/1996
04/23/1996US5511238 Monolithic microwave transmitter/receiver
04/16/1996US5508559 Power circuit package
02/1996
02/14/1996EP0696843A1 Oscillator and frequency synthesizer and communication apparatus using the oscillator
01/1996
01/23/1996US5486794 Variable frequency LC oscillator using variable impedance and negative impedance circuits
01/04/1996WO1996000401A1 Electronic viewing aid
01/03/1996EP0689734A1 Bicmos monolithic microwave oscillator using negative resistance cell
11/1995
11/21/1995US5469119 Linear voltage-controlled oscillator using fixed capacitors in lieu of varactors
11/21/1995US5469117 Voltage-controlled frequency oscillator
10/1995
10/17/1995CA2015484C Crystal oscillator with broad tuning capability
09/1995
09/19/1995US5451915 Active filter resonator and system and negative resistance generator usable therein
09/12/1995US5450040 Gaussian-beam oscillator for microwave and millimeter waves
08/1995
08/02/1995EP0665638A1 Voltage controlled oscillator with low operating supply voltage
08/02/1995EP0665591A1 Method for forming a power circuit package
01/1995
01/18/1995EP0634834A1 Linear, voltage-controlled oscillator
12/1994
12/13/1994US5373264 Negative resistance oscillator with electronically tunable base inductance
12/06/1994US5371043 Method for forming a power circuit package
10/1994
10/19/1994EP0620636A1 Oscillator with a voltage-controlled frequency
09/1994
09/29/1994WO1994022214A1 Bicmos monolithic microwave oscillator using negative resistance cell
09/06/1994US5345194 FET having two gate bonding pads for use in high frequency oscillator
08/1994
08/30/1994US5343170 Voltage controlled oscillator provided with negative feedback biasing
08/16/1994US5339053 Instant-on microwave oscillators using resonant tunneling diode
05/1994
05/31/1994US5317286 Power combining oscillator
05/24/1994US5315272 Light emitting tunnel diode oscillator
05/19/1994DE4336414A1 Semiconductor tunnel element with negative resistance - uses double barrier structure with lower dimensional semiconductor with energy state in which charge carriers have negative mass
05/18/1994EP0597617A1 Push-push ring resonator oscillator
02/1994
02/22/1994US5289139 Push-push ring resonator oscillator
01/1994
01/05/1994EP0576959A1 Variable frequency microwave oscillator including digital phase shifter as tuning element
11/1993
11/16/1993US5262739 Waveguide adaptors
11/02/1993US5258726 Voltage controlled oscillator with low operating supply voltage
09/1993
09/15/1993EP0560497A1 Conducting plane resonator stabilized oscillator
09/14/1993US5245298 Voltage controlled oscillator having cascoded output
09/12/1993CA2089825A1 Conducting plane resonator stabilized oscillator
08/1993
08/10/1993US5235293 Variable frequency microwave oscillator including digital phase shifter as tuning element
06/1993
06/29/1993US5223802 Optically controlled resonant tunnel diode oscillator
04/1993
04/20/1993US5204641 Conducting plane resonator stabilized oscillator
04/07/1993EP0535883A1 Voltage controlled oscillator employing negative resistance
02/1993
02/04/1993DE4125054A1 Tunable oscillator with varactor diode for directional radio - has substrate with oscillator circuit as integral, separately operatable, tightly metal encapsulated component
01/1993
01/27/1993EP0524620A2 Field effect transistor and high frequency circuits using the same
12/1992
12/29/1992US5175513 Oscillator circuit employing inductive circuit formed of field effect transistors
11/1992
11/10/1992CA1310078C Voltage controlled variable capacitor
10/1992
10/13/1992US5155050 Method of fabrication of a monolithic microwave transmitter/receiver
10/07/1992EP0277204B1 Microwave diode oscillator
06/1992
06/30/1992US5126696 W-Band waveguide variable controlled oscillator
04/1992
04/21/1992US5107229 Solid state oscillator for generating microwave signals
04/21/1992US5107228 Voltage controlled oscillator employing negative resistance
02/1992
02/18/1992US5089717 Intergrated semiconductor device including a frequency divider for microwave applications
12/1991
12/11/1991EP0460958A1 Method for reducing phase noise in a microwave oscillator
10/1991
10/22/1991US5059927 Microwave oscillator with reduced phase noise
10/22/1991CA1291226C Microwave diode oscillator
08/1991
08/13/1991US5039958 Integrated semiconductor device including an insulated-gate field effect transistor biased to a constant level in order to produce a negative differential drain conductance zone
05/1991
05/21/1991US5017892 Waveguide adaptors and Gunn oscillators using the same
12/1990
12/27/1990EP0404404A2 Crystal oscillator with broad tuning capability
11/1990
11/27/1990US4973922 Voltage controlled variable capacitor and oscillator using it
10/1990
10/02/1990USH832 Planar monolithic self-oscillating mixer
08/1990
08/21/1990US4951006 Antenna coupled millimeter wave oscillator
08/15/1990CN1009237B 8 mm distributed dielectric integrated oscillator
08/01/1990EP0380166A1 Integrated semiconductor device comprising a field-effect transistor with an isolated gate biased at a high level in order to produce a zone of negative differential conductance at the drain electrode
07/1990
07/04/1990EP0376388A1 Integrated circuit device comprising a frequency divider
05/1990
05/15/1990US4926142 Oscillator having a dielectric resonator, and electronic frequency tuning using a varactor, in particular in the 22 GHz range
05/10/1990DE3837944A1 Integrated waveguide oscillator
05/08/1990US4924195 Crystal oscillator with broad tuning capability
03/1990
03/13/1990US4908615 Traffic light control system and method
03/06/1990US4906946 Microwave oscillator having series and parallel feedback
08/1989
08/30/1989EP0330104A2 W-band microstrip oscillator using gunn diode
1 2 3 4 5