Patents for H03B 1 - Details (4,410)
06/2002
06/18/2002US6407588 High speed low power input buffer
06/13/2002US20020070815 Oscillator circuit
06/12/2002EP1213836A1 Oscillator circuit having switchable resonant frequency
05/2002
05/28/2002US6396356 Linearization scheme for voltage controlled oscillator
05/23/2002US20020060613 Voltage controlled oscillators including tunable dielectric devices
05/23/2002US20020060601 High q structure
05/22/2002CN1085450C Delay detection circuit and low-noise oscillation circuit using same
05/16/2002US20020057114 Circuit for driving gate of IGBT inverter
05/14/2002US6388535 Oscillator, and an oscillator characteristic adjustment method
05/14/2002US6388534 Laser controlled crystal and dielectric resonator oscillators
05/08/2002CN1348320A Oscillator and oscillator character regulating method
05/08/2002CN1348232A Micro strip line type voltage control oscillator
05/02/2002US20020050865 Power oscillator
05/02/2002US20020050848 Voltage clamping circuit
05/01/2002CN1347194A 电压控制振荡器 A voltage controlled oscillator
05/01/2002CN1084082C Voltage controlled oscillator and adjusting method thereof
04/2002
04/24/2002EP1199795A1 Lc oscillator
04/24/2002EP1198879A1 Variable oscillator
04/24/2002EP1198878A1 Variable oscillator and filter circuit
04/18/2002US20020044022 Oscillator and an oscillator characteristic adjustment method
04/18/2002US20020043997 Charge compensation control circuit and method for use with output driver
04/17/2002EP1196985A1 Low phase-noise voltage controlled oscillator
04/11/2002US20020040991 Variable capacitor for tuned circuits
04/11/2002DE10135290A1 Spannungsgesteuerter Oszillator, spannungsgesteuerte Oszillatorvorrichtung und Radarvorrichtung A voltage controlled oscillator, voltage controlled oscillator means and radar device
04/10/2002EP1195000A1 Voltage-controlled oscillator with lc resonant circuit
04/10/2002EP1194829A1 Electrical device
04/09/2002US6369676 High-frequency module
04/04/2002WO2002027937A1 Voltage controlled oscillator
04/03/2002EP1193875A1 Voltage-controlled oscillator with automatic center frequency calibration
04/03/2002CN1082275C Apparatus and method for using negative FM feedback in high quality oscillator devices
03/2002
03/27/2002CN1341991A Analogue storage method and its temp. compensation crystal oscillator
03/21/2002WO2002023711A1 Power oscillator
03/21/2002WO2002023692A2 Voltage clamping circuit
03/21/2002US20020033741 Voltage controlled oscillator with automatic center frequency calibration
03/19/2002US6359522 Voltage-controlled oscillator preventing irregular oscillation
03/19/2002US6359521 Oscillator with buffer circuit in which deterioration in C/N ratio is lightened
03/12/2002US6356602 RF integrated circuit for downconverting a GPS signal
03/12/2002US6356143 Method and apparatus for filtering radio frequency signals
03/12/2002US6356135 Programmable electronic trim capacitor
03/12/2002US6356133 Bus driver circuit
03/06/2002CN1080518C Sine-wave modulator and play-back/recording modulator-demod-ulator for high-fidelity video play-back-recording system
02/2002
02/28/2002US20020024396 Voltage controlled oscillator, voltage controlled oscillator device and radar device
02/21/2002WO2002015383A1 Frequency adjustable oscillator and methods of operation
02/20/2002CN1336718A Oscillator and its communication arrangement
02/06/2002CN1334643A Voltage controlled oscillation circuit
01/2002
01/31/2002WO2002009269A1 Voltage controlled oscillators including tunable dielectric devices
01/29/2002US6342800 Charge compensation control circuit and method for use with output driver
01/23/2002CN1332517A Three-band switching oscillator
01/17/2002US20020005764 Voltage controlled oscillator
01/03/2002US20020000888 Low phase noise variable frequency oscillator
01/03/2002US20020000848 Bus driver circuit
12/2001
12/27/2001US20010054944 High frequency module
12/20/2001US20010052826 Voltage-controlled oscillator
12/20/2001DE10120718A1 Oszillator und Kommunikationsvorrichtung Oscillator, and communication device
12/19/2001EP0985266B1 Adjustable frequency stabilizing internal chip capacitor system
12/19/2001CN1076544C Phase-locked ring type device for demodulation to frequency-modulated signal
12/13/2001US20010050596 Three-band switching oscillator suitable for size reduction
12/13/2001US20010050550 High frequency component, communication apparatus, and method for measuring characteristics of high frequency component
12/12/2001EP1162728A1 Voltage-controlled oscillator for producing multiple frequency bands
12/11/2001US6329862 Reference frequency signal switching circuit capable of adjusting level of external reference frequency signal and outputting resultant signal
12/04/2001US6326854 Coaxial resonator and oscillation circuits featuring coaxial resonators
12/04/2001CA2158809C Delay detection circuit and low-noise oscillation circuit using the same
11/2001
11/29/2001US20010045870 Voltage controlled oscillation circuit
11/27/2001US6323738 Voltage-controlled ring oscillator with level converting and amplitude control circuits
11/27/2001US6323736 Method and apparatus for calibrating a frequency adjustable oscillator in an integrated circuit device
11/27/2001US6323699 Method and apparatus for variably providing an input signal
11/22/2001US20010043116 Method and apparatus for filtering radio frequency signals
11/20/2001US6320474 MOS-type capacitor and integrated circuit VCO using same
11/13/2001US6317009 Frequency shift key modulating oscillator
11/13/2001US6317004 PLL circuit which quickly adjusts VCO bias voltages
11/01/2001US20010035794 Oscillator and communication apparatus
10/2001
10/31/2001DE10021273A1 Oszillator mit veränderbarer Induktivität Oscillator with variable inductance
10/31/2001CN1074211C 振荡电路 Oscillation circuit
10/30/2001US6310522 Multiple-push oscillator
10/23/2001US6307439 Voltage controlled oscillator with adaptive closed loop coarse tune
10/18/2001WO2001078231A1 Structural element with an integrated high-frequency circuit
10/17/2001EP1146640A1 Integrated resonant circuit comprising tuning capacitors
10/17/2001EP1146638A1 Wireless unit for a time division multiple access system
10/17/2001EP1145423A2 Combined cmos mixer and vco circuit
10/16/2001US6304152 Digital-control Colpitts oscillator circuit
10/11/2001WO2001076069A1 Digital trim capacitor programming
10/11/2001WO2001076066A1 High q structure
10/11/2001US20010028277 Low phase noise, wide tuning range oscillator utilizing a one port SAW resonator and method of operation
10/04/2001WO2000027026A3 Combined cmos mixer and circuit
10/04/2001EP1145423A3 Combined cmos mixer and vco circuit
10/04/2001EP1138113A1 Device for correcting non-linearities of voltage-controlled oscillators in a fmcw radar system
10/02/2001US6297704 Oscillation circuits featuring coaxial resonators
09/2001
09/26/2001CN1071958C Tuner circuit having local oscillator circuit including coaxial resonator
09/25/2001US6294964 High-stability piezoelectric oscillator
09/25/2001US6294961 Selectable voltage-controlled oscillation circuit
09/20/2001US20010022540 Frequency shift key modulating oscillator
09/18/2001US6292066 Function generator, crystal oscillation device and method of adjusting crystal oscillation device
09/18/2001US6292064 Voltage controlled oscillator and semiconductor IC device including a voltage controlled capacitor
09/13/2001US20010020875 Method and apparatus for calibrating a frequency adjustable oscillator in an integrated circuit device
09/06/2001US20010019294 Voltage controlled oscillator
09/05/2001EP1130407A2 High frequency component, communication apparatus, and method for measuring characteristics of high frequency components
09/05/2001CN1311563A Low frequency quartz oscillator parts having improved thermal characteristics
09/04/2001US6285263 Linearization method and apparatus for voltage controlled oscillator
08/2001
08/30/2001US20010017573 Programmable crystal oscillator
08/29/2001EP1128533A2 Power supply circuit in which ripple reducing ability is maintained even when power supply voltage drops
1 ... 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 ... 45