| Patents for H03B 1 - Details (4,410) |
|---|
| 05/19/2005 | US20050104654 Technique for improving antialiasing and adjacent channel interference filtering using cascaded passive IIR filter stages combined with direct sampling and mixing |
| 05/17/2005 | US6894573 Tunable negative resistance device |
| 05/12/2005 | WO2005043745A2 Fast-hopping frequency synthesizer |
| 05/12/2005 | WO2005010943A3 High side power switch with charge pump and bootstrap capacitor |
| 05/12/2005 | US20050099225 All-pass filter circuit |
| 05/10/2005 | US6891442 Ring oscillator gates in a matrix for aberrant logic gate timing detection |
| 05/10/2005 | US6891428 Single ended controlled current source |
| 05/05/2005 | US20050094387 Portable radial projection light source arrangement |
| 05/05/2005 | US20050093639 Switching circuit and voltage-controlled oscillator including the same |
| 05/05/2005 | US20050093638 Methods and apparatus to control frequency offsets in digitally controlled crystal oscillators |
| 05/05/2005 | US20050093585 CMOS output buffer circuit |
| 05/05/2005 | US20050093584 Fast-hopping frequency synthesizer |
| 05/04/2005 | EP1527513A1 Dual mode tuning arrangement |
| 04/28/2005 | WO2005017607A3 Opto-electronic feedback for stabilizing oscillators |
| 04/28/2005 | US20050089080 Temperature sensor |
| 04/28/2005 | US20050088207 Method and apparatus for driving LED's |
| 04/27/2005 | CN1610246A 电压控制可变电容器 Voltage-controlled variable capacitor |
| 04/27/2005 | CN1199483C Oscillator |
| 04/21/2005 | US20050083139 Method and system for fast wake-up of oscillators |
| 04/21/2005 | US20050083105 Voltage controlled variable capacitor |
| 04/21/2005 | US20050083101 Small-amplitude differential interface circuit |
| 04/20/2005 | EP1524605A1 Low power, up full swing voltage CMOS bus receiver |
| 04/20/2005 | CN1607730A Small-amplitude differential interface circuit |
| 04/20/2005 | CN1198384C Oscillator frequency regulating method |
| 04/19/2005 | US6882835 Oscillator and communication apparatus |
| 04/19/2005 | US6882238 Method and apparatus for detecting on-die voltage variations |
| 04/19/2005 | US6882235 Highly stable integrated time reference |
| 04/19/2005 | US6882234 Frequency adjustable oscillator and methods of operation |
| 04/19/2005 | US6882233 Variable oscillation frequency resonance circuit and voltage controlled oscillator using the same |
| 04/14/2005 | US20050077972 Circuit arrangement for generating a reference current and oscillator circuit having the circuit arrangement |
| 04/14/2005 | US20050077945 Low power, up full swing voltage CMOS bus receiver |
| 04/14/2005 | US20050077928 High voltage high speed amplifier using floating high side structure |
| 04/12/2005 | CA2195493C Balanced integrated semiconductor device operating with a parallel resonator circuit |
| 04/07/2005 | WO2004025833A3 Integrated circuit oscillator |
| 04/07/2005 | US20050073349 Voltage level transferring circuit |
| 04/07/2005 | DE10341063A1 Vorwärtsverstärkende Filterschaltung Forward-enhancing filter circuit |
| 04/06/2005 | CN1604458A Switch circuit and voltage control oscillator including the same |
| 04/06/2005 | CN1196250C Voltage control oscillator |
| 04/05/2005 | US6876266 LC oscillator with wide tuning range and low phase noise |
| 04/05/2005 | US6876263 Dual voltage-controlled oscillator structure with powder-down feature |
| 04/05/2005 | US6876235 Source follower capable of compensating the threshold voltage |
| 03/31/2005 | WO2004082321A3 Multi-channel digital feedback reducer system |
| 03/30/2005 | CN1601906A Oscillator having improved parameter deform durability, and its reverse retarding element |
| 03/24/2005 | US20050063034 Opto-electronic feedback for stabilizing oscillators |
| 03/24/2005 | US20050062686 Circuit for driving light emitting element and current-control-type light-emitting display |
| 03/24/2005 | US20050062548 Method and apparatus for fast lock acquisition in self-biased phase locked loops |
| 03/24/2005 | US20050062523 Dynamically adjustable decoupling capacitance to reduce gate leakage current |
| 03/23/2005 | EP1516439A2 Fm modulator using a phaselockloop |
| 03/23/2005 | EP1516426A2 Controllable saw oscillator component |
| 03/17/2005 | US20050059375 Voltage controlled oscillator, frequency synthesizer and communication apparatus |
| 03/16/2005 | EP1514351A1 Lc oscillator with wide tuning range and low phase noise |
| 03/10/2005 | US20050052226 Forward-amplifying filter circuit |
| 03/09/2005 | EP1512225A1 Pll circuit |
| 03/09/2005 | CN1592102A Forward-amplifying filter circuit |
| 03/03/2005 | WO2005020431A2 High voltage high speed amplifier using floating high side structure |
| 03/03/2005 | US20050046502 Widely tuneable and fully differential LC oscillator utilizing an active inductor |
| 03/03/2005 | US20050046494 Low power quadrature voltage controlled oscillator using back gate |
| 03/03/2005 | DE10361014A1 Semiconductor component with high frequency (HF) circuit with active circuit components integrated in first semiconductor chip, while at least part of passive circuit components are formed in second semiconductor chip by silicon processing |
| 03/02/2005 | CN1191672C Programable crystal oscillator and method used for it |
| 03/01/2005 | US6861915 Crystal oscillator with adjustable capacitive assembly having selectable capacitances |
| 03/01/2005 | US6861913 Voltage-controlled oscillator with LC resonant circuit |
| 03/01/2005 | US6861878 Chopper comparator |
| 02/24/2005 | WO2005017607A2 Opto-electronic feedback for stabilizing oscillators |
| 02/24/2005 | US20050040880 Control of current in an inductance with pulse width modulation at control frequency |
| 02/15/2005 | US6856205 VCO with automatic calibration |
| 02/15/2005 | US6856177 High side power switch with charge pump and bootstrap capacitor |
| 02/10/2005 | US20050030108 Integrated VCO having an improved tuning range over process and temperature variations |
| 02/09/2005 | CN1578136A Noise filter for an integrated circuit |
| 02/09/2005 | CN1188944C Apparatus for tracking resonant frequency |
| 02/08/2005 | US6853272 Linear voltage controlled capacitance circuit |
| 02/08/2005 | US6853257 PLL circuit including a voltage controlled oscillator and a method for controlling a voltage controlled oscillator |
| 02/03/2005 | WO2005010943A2 High side power switch with charge pump and bootstrap capacitor |
| 02/03/2005 | US20050024157 Adaptive Kalman Filter Process for controlling an ensemble clock |
| 02/03/2005 | US20050024156 Ensemble oscillator and related methods |
| 02/03/2005 | US20050024130 Noise filter for an integrated circuit |
| 02/02/2005 | EP1503492A2 Control of current in an inductance with pulse width modulation at controlled frequency |
| 02/02/2005 | CN1574640A Switched capacitor circuit capable of eliminating clock feedthrough for vco |
| 02/02/2005 | CN1574635A 振荡器 Oscillator |
| 01/27/2005 | US20050017768 High side power switch with charge pump and bootstrap capacitor |
| 01/27/2005 | US20050017765 Current generation supply circuit and display device |
| 01/26/2005 | CN1186885C 差分线路驱动器 Differential Line Driver |
| 01/25/2005 | US6847560 Method and circuit for generating constant slew rate output signal |
| 01/13/2005 | US20050007164 Driver circuit having a slew rate control system with improved linear ramp generator including ground |
| 01/11/2005 | US6842083 Component having an integrated radiofrequency circuit |
| 01/11/2005 | US6842082 Programmable voltage-controlled oscillator with self-calibration feature |
| 01/06/2005 | US20050001691 Wideband variable frequency voltage controlled oscillator |
| 01/05/2005 | CN1183670C Low frequency quartz oscillator parts having improved thermal characteristics |
| 01/04/2005 | US6838947 Apparatus and method for phase lock loop gain control using unit current sources |
| 12/30/2004 | US20040263266 Arrangement and method for digital delay line |
| 12/30/2004 | US20040263265 Ring oscillator gates in a matrix for aberrant logic gate timing detection |
| 12/28/2004 | US6836157 Method and apparatus for driving LEDs |
| 12/23/2004 | US20040257143 Switched capacitor circuit capable of eliminating clock feedthrough by complementary control signals for digital tuning VCO |
| 12/23/2004 | US20040257125 Trickle current-cascode DAC |
| 12/16/2004 | WO2004109707A1 Radiation-hard circuit |
| 12/14/2004 | US6831497 Active quadrature signal generator using load having low-pass and high-pass filter characteristics |
| 12/08/2004 | EP1484843A1 Radio communication method and system for performing communication among a plurality of radio communication terminals |
| 12/07/2004 | US6828868 Semiconductor device having an oscillating circuit |
| 12/02/2004 | US20040239431 Programmable voltage-controlled oscillator with self-calibration feature |
| 12/01/2004 | EP1481469A2 Circuit system for generating a reference current and oscillator circuit comprising said circuit system |
| 12/01/2004 | CN1552057A Method and circuit for creating a sub-harmonic of a periodic signal |