Patents for H03B 1 - Details (4,410)
06/2009
06/02/2009US7541863 Transferred-impedance filtering in RF receivers
06/02/2009US7541847 Power-diode driver having expansible isolated sub-drivers using single power source
05/2009
05/28/2009US20090135039 Switched Capacitor Circuit, Switched Capacitor Filter, and Sigma-Delta A/D Converter
05/26/2009US7538587 Power semiconductor device
05/26/2009US7538586 Transmitter for a controlled-shape switched signal on a communication line
05/20/2009CN101438491A High voltage tolerant port driver
05/19/2009US7536165 Offset correction for down-conversion mixers
05/19/2009US7535307 Internal voltage generator and semiconductor memory device having the same, and method of generating internal voltage
05/19/2009US7535268 Inductive load driving system
05/19/2009US7535267 Output circuit and operational amplifier
05/19/2009US7535266 Light emitting device driving circuit
05/14/2009US20090121752 Source follower
05/13/2009CN101431312A Controllable oscillating system and related method for selectively adjusting currents passing through cross-coupling driving device
05/12/2009US7532046 Receiver for a differential data bus
05/07/2009US20090115462 Driver circuit with emi immunity
05/05/2009US7528672 Oscillator arrangement having increased EMI robustness
05/05/2009US7528668 Differential amplifier, differential amplifying method, and phase locked loop and delay locked loop using the same
05/05/2009US7528666 Apparatus and method for phase lock loop gain control using unit current sources
05/05/2009US7528635 Multitap fractional baud period pre-emphasis for data transmission
05/05/2009US7528597 Induction sensor
04/2009
04/28/2009US7525372 Noise shaped n th order filter
04/28/2009US7525352 Current differential buffer
04/23/2009US20090102568 Voltage controlled oscillator with cascaded emitter follower buffer stages
04/23/2009US20090102567 Heating system for a double-ovenized oscillator on a single printed circuit board
04/22/2009CN100480942C Current drive circuit reducing VDS dependency
04/21/2009US7522006 Surface mount type crystal oscillator
04/21/2009US7521986 Switch element driver circuit and semiconductor device
04/21/2009US7521971 Buffer circuit
04/21/2009US7521970 High voltage tolerant input buffer
04/21/2009US7521957 Impedance controller for semiconductor device
04/21/2009CA2548317C User-definable thermal drift voltage control oscillator
04/16/2009WO2007047166A3 Output driver circuit with multiple gate devices
04/16/2009US20090096492 Output Driver Equipped with a Sensing Resistor for Measuring the Current in the Output Driver
04/14/2009US7518416 Method and apparatus for detecting switching current of magnetic device operated in continuous current mode
04/09/2009WO2009045414A1 System and method for adaptive nonlinear filtering
04/09/2009WO2007130442A3 System and method for generating local oscillator (lo) signals for a quadrature mixer
04/09/2009US20090091397 Oscillating apparatus and frequency convert apparatus
04/09/2009US20090091370 Large scale integrated circuit for dynamically changing resonant point
04/09/2009US20090091358 Compensated output buffer for improving slew control rate
04/09/2009DE19702007B4 Hochfrequenz-Leistungsgenerator High-frequency power generator
04/07/2009US7514969 Driver circuit and method of controlling the same
04/07/2009US7514967 Driver for voltage driven type switching element
04/02/2009WO2009040945A1 Monitoring apparatus and program
04/02/2009US20090085683 Resonator, oscillator and communication device
04/02/2009US20090085676 Oscillator
04/02/2009US20090085621 Loop filters
04/02/2009US20090085614 Circuits and methods for programming integrated circuit input and output impedances
04/01/2009CN101401297A Silicon deposition over dual surface orientation substrates to promote uniform polishing
04/01/2009CN100474758C LC oscillator
04/01/2009CN100473995C Testing regulating device and method of quartz crystal osciuator
03/2009
03/31/2009US7511570 Transconductance filtering circuit
03/31/2009US7511541 Electronic driver device for an external load for which the slew rate of the output signal is independent of the external load capacity and the corresponding integrated component
03/31/2009US7511540 Driver circuit for providing an output signal
03/31/2009US7511476 Electromagnetic sensor systems and methods of use thereof
03/26/2009US20090079524 Multi-band tunable resonant circuit
03/26/2009US20090079482 Method and system for controlling a delay circuit for generation of signals up to extremely high frequencies
03/26/2009US20090079364 Driving device, driving circuit, LED head, and image forming apparatus
03/26/2009US20090078045 Driver device, physical quantity measuring device, and electronic instrument
03/24/2009US7509051 Transceiver module with voltage regulation and filtering
03/24/2009US7508246 Performance variation compensating circuit and method
03/19/2009US20090075612 Equalization of third-order intermodulation products in wideband direct conversion receiver
03/18/2009EP1751853A4 A tuneable circuit for canceling third order modulation
03/17/2009US7504903 Communication semiconductor integrated circuit device and a wireless communication system
03/17/2009US7504867 Bus holders having wide input and output voltage ranges and tolerant input/output buffers using the same
03/12/2009US20090066428 Device for providing an a.c. signal
03/12/2009US20090066376 Equalizing Transceiver With Reduced Parasitic Capacitance
03/12/2009US20090066374 Drive circuit, light emitting diode head, and image forming apparatus
03/10/2009US7501905 Oscillator circuit, PLL circuit, semiconductor chip, and test apparatus
03/10/2009US7501901 Circuit comprising a capacitive circuit component
03/10/2009CA2379869C Variable oscillator
03/05/2009US20090058544 Surface-mount crystal oscillator
03/05/2009US20090058536 Apparatus and method for phase lock loop gain control using unit current sources
03/05/2009DE102007041154A1 RFID Transponder mit einer PLL RFID transponder with a PLL
03/03/2009US7498871 Spectrum spreaders including tunable filters and related devices and methods
02/2009
02/26/2009US20090051451 Gyromagnetic precession oscillator
02/26/2009US20090051448 Second harmonic oscillator
02/26/2009US20090051446 Ovenized oscillator
02/25/2009EP2028765A1 Frequency correction method and apparatus for correcting secular change
02/24/2009US7495483 Input buffer for CMOS integrated circuits
02/24/2009US7495482 Semiconductor device
02/19/2009US20090045851 Device for driving switching elements
02/17/2009US7492232 Oscillator circuit, semiconductor device and semiconductor memory device provided with the oscillator circuit, and control method of the oscillator circuit
02/17/2009US7492194 Oscillator including phase frequency detectors for detecting a phase difference between two input signals and outputting a control command signal
02/12/2009DE202008010435U1 Referenz Generator Reference generator
02/11/2009CN100461618C Symmetrized voltage controlled oscillator system
02/10/2009US7489914 Multi-band RF transceiver with passive reuse in organic substrates
02/10/2009US7489206 High-frequency power device and method for controlling high-frequency power
02/03/2009US7486152 Voltage controlled oscillator
02/03/2009US7486149 Method of manufacturing surface mount type crystal oscillator
01/2009
01/28/2009CN100456629C Fast-settling DC offset removal circuits with continuous cutoff frequency switching
01/27/2009US7482887 Multi-band tunable resonant circuit
01/27/2009US7482885 Method of frequency synthesis for fast switching
01/27/2009US7482846 Pull-up devices
01/27/2009US7482845 Output buffer circuit
01/22/2009US20090021316 Surface-mount type crystal oscillator
01/22/2009US20090021315 Surface-mount crystal oscillator
01/20/2009US7479836 Oscillation circuit and semiconductor device comprising that oscillation circuit
01/20/2009US7479835 Constant temperature type crystal oscillator for high stability
01/20/2009US7479822 Current drive circuit reducing VDS dependency
01/20/2009US7479813 Low voltage circuit with variable substrate bias
1 ... 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 ... 45