Patents
Sitemap › H03 - Basic electronic circuitry › H03H - Impedance networks, e.g. resonant circuits; Resonators › H03H 11 - Networks using active elements
Patents for H03H 11 - Networks using active elements (9,098)
10/2005
10/20/2005US20050231259 System and method for dynamically varying a clock signal
10/18/2005US6956420 Duty cycle compensation in clock circuit
10/13/2005US20050225401 Oscillator with improved parameter variation tolerance
10/11/2005US6954123 Tuning circuit
10/11/2005US6954119 Cascaded arrangement of lower order filters and method of designing the same
10/06/2005US20050219014 Gm-C filter compensation
10/06/2005US20050218954 Integratable, controllable delay device, use of a delay device, as well as an integratable multiplexer for use in a delay device
10/05/2005EP1583234A2 Tunable sallen-key filter stage and filter assembly
10/05/2005EP1583231A1 Low voltage transconductance amplifier/filters
10/05/2005CN1679234A Self calibration of continuous-time filters and systems comprising such filters
10/05/2005CN1677512A 延迟电路 The delay circuit
10/05/2005CN1222107C Filter circuit
09/2005
09/29/2005US20050212612 Tunable filter and portable telephone
09/29/2005US20050212590 High-speed Gm-C tuning
09/29/2005US20050212566 Compensating for leakage currents in loop filter capacitors in PLLs and the like
09/29/2005US20050212383 Balanced high-frequency device and balanced high-frequency circuit using the same
09/29/2005DE4020105B4 Einrichtung zur Verringerung des Rauschens bei einer Potentiometerauswertung Means for reducing the noise at a potentiometer measurement
09/29/2005DE102004005531A1 Electronic high frequency switch for attenuator has gate voltage whose magnitude can be switched between at least two values (-5, 5 and/or -8 volts) according to desired linearity or switching speed
09/28/2005EP1580886A1 Filter device
09/27/2005US6950488 Delay locked-loop circuit for reducing load of variable delay unit at high-frequency operation and locking external clock signal stably
09/22/2005WO2005088833A1 High-frequency circuit and high-frequency component
09/22/2005US20050208920 Current driven polyphase filters and method of operation
09/22/2005US20050206475 Wideband catv signal splitter device
09/22/2005US20050206442 Constant current circuit and active filter circuit using the same
09/22/2005US20050206426 Integrated circuit systems and devices having high precision digital delay lines therein
09/22/2005US20050206425 Delay circuit
09/20/2005US6947478 Analogue echo filter
09/20/2005US6946902 Filtering variable offset amplifier
09/20/2005US6946847 Impedance matching device provided with reactance-impedance table
09/15/2005US20050203362 Mucosal sensor adaptor
09/14/2005CN1668989A Capacitive feedback circuit
09/13/2005US6944435 Unconditionally stable on-chip filter and applications thereof
09/13/2005US6944070 Integrated circuit devices having high precision digital delay lines therein
09/13/2005US6943608 Wide frequency range voltage-controlled oscillators (VCO)
09/13/2005US6943607 Method and device for generating delay signal
09/09/2005WO2005083883A1 Waveform equalizer and information reproduction device using the same
09/09/2005WO2005083716A1 Dll circuit
09/08/2005US20050197095 High-frequency switching circuit, high-frequency module, and wireless communications device
09/08/2005US20050195013 Tunable current-mode integrator for low-frequency filters
09/08/2005US20050195010 Time-delay circuit
09/07/2005CN1666416A Active continuous-time filter with increased dynamic range in the presence of blocker signals
09/06/2005US6940331 Delayed tap signal generating circuit for controlling delay by interpolating two input clocks
09/01/2005WO2005081402A1 Integrated tunable filter for broadband tuner
09/01/2005US20050191980 Method and apparatus for complex cascade sigma-delta modulation and single-sideband analog-to-digital conversion
09/01/2005US20050189997 Integrable amplitude-locked loop including an acoustic resonator
09/01/2005US20050189993 Gigabit ethernet transceiver with analog front end
09/01/2005US20050189987 Biquad notch filter
09/01/2005US20050189982 Regulated charge pump with digital resistance control
09/01/2005US20050189980 Electronic isolator
09/01/2005US20050189969 Total harmonic distortion standard
09/01/2005US20050189951 Filter calibration
09/01/2005US20050189818 Semiconductor circuit device having hierarchical power supply structure
08/2005
08/31/2005EP1569338A1 Voltage controlled oscillator
08/31/2005CN1661915A High-frequency switching circuit, high-frequency module, and wireless communications device
08/31/2005CN1661914A Automatic time constant adjustment circuit
08/31/2005CN1217485C CMOS circuit with constant output swing and variable time delay for voltage controlled oscillator
08/30/2005US6937111 Device and system having self-terminated driver and active terminator for high speed interface
08/30/2005US6937081 Delay producing method, delay adjusting method based on the same, and delay producing circuit and delay adjusting circuit applied with them
08/25/2005WO2005078735A1 Semiconductor memory
08/25/2005WO2005078734A1 Dll circuit
08/25/2005WO2005060043A3 Phase shifters, such as for a multiple antenna wireless communication system
08/25/2005US20050186930 Adaptive radio transceiver with offset PLL with subsampling mixers
08/25/2005US20050186925 Adaptive radio transceiver with floating MOSFET capacitors
08/25/2005US20050186917 Adaptive radio transceiver with noise suppression
08/25/2005US20050184787 Delay circuit
08/25/2005US20050184786 Automatic time constant adjustment circuit
08/25/2005DE10357332A1 Elektronische Entkoppelinduktivität für Anwendungen in Aktuator-Sensor-Interface Netzwerken Electronic Entkoppelinduktivität for applications in Actuator Sensor Interface Networks
08/24/2005CN2720725Y Active filter circuit
08/24/2005CN1659781A Application-specific integrated circuit for a low-pass filtering device used for decoupling xDSL channels
08/24/2005CN1659779A Quadratic video demodulation with baseband nyquist filter
08/23/2005US6933773 Integrated circuit
08/23/2005US6933761 Techniques for dynamically selecting phases of oscillator signals
08/23/2005CA2374784C Variable phase-shifting rf power amplifiers
08/18/2005US20050181754 Adaptive radio transceiver with calibration
08/18/2005US20050179509 Amplifier circuit, gyrator circuit, filter device and method for amplifying a signal
08/18/2005US20050179505 Method and apparatus for tuning a filter
08/17/2005EP1563555A2 Applications of nano-enabled large area macroelectronic substrates incorporating nanowires and nanowire composites
08/17/2005EP1563480A2 Integrated displays using nanowire transistors
08/17/2005EP1295402B1 Arrangement for operating various terminal devices
08/17/2005EP1256165B1 Low-voltage transconductance amplifier/filters
08/17/2005CN1656678A Image rejection quadratic filter
08/17/2005CN1215664C Analog filter
08/17/2005CN1215426C Semiconductor memory device
08/16/2005US6931122 Single transformer hybrid system and method
08/16/2005US6930544 Filter
08/16/2005US6930528 Delay circuit and method with delay relatively independent of process, voltage, and temperature variations
08/16/2005US6930508 Integrated circuit with on-chip termination
08/11/2005WO2005072298A2 Configurable delay line circuit
08/11/2005US20050176396 Receiver apparatus
08/11/2005US20050175135 Delay circuit with timing adjustment function
08/11/2005US20050174198 Electronic circuit comprising a resonator to be integrated into a semiconductor product
08/11/2005US20050174166 Method for tuning a corner frequency of a low pass filter
08/10/2005EP1562290A1 A biquad notch filter
08/09/2005US6927605 System and method for dynamically varying a clock signal
08/04/2005US20050168274 Filter apparatus including slave gm-C filter with frequency characteristics automatically tuned by master circuit
08/04/2005US20050168260 Configurable delay line circuit
08/04/2005US20050168259 Delay circuit and control method of the delay circuit
08/04/2005US20050168258 Method and apparatus for creating variable delay
08/03/2005EP1560333A2 A method and apparatus for generating variable delay
08/03/2005EP1354425B1 Filter arrangement
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