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)
08/2005
08/03/2005CN1650503A Active common mode EMI filters
08/03/2005CN1649406A Emphasis circuit
08/03/2005CN1649265A Regulatable filter and portable telephone
08/03/2005CN1649261A Active filter
08/02/2005US6924685 Device for controlling a setup/hold time of an input signal
08/02/2005US6924684 Counter-based phase shifter circuits and methods with optional duty cycle correction
08/02/2005CA2494468A1 A method and apparatus for creating variable delay
07/2005
07/28/2005WO2005040836A3 Isolation buffers with controlled equal time delays
07/28/2005US20050165879 Method and apparatus for analysis of variables
07/28/2005US20050164661 Emphasis circuit
07/28/2005US20050162220 Adjustable bandwidth high pass filter for large input signal, low supply voltage applications
07/28/2005US20050162219 Active filter
07/28/2005US20050162208 Delay generator
07/28/2005US20050162194 Transconductance varying circuit of transconductor circuit, varying bandwidth filter circuit using the same and digital tuning circuit of transconductor-capacitor filter
07/27/2005EP1557960A1 Emphasis circuit
07/27/2005EP1557941A1 Filter circuit and radio device
07/27/2005EP1021861A4 Programmable delay circuit having calibratable delays
07/27/2005CN1647376A Polyphase filter with integrators
07/26/2005US6922163 Semiconductor integrated circuit
07/26/2005US6922115 Attenuator with switchable transistors for controlling attenuation
07/26/2005US6922108 Active balun circuit for single-ended to differential RF signal conversion with enhanced common-mode rejection
07/21/2005WO2005067142A1 Ruggedized analog front-end for a network communicative device in a railway-like environment
07/21/2005US20050156700 Integrated spiral inductor
07/21/2005US20050156661 Filter apparatus including differential slave gm-C filter with frequency characteristics automatically tuned by master circuit
07/21/2005US20050156646 Method and system of calibrating the control delay time
07/21/2005DE102004037822A1 Verfahren und Vorrichtung zum Erzeugen und Steuern eines Quadraturtakts Method and apparatus for generating and controlling a quadrature clock
07/20/2005EP1555753A1 High Q linear controlled variable capacitor
07/20/2005EP1555752A1 High Q linear controlled variable capacitor using translinear amplifier
07/20/2005EP1299948B1 Voltage-controlled capacitor
07/20/2005EP0996998A4 Thermal drift compensation system
07/20/2005CN1643802A Receiver apparatus
07/19/2005US6920336 Broadband driver
07/19/2005US6920311 Adaptive radio transceiver with floating MOSFET capacitors
07/19/2005US6919768 Balanced amplifier and filter using the same
07/14/2005WO2005064911A1 An active impedance synthesis circuit, for example for xdsl splitters
07/14/2005WO2005064791A1 Variable attenuator
07/14/2005US20050153677 System and method for on-chip filter tuning
07/14/2005US20050153664 Adaptive radio transceiver with an antenna matching circuit
07/14/2005US20050152488 Deterministic jitter equalizer
07/14/2005US20050152092 High Q linear controlled variable capacitor
07/14/2005US20050151582 Tuning filters having transconductor cells
07/14/2005US20050151576 Adjustable impedance circuit
07/14/2005US20050151575 High Q linear controlled variable capacitor using translinear amplifier
07/14/2005US20050151573 Method and system for pulse waveform variable edge control
07/14/2005DE102004055122A1 Multi-level high voltage generator for flash memory, uses charge pump that generates high voltage of different voltage levels by raising input voltage
07/13/2005EP1504529A4 A wideband catv signal splitter device
07/13/2005CN2709989Y 220V. AC. power-supply fastening signal isolator
07/13/2005CN1639974A Low-pass filtering device for coupling xDSL channels
07/13/2005CN1638275A Automatic tuning apparatus for filter and communication instrument
07/12/2005US6917789 Adaptive radio transceiver with an antenna matching circuit
07/12/2005US6917232 Method and apparatus for generating a quadrature clock
07/07/2005WO2005062061A1 A broad-bandwidth low noise integrator circuit
07/07/2005WO2005060655A2 Deterministic jitter equalizer
07/07/2005US20050149592 Complex filter with higher order pole
07/07/2005US20050148309 Automatic tuning apparatus for filter and communication instrument
07/07/2005US20050146381 Balanced amplifier and filter using the same
07/07/2005US20050146376 Impedance matching circuit and method
07/07/2005US20050146368 Adaptive delay of timing control signals
07/06/2005CN2708566Y Frequency multiplex apparatus and multi-layer frequency multiplex apparatus
07/05/2005US6915226 Method and system of calibrating the control delay time
07/05/2005US6915121 Integrated tunable filter for broadband tuner
07/05/2005US6914467 Dual edge programmable delay unit
07/05/2005US6914460 Counter-based clock doubler circuits and methods
07/05/2005US6914437 Filter calibration and applications thereof
06/2005
06/30/2005WO2005060115A1 A time signal receiver and decoder
06/30/2005WO2005060114A1 Activation signal output circuit
06/30/2005WO2005060096A1 Electronic high-frequency switch and attenuator with said high-frequency switches
06/30/2005WO2005060095A1 Complex filter with higher order pole
06/30/2005WO2005060043A2 Phase shifters, such as for a multiple antenna wireless communication system
06/30/2005US20050143039 Image rejection quadratic filter
06/30/2005US20050141165 Polyphase filter with integrators
06/30/2005US20050140446 Single-ended-to-differential converter with common-mode voltage control
06/30/2005US20050140417 Variable-delay signal generators and methods of operation therefor
06/30/2005US20050140415 Timing circuit for separate positive and negative edge placement in a switching DC-DC converter
06/30/2005US20050140412 Interpolation delay cell for 2ps resolution jitter injector in optical link transceiver
06/29/2005EP1549037A1 An active impedance synthesis circuit, for example for XDSL splitters
06/29/2005EP1547139A2 Large-area nanoenabled macroelectronic substrates and uses therefor
06/29/2005CN1208755C Wide-band back read using for data storage magnetoresistance head
06/28/2005US6911863 Integrated DVB filter
06/23/2005WO2005057783A1 Electronic decoupling inductor for applications in actuator sensor interface networks
06/23/2005WO2005020482A3 Thermal-mechanical signal processing
06/23/2005US20050134409 Chua's circuit and it's use in hyperchaotic circuit
06/23/2005US20050134350 Analog delay circuit
06/23/2005US20050134349 Analog delay circuit
06/22/2005EP1545014A1 Antenna circuit
06/21/2005US6909886 Current driven polyphase filters and method of operation
06/21/2005US6909321 Active isolated-integrator low-pass filter with attenuation poles
06/21/2005US6909316 Variable delay circuit with high resolution
06/21/2005US6909292 Method for suppressing even order harmonics in a device that utilizes transconductors
06/16/2005WO2005055419A1 Gain-variable voltage/current converting circuit having current compensating circuit for compensating for variation of dc current flowing through active element that performs voltage/current conversion
06/16/2005WO2004046652A3 Device and method for detecting anomolies in a wire and related sensing methods
06/16/2005US20050129157 90-Degree phase shifter
06/16/2005US20050129156 Time signal receiver and decoder
06/16/2005US20050127989 Noise filter circuit
06/16/2005US20050127981 Multi-level high voltage generator
06/16/2005US20050127974 Method and apparatus for generating and controlling a quadrature clock
06/16/2005US20050127973 Method and apparatus for generating a quadrature clock
06/16/2005DE102004034864A1 System und Verfahren zum dynamischen verändern eines Taktsignals System and method for dynamically changing a clock signal
06/15/2005CN1628412A Variable impedance load for a variable gain radio frequency amplifier
06/15/2005CN1628411A Amplifier circuit, gyrator circuit, filter device and method for amplifying signal
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