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)
06/2010
06/03/2010US20100134169 Delay Circuit
06/03/2010US20100134083 System and method for a/d conversion
06/02/2010CN201499144U On-board interface protection circuit
06/02/2010CN101207371B Matching circuit and dual-band power amplifier
06/02/2010CN101183856B Operational amplifier circuit, bandpass filter circuit, and infrared signal processing circuit
06/02/2010CN101166021B Controllable resistive circuit for providing a continuous variable resistance and filter circuit
06/01/2010US7729676 Integrated switchless programmable attenuator and low noise amplifier
06/01/2010US7728643 Delay circuit and semiconductor memory device including the same
06/01/2010US7728642 Ripple counter based programmable delay line
05/2010
05/27/2010US20100127769 Active filter having a multilevel topology
05/27/2010US20100127748 Time-delay buffer
05/27/2010US20100127747 Digitally controlled oscillator with the wide operation range
05/27/2010US20100127746 Digitally Controlled CML Buffer
05/26/2010CN201490987U Signal delay module
05/26/2010CN1628412B Variable impedance load for a variable gain radio frequency amplifier
05/26/2010CN1628411B Amplifier circuit, gyrator circuit, filter device and method for amplifying signal
05/26/2010CN101714859A Filter circuit and voltage-controlled oscillating circuit
05/20/2010WO2010054904A1 Low-cost miniature active filter
05/20/2010US20100123503 Variable delay circuit, variable delay circuit controlling method, and input/output circuit
05/20/2010US20100123502 System for providing a substantially uniform potential profile
05/19/2010EP2186194A1 Differential to single-ended conversion for radio frequency devices
05/19/2010CN201479127U Energy extraction and data clock recovery device for active balise
05/19/2010CN201479094U Multi-band filter device
05/19/2010CN201479093U Electromagnetic interference suppression circuit for a power switch
05/19/2010CN201479092U Miniature digital tuning co-location filter
05/19/2010CN1968014B Calibration circuit and semiconductor device incorporating the same
05/19/2010CN101171748B Resistor circuit
05/18/2010US7720444 Adaptive radio transceiver with a local oscillator
05/18/2010US7719083 Integrated spiral inductor
05/18/2010CA2553911C Lighting and display apparatus
05/18/2010CA2351327C Impedance matching networks for non-linear circuits
05/13/2010US20100117724 Filter circuit
05/13/2010US20100117705 Semiconductor integrated circuit device having plural delay paths and controller capable of Blocking signal transmission in delay path
05/13/2010US20100117698 Timing vernier using a delay locked loop
05/12/2010CN201467106U Same-frequency two-way transmission system
05/12/2010CN201467080U High-precision twin differential potentiometer feedback circuit
05/12/2010CN201464838U Self-adaptation zero-frequency compensating circuit of low-dropout linear voltage regulator
05/12/2010CN1860682B Semiconductor device, radio terminal device and radio communication unit
05/12/2010CN1507151B Variable impedance network for integrated circuit
05/12/2010CA2685985A1 Isolation of sensing circuit from pace generator
05/11/2010US7714630 Method and apparatus to limit circuit delay dependence on voltage
05/11/2010US7714629 Delay circuit and delay time adjustment method
05/06/2010WO2010049040A1 Ultrasonic transducers
05/06/2010US20100109783 Reconfigurable Amplifier and Filter Using Time-Varying Circuits
05/06/2010US20100109735 Control signal generation circuit and sense amplifier circuit using the same
05/05/2010EP2182633A1 Circuits for ultrasonic transducers
05/05/2010CN1983808B Bandwith-adjusting low-channel filter
05/05/2010CN1968013B Low phase differential broadband digital attenuator IC of microwave and millimeter wave
05/05/2010CN1871745B Method and apparatus providing integrated load matching using adaptive power amplifier compensation
05/05/2010CN1739236B Gain variable voltage/current conversion circuit and filter circuit using the same
05/04/2010US7710178 Delay apparatus for delay locked loop
04/2010
04/29/2010WO2010048233A1 Tunable filter with gain control circuit
04/29/2010WO2010048232A1 Tunable filters with lower residual sideband
04/29/2010WO2010047631A1 A circuit comprising at least a first transistor group and a second transistor group
04/29/2010WO2010047471A2 Phase shifter and control method thereof
04/29/2010US20100103709 System and method for emulating an ideal diode in a power control device
04/28/2010CN1578152B Low-pass filter and feedback system
04/27/2010US7705651 Delay circuit of semiconductor memory apparatus
04/27/2010CA2429077C Reconfigurable broadband active power splitter, ditto power combiner and ditto bidirectional power splitter/power combiner and circuits based on these
04/21/2010CN1890884B Filter method, low-noise filter and portable transceiver
04/21/2010CN101150303B Multiple order low pass filter for an xDSL splitter in a telecommunication system
04/21/2010CN101056094B Coaxial high-power low-pass filtering-impedance converter
04/15/2010US20100090778 Radio frequency filter
04/15/2010US20100090759 Quantum interference transistors and methods of manufacturing and operating the same
04/15/2010US20100090758 low-pass filter
04/15/2010US20100090749 Multi-function chip
04/15/2010US20100090741 Delay circuit
04/15/2010US20100090740 Automatic rc/cr quadrature network
04/15/2010US20100090735 Delay circuit and delay locked loop circuit including the same
04/15/2010DE102008047528A1 Verfahren zum erdschlußunabhängigen Kompensieren von Oberschwingungen der Spannungen an Anschlußknoten A method for compensating for erdschlußunabhängigen harmonic voltage at terminal nodes
04/14/2010EP2174416A1 Sensor system and method
04/14/2010EP2174337A1 Plasma supply device
04/14/2010CN101252347B High precision matching circuit based on digital modulation
04/14/2010CN101025995B Apparatus for controlling built-in terminal
04/13/2010US7697900 Adaptive radio transceiver with an antenna matching circuit
04/13/2010US7696803 Signal generating circuit
04/13/2010US7696802 Data delay control circuit and method
04/08/2010WO2010038331A1 Resonator and oversampling a/d converter
04/08/2010US20100085823 Optimizing Sram Performance over Extended Voltage or Process Range Using Self-Timed Calibration of Local Clock Generator
04/08/2010US20100085098 Digital delay line driver
04/08/2010US20100085093 Multi-phase clock system
04/06/2010US7693554 Method for operating a data storage medium
04/06/2010US7692247 System and method for ESD protection
04/01/2010US20100079185 method and an apparatus for processing a signal
04/01/2010US20100079180 Ac-coupling phase interpolator and delay-locked loop using the same
04/01/2010US20100079167 Differential voltage mode driver and digital impedance caliberation of same
03/2010
03/31/2010CN201435716Y Programmable low-noise analog filter
03/31/2010CN101689869A Method and arrangement for matching an antenna
03/30/2010US7688158 Digitally tuned, integrated baluns with enhanced linearity for multi-band radio applications
03/30/2010US7688126 Time delay circuit and time to digital converter
03/30/2010US7688107 Shift register, display device, and electronic device
03/25/2010WO2010033120A1 Systems and methods for reducing low frequency loss in a magnetic storage device
03/25/2010WO2010032825A1 Magnetic coupling-type isolator
03/25/2010WO2010032824A1 Magnetic coupling-type isolator
03/25/2010WO2010032823A1 Magnetic coupling-type isolator
03/25/2010WO2010011264A3 Impedance matching
03/24/2010CN101682314A Integrated circuit having re-configurable balun circuit and method therefor
03/24/2010CN101677235A Loop filter, quantizer, analog-digital converter and operational amplifier
03/24/2010CN100596022C Digital type pulse fixed lead time shift circuit
03/23/2010US7684780 Semiconductor device, radio terminal device, and radio communication equipment
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