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)
06/2005
06/15/2005CN1627638A Method and circuit for designing impedance matching
06/15/2005CN1627637A 90-degree phase shifter
06/15/2005CN1206805C Variable gain amplifier and filter circuit
06/14/2005US6906601 Variable phase shifter and a system using variable phase shifter
06/14/2005US6906599 Designing methods and circuits for impedance matching
06/14/2005US6906569 Digital signal delay device
06/14/2005US6906562 Counter-based clock multiplier circuits and methods
06/09/2005US20050123036 Method and apparatus for controlling the bandwidth frequency of an analog filter
06/09/2005US20050122161 Active filter circuit using gm amplifier, and data read circuit, data write circuit and data reproducing device using the same
06/09/2005US20050122151 Dual edge programmable delay unit
06/09/2005US20050122144 Timing vernier using a delay locked loop
06/09/2005US20050121723 Nonlinear resistor circuit using floating gate mosfets
06/08/2005EP1538744A1 Gain-controlled amplifier, receiver circuit and radio communication device
06/08/2005EP1537659A1 Tuning arrangement
06/08/2005EP1537658A1 Self calibration of continuous-time filters and systems comprising such filters
06/08/2005CN1625054A Dual edge programmable delay unit and method for providing programm of the unit
06/08/2005CN1625050A Active filter circuit using gm amplifier, and data read circuit, data write circuit and data reproducing device using the same
06/08/2005CN1205747C RF circuit
06/07/2005US6903602 Calibrated fully differential RC filter
06/07/2005US6903591 Phase shifter circuit
06/02/2005WO2005050853A1 Low-noise filter for a wireless receiver
06/02/2005WO2004032191A3 Applications of nano-enabled large area macroelectronic substrates incorporating nanowires and nanowire composites
06/02/2005US20050118980 Variable rate RC calibration circuit with filter cut-off frequency programmability
06/02/2005US20050118971 High frequency amplifier circuit permitting variable gain control
06/02/2005US20050116782 Loop filter with active capacitor and method for generating a reference
06/02/2005US20050116767 Active filter
06/02/2005US20050116758 Wide frequency range voltage-controlled oscillators (vco)
06/02/2005US20050116757 Voltage controlled oscillator delay cell
05/2005
05/31/2005US6900705 Balanced high-frequency device and balance-characteristics improving method and balanced high-frequency circuit using the same
05/31/2005US6900695 Reconfigurable broadband active power splitter ditto power combiner and ditto bidirectional power splitter/power combiner and circuits based on these
05/31/2005US6900685 Tunable delay circuit
05/26/2005US20050114428 Analog delay elements
05/25/2005CN1620762A Noise elimination circuit
05/25/2005CN1619959A Phase delay circuit and method
05/24/2005US6897704 Electronic isolator
05/24/2005US6897528 Electrically controlled very high value floating CMOS resistor
05/19/2005WO2005046054A1 Semiconductor device, radio terminal and radio communication unit
05/19/2005US20050107064 Low-noise filter for a wireless receiver
05/19/2005US20050107055 Integrated switchless programmable attenuator and low noise amplifier
05/19/2005US20050104638 Clock control method and circuit
05/17/2005US6894580 Filter tuner system and method
05/17/2005US6894558 Adjustable bandwidth high pass filter for large input signal, low supply voltage applications
05/17/2005US6894557 Method for tuning a corner frequency of a low pass filter
05/17/2005US6894552 Low-jitter delay cell
05/12/2005WO2005027156A3 Dsl modem and transformer
05/12/2005US20050100084 System and method for signal amplification
05/12/2005US20050099225 All-pass filter circuit
05/12/2005US20050099221 Capacitance multiplier
05/12/2005US20050099210 System and method for dynamically varying a clock signal
05/11/2005CN1614881A 音频信号放大电路 Audio signal amplifier circuit
05/10/2005US6891436 Transconductance varying circuit of transconductor circuit, varying bandwidth filter circuit using the same and digital tuning circuit of transconductor-capacitor filter
05/10/2005US6891416 Timing generation circuit and method for timing generation
05/10/2005US6891410 Method and apparatus for determining a processing speed of an integrated circuit
05/06/2005WO2005040836A2 Isolation buffers with controlled equal time delays
05/06/2005WO2005020434A3 Shell type actuator
05/05/2005US20050093606 High-resolution variable attenuation device
05/05/2005US20050093605 Delay circuit having fuction of filter circuit
05/04/2005CN1613185A Low-pass filter, feedback system and semiconductor integrated circuit
05/04/2005CN1613181A Balanced gyrator and devices including the balanced gyrator
05/03/2005US6889036 Integrated frequency selectable resonant coupling network and method thereof
05/03/2005US6888389 Digital control variable delay circuit which is hardly susceptible to noise
04/2005
04/28/2005WO2005039047A1 Vernier circuit for fine control of sample time
04/28/2005WO2005013483A3 Method and system for filter tuning using a digital trim value
04/28/2005US20050088167 Isolation buffers with controlled equal time delays
04/27/2005CN1199353C Wave filter circuit constituted by at least one filter stage
04/26/2005US6885275 Multi-track integrated spiral inductor
04/26/2005US6885231 Variable delay element for use in delay tuning of integrated circuits
04/26/2005US6885230 Adaptive delay of timing control signals
04/26/2005US6885181 Calibration circuit
04/21/2005WO2005036747A2 Selectable delay pulse generator
04/21/2005WO2005036732A1 Method and apparatus to match output impedance of combined outphasing power amplifiers
04/21/2005WO2005035436A2 Mems device annealing by laser
04/21/2005US20050083151 High-frequency active inductor
04/21/2005US20050083109 Adaptive mosfet resistor
04/21/2005US20050083092 Tunable delay circuit
04/21/2005DE10392579T5 Aktiver Common Mode Emi Filter Active Common Mode Emi Filter
04/20/2005EP1523702A2 Capacitive feedback circuit
04/20/2005CN1607726A Capacitance multiplier
04/20/2005CN1198392C Terminal circuit without influence by voltage
04/19/2005US6882216 On-chip high-pass filter with large time constant
04/19/2005US6882136 Variable impedance network for an integrated circuit potentiometer
04/14/2005WO2004109888A3 System to control integrated circuit resonance
04/14/2005US20050077956 Integrated circuit
04/14/2005US20050077955 Low-pass filter for a pll, phase-locked loop and semiconductor integrated circuit
04/14/2005US20050077943 Semiconductor integrated circuit
04/14/2005US20050077942 Vernier circuit for fine control of sample time
04/14/2005US20050077941 Selectable delay pulse generator
04/14/2005US20050077940 Process and skew tolerant precharge circuit
04/14/2005US20050077930 Frequency generator and communication system
04/13/2005EP1522100A1 Integrated circuit arrangement
04/12/2005US6879816 Integrated switchless programmable attenuator and low noise amplifier
04/12/2005US6879643 Process and device for controlling the phase shift between four signals mutually in phase quadrature
04/07/2005WO2005031972A1 Active filter
04/07/2005US20050073873 Reconfigurable analog cell and an arrangement comprising a plurality of such cell
04/07/2005US20050073374 Method and apparatus to match output impedance of combined outphasing power amplifiers
04/07/2005DE10341063A1 Vorwärtsverstärkende Filterschaltung Forward-enhancing filter circuit
04/05/2005US6876271 Microwave switching with illuminated field effect transistors
04/05/2005US6876256 Balanced amplifier and filter using the same
04/05/2005US6876255 Linear amplifier using non-linear CMOS capacitors
03/2005
03/31/2005WO2004013962A3 Solid state rf power switching network
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