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)
01/2014
01/09/2014WO2014007006A1 Delay circuit and semiconductor apparatus
01/08/2014CN203387476U Attenuator circuit structure
01/08/2014CN103503313A 功率分配电路 Power distribution circuit
01/07/2014US8624652 Accurate low-power delay circuit
01/07/2014US8624651 Interpolation circuit and receiving circuit
01/03/2014WO2014001609A1 Apparatus, method and a computer program for tuning an impedance
01/02/2014US20140003102 Adaptive online filter for dc offset elimination
01/02/2014US20140002166 Accurate low-power delay circuit
01/02/2014US20140002164 Delay circuit and delay method using the same
01/02/2014US20140002149 Clock generation circuit and semiconductor apparatus including the same
01/01/2014CN103490746A Apparatus and methods for notch filtering
01/01/2014CN102163964B Impedance correcting device and method
12/2013
12/31/2013US8618857 Delay circuit and associated method
12/26/2013US20130342268 Active interference-noise cancellation device, and a method in relation thereto
12/26/2013US20130342254 Apparatuses and methods for adjusting a minimum forward path delay of a signal path
12/25/2013CN203368417U Impedance stepless matching network for ultrasonic power
12/25/2013CN203368416U Intensity adjusting circuit of network signal coupling
12/25/2013CN103477544A Common-mode filter device and system
12/25/2013CN103475332A Electric heater protection device and electric heater
12/25/2013CN103475331A Electric heater protection device and electric heater
12/25/2013CN103475330A Frequency compensation device of sensor based on three-level cascaded active device
12/19/2013WO2013187048A1 Communication device and alignment circuit applied voltage adjustment method
12/18/2013EP2675065A2 Electronic apparatus, filter adjustment apparatus, filter adjustment method, and filter adjustment program
12/18/2013CN203352549U Filter circuit for recording frequency of frequency converter by use of PLC high-speed counter
12/18/2013CN203352548U High-precision fully-differential active RC low-pass filter for GPS receiver
12/18/2013CN103457572A Second-order active power filter circuit
12/18/2013CN102394590B Program-controlled variable 5-bit reciprocal microwave monolithic integrated attenuator
12/18/2013CN101674066B Method of forming integrated semiconductor device and structure therefor
12/17/2013US8610478 Differential delay cell with low power, low jitter, and small area
12/17/2013US8610477 Wideband analog phase shifter
12/12/2013US20130328623 Low power active filter
12/11/2013CN203340029U Active wave filtering device
12/11/2013CN103444078A Impedance-matching network using BJT switches in variable-reactance circuits
12/11/2013CN102270978B Active low-pass filter based on positive feedback inductance substitution method
12/10/2013US8604857 Power supply-insensitive buffer and oscillator circuit
12/10/2013US8604840 Frequency synthesizer noise reduction
12/05/2013WO2013179890A1 Single-phase differential conversion circuit, balun, switch and communication device
12/05/2013WO2013178271A1 Variable attenuator
12/05/2013US20130321092 Hybrid active tuning systems and methods
12/05/2013US20130321053 Method and device for sampling an input signal
12/05/2013DE202013009591U1 spannungsgesteuerter Tiefpass voltage controlled low-pass
12/04/2013EP2668719A2 Weighting filter, and corresponding methods and devices for transmitting and receiving an analog signal and computer program
12/04/2013CN103427788A Adaptive standing-wave adjusting circuit
12/03/2013US8598931 Delay circuit
11/2013
11/28/2013WO2013175055A1 Radio frequency tracking filter
11/28/2013US20130314140 Analog delay lines and adaptive biasing
11/26/2013US8594513 Time delay adjustment device and method
11/26/2013US8593197 Delay line circuit, delay locked loop and tester system including the same
11/26/2013US8593196 Test circuit and methods for speed characterization
11/26/2013US8593195 High performance memory interface circuit architecture
11/21/2013US20130307611 Multi-chip package and operating method thereof
11/20/2013CN103401531A Multi-mode radio frequency antenna switch
11/20/2013CN103401530A Impedance stepless matching network used for ultrasonic power supply and control method
11/20/2013CN103401529A DC offset correction method of complex band pass filter circuit
11/19/2013US8588403 Echo canceling arrangement
11/14/2013US20130301853 Induced signal removing circuit
11/14/2013US20130301753 Circuit device and electronic apparatus
11/13/2013CN203289388U Novel adjustable complex filter
11/13/2013CN103391070A High-precision fully-differential active RC low-pass filter for GPS receiver
11/13/2013CN103391069A Circuit device and electronic apparatus
11/13/2013CN103391068A Dual operational amplifier band-pass active power filter
11/07/2013WO2013165082A1 Amplifier and filter having cutoff frequency controlled according to digital code
11/07/2013US20130293316 Methods for directional coupler termination impedance control
11/07/2013US20130293303 Dual Carrier Amplifier Circuits And Methods
11/07/2013US20130293291 Quality factor tuning for lc circuits
11/06/2013EP2660613A1 Method and module for measuring the rate of change of frequency of waveforms related to converter units in wind turbine generators.
11/06/2013CN203270703U Intelligent kitchen sink with amplifying circuit
11/06/2013CN203270702U Intelligent kitchen sink with filter circuit
11/06/2013CN103384149A Signal processing circuit
10/2013
10/31/2013US20130285764 Rf front-end with on-chip transmitter/receiver isolation using a gyrator
10/31/2013US20130285715 Transconductance-Enhancing Passive Frequency Mixer
10/30/2013EP2658121A2 Tuner with calibration of center frequency of IF notch filter and calibration of S-Meter
10/30/2013CN203261300U Radio-frequency variable attenuator
10/30/2013CN103380570A Interface circuit for connecting a microphone circuit to a preamplifier.
10/24/2013WO2013155669A1 An electronic inductance circuit for the power supply of a 2-wire bus intercom system and a device thereof
10/24/2013US20130278330 Low pass filter with an increased delay
10/24/2013US20130278329 Analog loop filter systems, apparatus, and methods
10/24/2013US20130278316 Phased array architecture configured for current reuse
10/24/2013CA2849785A1 Electronic inductance circuit for power supply of 2-wire bus intercom system and device thereof
10/23/2013CN103368525A Signal conditioning module of distribution transformer remote monitoring system
10/23/2013CN103368524A Signal conditioning circuit for remote monitoring system of distribution transformer
10/23/2013CN103368523A Device for providing a vector modulation output signal and method for providing a vector modulation output signal
10/23/2013CN102231623B Active low-pass filter based on positive feedback inductance substitution method
10/22/2013US8564353 Temperature sensitive device for generating a temperature-dependent output signal that is substantially independent of device manufacturing process
10/22/2013US8564352 High-resolution phase interpolators
10/17/2013US20130272079 Command latency systems and methods
10/17/2013US20130271210 N-path filter with coupling between paths
10/17/2013US20130271196 High Precision Single Edge Capture and Delay Measurement Circuit
10/16/2013CN203243295U Pure numerical-controlled attenuation unit device
10/15/2013US8558598 Phase shift generating circuit
10/15/2013US8558597 High-resolution phase interpolators
10/15/2013US8558596 Phase interpolation circuit suitable for wide range frequency input and output characteristics stabilizing method thereof
10/10/2013US20130265106 Transconductance adjustment circuit, circuit device, and electronic apparatus
10/10/2013US20130265105 Transistor-based filter for inhibiting load noise from entering a power supply
10/09/2013CN203233373U Low pass adjustable filter
10/09/2013CN103346754A Filtering isolator
10/09/2013CN102931943B Second-order active resistor-capacitor (RC) low-pass filter circuit with Class-AB amplifier output
10/08/2013US8552783 Programmable delay generator and cascaded interpolator
10/08/2013US8552782 Quadrature phase network
10/08/2013US8552781 Digital quadrature phase correction
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