Patents for H03H 11 - Networks using active elements (9,098)
02/2011
02/08/2011US7884660 Variable-length digitally-controlled delay chain with interpolation-based tuning
02/03/2011US20110025411 Apparatus and Method for Tuning a GM-C Filter
02/03/2011DE102009036003A1 Integrator und Leistungsschalter mit Integrator Integrator and circuit breakers with integrator
02/03/2011DE10105258B4 Auflösungs-Filter für einen Spektrumanalysator Resolution filter for a spectrum analyzer
02/02/2011CN101964643A Adaptive broadband orthogonal phase shifting circuit
02/02/2011CN101297477B Transconductance device
02/01/2011US7880568 Equalizer system having a tunable active inductor
02/01/2011US7880559 Programmable microwave circuit
02/01/2011US7880536 Simplified sallen-key low-pass filter circuit
02/01/2011US7880524 DLL circuit and method of controlling the same
01/2011
01/27/2011US20110022859 Power management apparatus and methods
01/27/2011US20110018625 Electronic circuit and electronic circuit arrangement
01/26/2011CN101540594B Active inductance parallel peaking structure
01/25/2011US7876143 Phase shifter
01/25/2011CA2263061C Dual control analog delay element
01/20/2011WO2011008561A1 Buffer circuit with integrated loss canceling
01/20/2011WO2010120758A3 Active power splitter
01/20/2011US20110012661 Sequentially operated modules
01/20/2011US20110012660 Clock circuit with delay functions and related method
01/18/2011US7872515 Phase interpolation device and slew rate control device thereof
01/13/2011WO2011005588A2 Tunable adaptive filter with variable gain trans-conductance stage
01/13/2011WO2011005565A1 High dynamic range receiver front-end with q-enhancement
01/13/2011WO2011004591A1 Filter circuit and optical disc device provided with same
01/13/2011WO2011004512A1 Filter circuit and optical disc device provided with same
01/13/2011US20110006826 Phase signal generating apparatuses
01/13/2011US20110006825 Phase Control Circuit and Method for Optical Receivers
01/13/2011DE19953784B4 Variable Lastschaltung, variable Signalübertragungsschaltung und Signalübertragungssteuerverfahren für integrierte Schaltkreise Variable load circuit, variable signal transmission circuit and signal transmission control method for integrated circuits
01/12/2011EP2273682A1 Integrator, resonator, and oversampling a/d converter
01/12/2011EP2273677A2 Wide bandwidth attenuator input circuit for a measurement probe
01/12/2011EP2273676A2 Filter shaping using a signal-cancellation function
01/12/2011CN101944880A VCO tuning curve compensation method and module thereof
01/11/2011US7868679 Circuit, method for receiving a signal, and use of a random event generator
01/11/2011US7868678 Configurable differential lines
01/11/2011CA2524162C Periodic signal enhancement system
01/06/2011US20110001537 Delay line
01/04/2011US7865087 Bandpass filter circuit, band-elimination filter circuit, infrared signal processing circuit
01/04/2011US7863972 Self-calibration of continuous-time filters and systems comprising such filters
01/04/2011US7863954 Timing vernier using a delay locked loop
12/2010
12/30/2010US20100330398 Semiconductor device, battery protection circuit and battery pack
12/30/2010US20100327935 Delay circuit of semiconductor device
12/30/2010US20100327934 Digital delay lines
12/30/2010US20100327932 Feedback system with improved stability
12/30/2010US20100327931 Wideband programmable phase shifting circuit
12/29/2010WO2010151409A1 Improving digital delay lines
12/29/2010WO2010150037A1 Filter circuit
12/29/2010WO2010149920A2 Very high precision device for measuring the time a signal is input
12/29/2010EP2127063B1 Adaptive provision of protection function settings of electrical machines
12/29/2010CN201690425U Attenuator system
12/29/2010CN101931538A Capacitor coupling circuit and Ethernet network equipment
12/29/2010CN101931376A Direct current isolated amplifier
12/28/2010US7860454 Adaptive radio transceiver with a power amplifier
12/28/2010US7859318 Delay line regulation using high-frequency micro-regulators
12/23/2010WO2010086348A3 Method and system for measuring a time constant of an integrated circuit, and integrated circuit provided with such a system
12/23/2010WO2010086347A3 System for calibrating a time constant of an integrated circuit, and integrated circuit provided with such a system
12/23/2010US20100321104 Network filter and use of a network filter
12/23/2010US20100321037 Configurable voltage regulator
12/22/2010EP2263313A1 Capacitance multiplier circuit
12/22/2010CN101926091A Voltage current converter, differentiation circuit, integration circuit, and filter circuit using converter, and voltage current conversion method
12/22/2010CN101015120B Thermal-mechanical signal processing
12/21/2010US7855615 Frequency adaptive temperature variable attenuator
12/16/2010WO2010144011A1 Distributed power amplifier with active matching
12/16/2010WO2010142487A1 Analog filter having adjustable filter frequency
12/16/2010DE102009026885A1 Analoges Filter mit einstellbarer Filterfrequenz Analog filter with adjustable cutoff frequency
12/16/2010DE102005017832B4 Dämpfungsglied mit Frequenzgangkompensation Attenuator with frequency response compensation
12/15/2010EP2262110A2 Semiconductor integrated circuits
12/15/2010EP2261174A2 RFID tag using nanowire transistors
12/15/2010CN101917176A Cut-off frequency self-tuning method and circuit for filter
12/14/2010US7852174 Negative capacity circuit for high frequencies applications
12/09/2010US20100311375 Sampling mixer, quadrature demodulator, and wireless device
12/09/2010US20100308906 Impedance Transformation With Transistor Circuits
12/09/2010US20100308903 Filtering Arrangement, Filtering Method and Current Sensing Arrangement
12/09/2010US20100308895 Input vector selection for reducing current leakage in integrated circuits
12/09/2010US20100308882 Fine delay adjustment
12/09/2010US20100308871 Delay chain circuit
12/08/2010EP2258046A1 Multiple response filtering apparatus
12/08/2010CN1759633B Transducer assembly with modifiable buffer circuit and method for adjusting thereof
12/08/2010CN101908538A Decoupling capacitor
12/02/2010US20100301930 Reducing device parasitics in switched circuits
12/01/2010EP2255438A2 Variable inductor
12/01/2010EP1523702B1 Capacitive feedback circuit
12/01/2010CN101904096A Variable inductor
12/01/2010CN101902574A Composite low frequency cutoff filter and imaging apparatus using the same
12/01/2010CN101902213A Method for controlling signal attenuation and attenuation type balanced control circuit
12/01/2010CN101902212A High-frequency module
11/2010
11/30/2010US7843287 Active resonant circuit with resonant-frequency tunability
11/25/2010WO2010135710A1 Buffer with active output impedance matching
11/25/2010US20100296671 System and Method of Changing a PWM Power Spectrum
11/25/2010US20100295598 Adaptive radio transceiver with a local oscillator
11/25/2010US20100295593 Delay circuit
11/25/2010US20100295592 Automatic hold time fixing circuit unit
11/25/2010US20100295591 Inter-pair skew adjustment
11/25/2010US20100295590 Time to digital converter
11/24/2010EP2253066A2 Method, system, and apparatus for wideband signal processeing
11/24/2010CN201656934U Time controllable integration given circuit with isolation function
11/24/2010CN201655531U Electronic current transformer with phase-shift circuit
11/24/2010CN1541448B Tunable quadrature phase shifter
11/23/2010US7839993 Echo canceling arrangement
11/18/2010US20100289555 Capacitance interface circuit
11/18/2010US20100289543 Method and Apparatus for Improving Accuracy of Signals Delay
11/18/2010US20100289538 Clock conditioning circuit
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