Patents for H03H 11 - Networks using active elements (9,098)
10/2013
10/08/2013US8552780 Method and apparatus for determining duty cycle of a clock in a circuit using a configurable phase locked loop
10/03/2013US20130257558 Tunable capacitor
10/03/2013US20130257502 Delay circuit and associated method
10/02/2013CN203225720U Voltage-reversal type negative impedance converter
10/02/2013CN203225719U Filter
10/02/2013CN203225718U Active band-pass filter
09/2013
09/26/2013US20130249625 Signal generation apparatus and signal generation method
09/25/2013CN103326695A Reconfigurable matching network matcher with MEMS switch
09/25/2013CN103326694A Novel calibration complex filter
09/25/2013CN103326693A Reconfigurable Gm-C filter circuit
09/25/2013CN103321280A Intelligent kitchen sink with filter circuit
09/25/2013CN101944880B VCO tuning curve compensation method and module thereof
09/24/2013US8542049 Methods and delay circuits for generating a plurality of delays in delay lines
09/24/2013US8542003 Test apparatus to test a data signal and a clock signal output from a device under test
09/19/2013US20130241619 Power supply induced signal jitter compensation
09/18/2013CN103312355A 可调节双工器系统 Adjustable diplexer system
09/18/2013CN103312294A Active inductor
09/18/2013CN103312293A Impedance correction device and impedance correction method
09/17/2013US8536921 Uniform-footprint programmable-skew multi-stage delay cell
09/17/2013US8536920 Clock circuit with delay functions and related method
09/12/2013US20130234804 Method and Circuitry for Matching Impedance
09/12/2013US20130234770 Delay measuring circuit and delay measuring method
09/12/2013US20130234688 Boosting circuit
09/11/2013CN103296997A Transmission line pulsing
09/11/2013CN103296996A 波形均衡器 Waveform equalizer
09/11/2013CN102064795B Integrated circuit layout method for offset cancelling circuit
09/10/2013US8531237 Low-pass filter, constant voltage circuit, and semiconductor integrated circuit including same
09/06/2013WO2013130675A1 Rf baseband beamforming
09/05/2013US20130229211 Transmission/reception device and information processing device
09/04/2013CN203180864U Anti-mixing filter
09/04/2013CN203180863U An anti-aliasing low-pass filter of an airplane-mounted data collector
09/04/2013CN103281051A Quick-response low-drift active low-pass filter circuit
09/04/2013CN103278552A Device for detecting conductivity interference resistance of rail circuit
09/04/2013CN101689869B Method and arrangement for matching an antenna
09/03/2013US8525567 Pipeline circuit, semiconductor device, and pipeline control method
08/2013
08/29/2013US20130222075 Methods and Apparatuses for use in Tuning Reactance in a Circuit Device
08/29/2013US20130222054 Low distortion filters
08/29/2013DE102012202918A1 Method for control of controllable high frequency attenuators, involves interconnecting output of amplifier with control input of attenuator, while adjusting common-mode potential of amplifier such that matching condition is satisfied
08/28/2013CN203166852U Second-order biquadratic type band-pass filtering circuit
08/28/2013CN103270680A Device with dynamic impedance circuit, system and operating method thereof
08/27/2013US8519765 Method and apparatus for signal phase calibration
08/22/2013US20130215664 Activate signal generating circuit and semiconductor memory device
08/22/2013US20130214841 Low Distortion MOS Attenuator
08/22/2013US20130214840 Semiconductor ic including pulse generation logic circuit
08/22/2013DE102010009199B4 Dynamische Elementanpassung für Verzögerungsleitungen Dynamic element matching for delay lines
08/21/2013CN203151446U Five-in-one electrically tunable filter
08/21/2013CN103259506A Delay line phase shifter with selectable phase shift
08/20/2013US8514035 RF front-end with on-chip transmitter/receiver isolation using a gyrator
08/20/2013US8514002 Clock delay adjustment circuit for semiconductor integrated circuit and control method of the same
08/20/2013US8514001 Memory interface phase-shift circuitry to support multiple frequency ranges
08/15/2013US20130208550 Supply independent delayer
08/15/2013US20130208549 Phase interpolators and push-pull buffers
08/15/2013US20130207872 Adjustable Impedance Matching Network
08/15/2013US20130207738 High frequency solid state switching for impedance matching
08/15/2013US20130207718 Filters with order enhancement
08/15/2013US20130207709 Variable unit delay circuit and clock generation circuit for semiconductor apparatus using the same
08/14/2013DE102013202113A1 Einstellbares Impedanzanpassungsnetz Adjustable impedance matching network
08/14/2013CN203135814U Filtering apparatus
08/14/2013CN103248336A Filters
08/14/2013CN103248335A Logic signal transmission circuit with isolation barrier
08/14/2013CN102158196B Sine and cosine transfer circuit of electrical signals and phase-shifting circuit
08/13/2013US8508277 Phase interpolator, reception circuit and information processing apparatus
08/08/2013US20130203367 Electronic device with adjustable filter and associated methods
08/08/2013US20130201048 Signal interpolation device and parallel a/d converting device
08/08/2013US20130200937 Delay line with cell by cell power down capability
08/08/2013US20130200936 Phase interpolator with independent quadrant rotation
08/07/2013CN101902213B Method for controlling signal attenuation and attenuation type balanced control circuit
08/06/2013US8502626 RF front-end with on-chip transmitter/receiver isolation using the hall effect
08/06/2013US8502587 Fast recovery voltage regulator
08/06/2013US8502586 Methods of clock signal generation with selected phase delay
08/01/2013US20130195291 Fast power-up bias voltage circuit
08/01/2013US20130194017 Delay line phase shifter with selectable phase shift
08/01/2013US20130193867 Impedance-Matching Network Using BJT Switches in Variable-Reactance Circuits
07/2013
07/31/2013CN203104383U High Q quality band pass filter used for audio frequency near field payment
07/31/2013CN203104382U Electromagnetic compatible filter with band-pass function
07/31/2013CN103227621A Data-driven charge-pump transmitter for differential signaling
07/31/2013CN103227620A Reconfigurable Gm_C filter circuit
07/30/2013US8497746 Switched-capacitor band-pass filter of a discrete-time type, in particular for cancelling offset and low-frequency noise of switched-capacitor stages
07/30/2013US8497724 Circuit and method for delaying signal
07/30/2013CA2545984C Filtering and boosting a signal from a drive circuit
07/25/2013WO2013108611A1 Bandpass filter
07/25/2013US20130187691 Loop filter for current-controlled-oscillator-based phase locked loop
07/24/2013CN102142829B Positive feedback-based suspension differential active inductor
07/18/2013US20130181785 Device of variable capacitance
07/17/2013CN203071895U Shelter filtering assembly
07/17/2013CN103207029A Thermopile reading circuit
07/16/2013US8489902 Semiconductor integrated circuit
07/16/2013US8487682 Multi-phase clock generator
07/16/2013CA2632006C Method and apparatus for capacitance multiplication within a phase locked loop
07/11/2013DE102006052873B4 Filter-Schaltungsanordnung Filter circuitry
07/10/2013EP2612440A2 Tunable filter devices and methods
07/10/2013EP2612438A2 Low distortion filters
07/10/2013CN203057092U Equalizer having wireless transmission function
07/10/2013CN103201952A Ota-based current-mode filter and oscillator
07/10/2013CN103199821A Achieving method of ultra-wideband dual tuned transformer
07/10/2013CN103199820A Multiple feedback type tracking filter circuit based on switch modulation and design method thereof
07/10/2013CN103199819A Voltage controlled voltage source type tracking filter circuit based on switch modulation and design method thereof
07/10/2013CN103199818A Filter circuit and electric connector with filter circuit
07/09/2013US8482331 Open loop type delay locked loop and method for operating the same
07/09/2013US8482330 Temperature sensing circuit and method
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