| Patents for H03H 11 - Networks using active elements (9,098) |
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| 08/05/2008 | US7408994 AC coupling system for wide band digital data with dynamic AC load |
| 08/05/2008 | US7408423 Semiconductor device and adjusting method for semiconductor device |
| 08/05/2008 | US7408394 Measure control delay and method having latching circuit integral with delay circuit |
| 07/31/2008 | US20080182526 Adaptive radio transceiver with an antenna matching circuit |
| 07/31/2008 | US20080180182 Delay unit |
| 07/31/2008 | US20080180154 Digital delay circuit |
| 07/30/2008 | EP1950884A1 Filter adjusting method, filter adjusting device, and filter circuit |
| 07/30/2008 | EP1384323B1 Method and device for adjusting an active filter |
| 07/24/2008 | US20080174353 Path delay adjustment circuitry using programmable driver |
| 07/23/2008 | EP1946440A1 A transconductance stage arrangement |
| 07/23/2008 | EP1946405A1 Electrical funnel: a novel broadband signal combining method |
| 07/23/2008 | CN101226936A Switching current wavelet translation device |
| 07/22/2008 | US7403057 CML delay cell with linear rail-to-rail tuning range and constant output swing |
| 07/22/2008 | US7403056 Delay apparatus and method thereof |
| 07/22/2008 | US7402991 Wide bandwidth attenuator input circuit for a measurement probe |
| 07/17/2008 | US20080169948 Filter Adjustment Circuit |
| 07/17/2008 | US20080169880 Tunable microwave devices with auto-adjusting matching circuit |
| 07/17/2008 | US20080169879 Tunable microwave devices with auto-adjusting matching circuit |
| 07/17/2008 | US20080169857 Hierarchical Scalable High Resolution Digital Programmable Delay Circuit |
| 07/17/2008 | US20080169826 Measuring a long time period or generating a time delayed event |
| 07/17/2008 | US20080169794 Systems for providing a constant resistance |
| 07/16/2008 | CN101222206A Emendation method and apparatus for capacitance time constant of chip built-in resistance |
| 07/16/2008 | CN100403633C High-attenuation ultra-small common mode conduction electromagnetic interference active filter |
| 07/15/2008 | US7400868 Automatic tuning apparatus for filter and communication instrument |
| 07/15/2008 | US7400735 Wave-filtering device with an adjustable frequency bandwidth |
| 07/15/2008 | US7400190 Self calibration of continuous-time filters and systems comprising such filters |
| 07/15/2008 | US7400183 Voltage controlled oscillator delay cell and method |
| 07/10/2008 | US20080164929 Electronic Circuit Wherein an Asynchronous Delay is Realized |
| 07/10/2008 | US20080164928 Phase interpolation apparatus, systems, and methods |
| 07/08/2008 | US7397317 Quadrature signal generator for tuning phases of all of four generated quadrature signals |
| 07/08/2008 | US7397292 Digital input buffer with glitch suppression |
| 07/03/2008 | US20080158090 Integrated coupler |
| 07/03/2008 | US20080157866 Capacitance multiplier circuit |
| 07/03/2008 | US20080157865 Tunable capacitance multiplier circuit |
| 07/03/2008 | US20080157844 Time delay circuit |
| 07/03/2008 | US20080157843 Signal Driver Having Selectable Aggregate Slew Rate to Compensate for Varying Process, Voltage or Temperature Conditions |
| 07/02/2008 | EP1940029A1 Low-pass filter and feedback system |
| 07/02/2008 | EP1938453A1 Systems and method for automatic quadrature phase imbalance compensation using a delay locked loop |
| 07/02/2008 | CN101213745A Filter calibration |
| 07/01/2008 | US7394302 Semiconductor circuit, operating method for the same, and delay time control system circuit |
| 07/01/2008 | US7394301 System and method for dynamically varying a clock signal |
| 07/01/2008 | US7394300 Adjustable delay cells and delay lines including the same |
| 07/01/2008 | US7394238 High frequency delay circuit and test apparatus |
| 06/26/2008 | US20080150632 Gigabit ethernet transceiver with analog front end |
| 06/26/2008 | US20080150626 Time variant filter with reduced settling time |
| 06/26/2008 | US20080150612 Switching circuit for cmos circuit |
| 06/26/2008 | US20080150604 Converter having a time-delay circuit for pwm signals |
| 06/26/2008 | US20080150603 Signal generation circuit, jitter injection circuit, semiconductor chip and test apparatus |
| 06/25/2008 | CN101207371A Matching circuit and dual-band power amplifier |
| 06/24/2008 | US7391251 Pre-emphasis and de-emphasis emulation and wave shaping using a programmable delay without using a clock |
| 06/24/2008 | US7391247 Timing vernier using a delay locked loop |
| 06/19/2008 | US20080143433 Active emc filter for medical applications |
| 06/19/2008 | US20080143413 Programmable delay circuit |
| 06/17/2008 | US7389087 Adaptive radio transceiver with filtering |
| 06/17/2008 | US7388412 Clock multipliers using filter bias of a phase-locked loop and methods of multiplying a clock |
| 06/12/2008 | WO2008069785A1 Active distributed signal splitting apparatus |
| 06/12/2008 | WO2008069384A1 Broadband active balun and balanced mixer using reactive feedback |
| 06/12/2008 | US20080139160 Apparatus and method for tuning a band pass filter |
| 06/12/2008 | US20080136509 Audio filter using a diode connected mosfet |
| 06/12/2008 | US20080136485 Delay circuit and delay synchronization loop device |
| 06/12/2008 | US20080136484 Sense amplifier control signal generating circuit of semiconductor memory apparatus |
| 06/11/2008 | CN101197560A Intermediate-frequency LC shunt resonance loop adopting active inductor |
| 06/11/2008 | CN101197531A Capacity controlled numerical frequency modulation circuit |
| 06/10/2008 | US7385543 Systems and methods for asynchronous triggering of an arbitrary waveform generator |
| 06/10/2008 | US7385426 Low current offset integrator with signal independent low input capacitance buffer circuit |
| 06/05/2008 | WO2008066552A1 Active lc band pass filter |
| 06/05/2008 | US20080129424 Negative capacitance synthesis |
| 06/05/2008 | US20080129361 Method and system for programmable delays on transport outputs |
| 06/05/2008 | US20080129360 Clock Generator With Programmable Non-Overlapping-Clock-Edge Capability |
| 06/05/2008 | US20080129342 Configurable delay chain with stacked inverter delay elements |
| 06/04/2008 | EP1927188A2 Filter circuit |
| 06/04/2008 | CN101192819A Micro-wave mm wave broadband and low consumption digital analog compatible phase shifter |
| 06/03/2008 | US7382171 Semiconductor circuit for detecting a signal propagation time |
| 06/03/2008 | US7382170 Programmable delay circuit having reduced insertion delay |
| 05/29/2008 | WO2008027711A3 Systems and methods for filter center frequency location |
| 05/28/2008 | EP1925076A1 Method and arrangement for adjusting an output impedance of a power amplifier |
| 05/28/2008 | EP1230732B1 Gigabit ethernet transceiver with analog front end |
| 05/27/2008 | US7379521 Delay circuit with timing adjustment function |
| 05/27/2008 | US7378891 Measure-controlled circuit with frequency control |
| 05/27/2008 | US7378831 System and method for determining a delay time interval of components |
| 05/22/2008 | WO2008059744A1 Filter circuit, and receiving device and electronic device using the filter circuit |
| 05/22/2008 | WO2008059097A1 Electronic circuit for obtaining a variable capacitative impedance |
| 05/22/2008 | US20080116861 Apparatus and method for controlling the propagation delay of a circuit by controlling the voltage applied to the circuit |
| 05/21/2008 | EP1923998A2 Active-RC filter with compensation to reduce Q enhancement |
| 05/21/2008 | EP1923997A1 Apparatus and method for tuning a band pass filter |
| 05/21/2008 | EP1537659B1 Tuning arrangement |
| 05/21/2008 | DE102006052873A1 Filter circuit arrangement for use in circuit arrangement for producing local oscillator signals, has tunable filter whose characteristics dominates transient characteristic of arrangement during operation with aligned phase locked loop |
| 05/21/2008 | CN101183861A Bandpass filter circuit, band-elimination filter circuit, infrared signal processing circuit |
| 05/21/2008 | CN101183856A Operational amplifier circuit, bandpass filter circuit, and infrared signal processing circuit |
| 05/20/2008 | US7375582 Polyphase filter with integrators |
| 05/15/2008 | US20080112712 Bandpass filter circuit, band-elimination filter circuit, infrared signal processing circuit |
| 05/15/2008 | US20080112711 Operational amplifier circuit, bandpass filter circuit, and infrared signal processing circuit |
| 05/15/2008 | US20080111607 Amplitude-linear differential phase shift circuit |
| 05/15/2008 | DE102006052611A1 Linear broadband amplifier e.g. measuring amplifier, for measuring techniques, has amplifier stages connected in parallel between hybrid couplers, where stages are based on transistors made of semiconductor materials with large band gaps |
| 05/14/2008 | CN101179263A Digital type pulse fixed lead time shift circuit |
| 05/14/2008 | CN101179262A Filter circuit device |
| 05/14/2008 | CN101179261A Surge current suppressing circuit and audio product using the same |
| 05/08/2008 | WO2008053555A1 High-speed analog signal input protection circuit and time-of-flight mass spectrometer |
| 05/08/2008 | US20080106954 Voltage and temperature compensation delay system and method |
| 05/07/2008 | EP1665519A4 Method and apparatus providing integrated load matching using adaptive power amplifier compensation |