| Patents for H03H 11 - Networks using active elements (9,098) |
|---|
| 01/20/2005 | DE102004027298A1 Auf dem Chip ausgeführter Hochpassfilter mit großer Zeitkonstanten Executed on-chip high-pass filter with large time constants |
| 01/19/2005 | EP1499020A1 Circuit and method for adapting the current consumption and the output power of power amplifiers in mobile telephones to various environment conditions |
| 01/18/2005 | US6844766 VCDL with linear delay characteristics and differential duty-cycle correction |
| 01/13/2005 | WO2003094330B1 Active common mode emi filters |
| 01/13/2005 | US20050007173 Voltage controlled oscillator delay cell |
| 01/13/2005 | US20050007165 Method and apparatus for determining a processing speed of an integrated circuit |
| 01/12/2005 | EP0988698B1 Gyrator |
| 01/12/2005 | CN1184739C 有源电感器 Active Inductors |
| 01/11/2005 | US6842710 Calibration of integrated circuit time constants |
| 01/11/2005 | US6842069 Active common mode EMI filters |
| 01/11/2005 | US6842062 Integrated electronic circuit including non-linear inductor devices |
| 01/06/2005 | WO2005002072A1 Attenuator system |
| 01/06/2005 | US20050001685 High frequency amplifier circuit and mobile communication terminal using the same |
| 01/06/2005 | US20050001668 Variable delay element for use in delay tuning of integrated circuits |
| 01/06/2005 | US20050001667 Delay circuit with more-responsively adapting delay time |
| 01/06/2005 | US20050001666 Delay circuit having function of filter circuit |
| 01/05/2005 | EP1494350A2 High frequency amplifier circuit and mobile communication terminal using the same |
| 01/05/2005 | EP1493228A1 Application-specific integrated circuit for a low-pass filtering device used for decoupling xdsl channels |
| 01/05/2005 | EP1493227A1 Circuit and method for adjusting circuit tolerances |
| 01/05/2005 | CN1183672C Polyphase filter |
| 01/04/2005 | US6839250 Active EMI filter with feed forward cancellation |
| 01/04/2005 | US6838957 Differential metal oxide semiconductor capacitor |
| 01/04/2005 | US6838946 Circuit and method for adjusting circuit tolerances |
| 01/04/2005 | US6838929 Integrated circuit arrangement comprising an active filter and a method for tuning an active filter |
| 12/30/2004 | US20040263261 Low-pass filter and feedback system |
| 12/30/2004 | US20040263234 Arrangement, network and method for reducing non-linearity within active resistor networks |
| 12/30/2004 | US20040263211 On-chip high-pass filter with large time constant |
| 12/29/2004 | EP1492236A1 Low-pass filter and feedback system |
| 12/29/2004 | EP1490872A2 Filter control for varying data rate communication channels |
| 12/29/2004 | EP1177624B1 Filter with controlled offsets for active filter selectivity and dc offset control |
| 12/28/2004 | US6836199 Tuning circuit |
| 12/28/2004 | US6836180 Poly-phase network with resonant circuit bandpass shaping |
| 12/28/2004 | US6836170 Impedance trimming circuit |
| 12/26/2004 | CA2433889A1 Phase shift circuit |
| 12/23/2004 | US20040260500 Device and method for calibrating R/C filter circuits |
| 12/23/2004 | US20040257153 Continuous-time filter |
| 12/23/2004 | US20040257152 Poly-phase network with resonant circuit bandpass shaping |
| 12/23/2004 | US20040257137 Techniques for dynamically selecting phases of oscillator signals |
| 12/23/2004 | US20040256695 Electrically controlled very high value floating cmos resistor |
| 12/22/2004 | EP1489752A1 Receiver apparatus |
| 12/22/2004 | EP1488518A2 Apparatus and method for introducing signal delay |
| 12/22/2004 | CN1181612C Filtering method of adaptive active analog band-pass filter with zero phase and temp shifts |
| 12/16/2004 | WO2004109888A2 System to control integrated circuit resonance |
| 12/16/2004 | US20040252803 Low-pass filter and phase locked loop |
| 12/16/2004 | US20040251958 Active filter |
| 12/16/2004 | US20040251948 Adjustable impedance circuit |
| 12/16/2004 | US20040251945 Shared delay circuit of a semiconductor device |
| 12/15/2004 | EP1487109A1 Low-pass filter and phase locked loop |
| 12/15/2004 | EP1260022A4 Band pass filter from two notch filters |
| 12/15/2004 | EP1250759A4 Band pass filter from two filters |
| 12/15/2004 | EP1250758A4 Band pass filter with improved group delay |
| 12/14/2004 | US6831975 Digital subscriber line (DSL) modem compatible with home networks |
| 12/14/2004 | US6831506 Reconfigurable filter architecture |
| 12/09/2004 | US20040245971 System to control integrated circuit resonance |
| 12/09/2004 | US20040245963 Feedback system to control integrated circuit resonance |
| 12/09/2004 | DE10323780A1 Unterbrechungsfreie Einstellung von Funktionsgruppen, die Dämpfungsglieder mit festen Werten als Einstellelemente enthalten Contain Uninterruptible setting of functional groups, the attenuators with fixed values as adjusting |
| 12/08/2004 | CN1554146A Active tunable filter circuit |
| 12/08/2004 | CN1553570A Output driver impedance controller and its integrated circuits and control method |
| 12/08/2004 | CN1553569A Apparatus and method for adjusting the impedance of an output driver |
| 12/08/2004 | CN1553290A Low-noise rapid stabilizing stabilized circuit |
| 12/07/2004 | US6828873 Integrated high frequency circuit for affecting the amplitude of signals |
| 12/07/2004 | US6828860 Gigabit ethernet transceiver with analog front end |
| 12/07/2004 | US6828820 Method and circuit for producing control signal for impedance matching |
| 12/02/2004 | WO2004105234A1 Improvements in or relating to transconductor circuits |
| 12/02/2004 | US20040239440 Voltage controlled resistor and a controlling method |
| 12/01/2004 | EP1135769B1 Circuit for reduction and optimization of write-to-read settling times in magnetic medium storage devices |
| 12/01/2004 | EP1020027B1 Cmos differential voltage controlled logarithmic attenuator and method |
| 12/01/2004 | CN1551501A Apparatus and method for calibrating resistance/ capacitor filter circuit |
| 12/01/2004 | CN1178390C Changeable attenuator |
| 11/30/2004 | US6825722 Mixer and differential amplifier having bandpass frequency selectivity |
| 11/30/2004 | US6825718 Impedance matching circuit |
| 11/30/2004 | US6825712 Filter circuit, front end of communication system including the filter circuit, and communication device including the same |
| 11/25/2004 | WO2004102805A1 Delay circuit |
| 11/25/2004 | US20040233085 Output filter for delta sigma modulator and digital signal processor provided with the same |
| 11/25/2004 | US20040232981 Amplifier circuit |
| 11/25/2004 | US20040232977 Filter circuit |
| 11/24/2004 | EP1480426A1 Uninterruptable adjusting of function groups comprising attenuators with fixed values as adjusting elements |
| 11/24/2004 | CN1549447A Dynamic adjustable decouplied capacitive circuit |
| 11/23/2004 | US6822697 Television tuner that generates no interfering signal |
| 11/23/2004 | US6822502 Variable impedance circuit |
| 11/18/2004 | US20040227573 Active inductance circuit and differential amplifier circuit |
| 11/18/2004 | US20040227546 Semiconductor integrated circuit |
| 11/18/2004 | DE4126850B4 Schaltungsanordnung zur Anpassung von Datenbuscontrollern an eine symmetrische Busleitung Circuitry for adjusting Datenbuscontrollern a symmetric bus |
| 11/16/2004 | US6819167 Filter circuit |
| 11/11/2004 | US20040222871 Negative impedance converter |
| 11/10/2004 | CN1545206A Digital type rheostat device |
| 11/10/2004 | CN1175571C Delay circuit, clock generating circuit and phase synchronized circuit |
| 11/10/2004 | CN1175568C Output cadence integrated circuit with phase displacement produced by cadence signal |
| 11/09/2004 | US6816005 All pass filter |
| 11/09/2004 | US6816004 Minimizing noise in data channels implemented using frequency division multiplexing |
| 11/09/2004 | US6816003 Circuits with dynamic biasing |
| 11/09/2004 | US6815995 Delay circuit and method with delay relatively independent of process, voltage, and temperature variations |
| 11/09/2004 | US6815993 π/2 phase shifter |
| 11/09/2004 | US6815989 Sequential activation delay line circuits and methods |
| 11/09/2004 | US6815979 Impedance control circuit for controlling multiple different impedances with single control circuit |
| 11/04/2004 | US20040219900 Wideband monolithic tunable high-Q notch filter for image rejection in RF application |
| 11/04/2004 | US20040218754 Echo canceling arrangement |
| 11/04/2004 | US20040217806 Integrated rc filter |
| 11/04/2004 | US20040217794 Propagation delay adjustment circuit |
| 11/04/2004 | US20040217751 Variable impedance network for an integrated circuit potentiometer |