| Patents for H03H 11 - Networks using active elements (9,098) |
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| 07/07/2009 | US7557631 Voltage and temperature compensation delay system and method |
| 07/07/2009 | US7557560 Timing generator and test device |
| 07/02/2009 | US20090168555 Delay circuit and semiconductor memory device having the same |
| 07/02/2009 | US20090167416 Current consumption prevention apparatus of a high voltage generator |
| 07/02/2009 | US20090167399 Signal delay circuit |
| 07/02/2009 | US20090167398 Pulse signal delay circuit and led drive circuit |
| 07/02/2009 | DE102008059791A1 Automatisch-mittelnde RC-Zeitkonstanten-Kalibrierung Auto-averaging RC time constant calibration |
| 07/01/2009 | CN100508387C Phase delay circuit and method |
| 06/30/2009 | US7555278 Unconditionally stable filter |
| 06/30/2009 | US7555263 Adaptive radio transceiver |
| 06/30/2009 | US7554417 Circuit and method for adjusting impedance |
| 06/30/2009 | US7554375 Delay line circuit |
| 06/30/2009 | CA2401482C Highly accurate digital to analog converter |
| 06/25/2009 | WO2009077856A2 Variable inductor |
| 06/25/2009 | US20090160545 Dual voltage switching circuit |
| 06/25/2009 | US20090160520 Variable delay circuit and delay amount control method |
| 06/25/2009 | US20090160519 Programmable delay circuit with integer and fractional time resolution |
| 06/24/2009 | EP1538744B1 Gain-controlled amplifier, receiver circuit and radio communication device |
| 06/24/2009 | CN100505538C Device for controlling a frequency response by scaling an impedance |
| 06/24/2009 | CN100505537C Variable capacity device |
| 06/23/2009 | US7551015 Operating frequency generating method and circuit for switching voltage converter |
| 06/23/2009 | US7551013 Phase interpolation circuit and method of generating phase interpolation signal |
| 06/23/2009 | US7550962 Wide bandwidth attenuator input circuit for a measurement probe |
| 06/18/2009 | WO2009042060A3 Constant phase digital attenuator with on-chip matching circuitry |
| 06/18/2009 | US20090153214 Delay element, variable delay line, and voltage controlled oscillator, as well as display device and system comprising the same |
| 06/18/2009 | US20090153213 Method for reducing delay difference of differential transmission and system thereof |
| 06/18/2009 | US20090153212 Clock generators for generation of in-phase and quadrature clock signals |
| 06/16/2009 | US7548188 Precision radio frequency delay device |
| 06/16/2009 | US7548136 Distortion reduction for variable capacitance devices |
| 06/16/2009 | US7548105 Method and apparatus for source synchronous testing |
| 06/16/2009 | US7548104 Delay line with delay cells having improved gain and in built duty cycle control and method thereof |
| 06/11/2009 | WO2009071430A1 Filtering arrangement, filtering method and current sensing arrangement |
| 06/11/2009 | US20090146718 Delay circuit |
| 06/11/2009 | US20090146717 Increasing charge capacity of charge transfer circuits without altering their charge transfer characteristics |
| 06/11/2009 | US20090146716 Timing control circuit, timing generation system, timing control method and semiconductor memory device |
| 06/10/2009 | EP2068445A1 Filtering arrangement, filtering method and current sensing arrangement |
| 06/10/2009 | DE102008059157A1 Differenzielles Bandpassfilter mit symmetrisch verflochtenen Induktivitäten Differential bandpass filter with symmetric interlaced inductors |
| 06/10/2009 | CN100499369C Noise filter for an integrated circuit |
| 06/09/2009 | US7546091 High-frequency circuit and high-frequency device |
| 06/09/2009 | US7545195 Variable delay element |
| 06/09/2009 | US7545194 Programmable delay for clock phase error correction |
| 06/09/2009 | US7545193 Voltage-controlled delay circuit using second-order phase interpolation |
| 06/04/2009 | WO2009068901A1 Tuneable filter |
| 06/04/2009 | US20090140801 Locally gated graphene nanostructures and methods of making and using |
| 06/04/2009 | US20090140799 Integrated rc filter |
| 06/04/2009 | US20090140787 Phase controller apparatus and pulse pattern generator and error detector using the phase controller apparatus |
| 06/04/2009 | US20090140783 Semiconductor device |
| 06/03/2009 | EP2064810A2 Systems and methods for filter center frequency location |
| 06/03/2009 | CN101447778A Double-two-order unit employing zero Q value-enhancement technology |
| 06/03/2009 | CN101447777A Multimode multi-frequency radio frequency active integrated filter adopting active inductances |
| 06/03/2009 | CN101447776A Universal electronic potentiometer module |
| 06/03/2009 | CN100495913C DC bias cancel circuit |
| 06/03/2009 | CN100495912C Microwave millmeter wave broad band three decibel orthogonal digital phase shifter |
| 06/02/2009 | US7541890 Quasi active MIMIC circulator |
| 06/02/2009 | US7541855 CML delay cell with linear rail-to-rail tuning range and constant output swing |
| 06/02/2009 | US7541854 Delay apparatus of synchronizing circuit having improved jitter characteristic and method of controlling the same |
| 05/28/2009 | US20090137213 Adaptive radio transceiver with offset pll with subsampling mixers |
| 05/28/2009 | US20090135040 Method for controlling delay time of pulse delay circuit and pulse delay circuit thereof |
| 05/28/2009 | DE10311823B4 Verzögerungsleitungsschaltung und zugehöriges Steuerverfahren Delay line circuit and associated control method |
| 05/27/2009 | EP2062353A1 Broadband impedance matching circuit using high pass and low pass filter sections |
| 05/26/2009 | US7538594 Method for reducing delay difference of differential transmission and system thereof |
| 05/22/2009 | WO2009064968A1 Tuning matching circuits for transmitter and receiver bands as a function of transmitter metrics |
| 05/21/2009 | US20090128322 Time delay circuit and time to digital converter |
| 05/20/2009 | CN201243310Y Interface circuit between D/A converter and modulator |
| 05/20/2009 | CN101436869A Equivalent radio frequency belt defect wave filter circuit, radio frequency chip and receiver |
| 05/20/2009 | CN101436851A Compensating circuit and method, filter applying the compensating circuit |
| 05/20/2009 | CN100490269C Resistance output circuit |
| 05/19/2009 | US7536153 Activation signal output circuit having multiple amplifier circuits |
| 05/19/2009 | US7535816 Waveform equalizer and information reproducing apparatus therewith |
| 05/19/2009 | US7535289 Integrated RC filter |
| 05/19/2009 | US7535278 Circuits and methods of using parallel counter controlled delay lines to generate a clock signal |
| 05/19/2009 | US7535208 Capacitive feedback circuit |
| 05/14/2009 | WO2009060407A1 Differential filtering device |
| 05/13/2009 | EP2058947A2 Broadband reciprocal active balun structure |
| 05/12/2009 | US7532053 Phase interpolation apparatus, systems, and methods |
| 05/07/2009 | WO2009058509A1 Apparatus and method for optimizing delay elements in asynchronous digital circuits |
| 05/07/2009 | US20090115552 Package for suppressing spurious resonance in an fbar |
| 05/07/2009 | US20090115548 Balun circuit and integrated circuit device |
| 05/07/2009 | US20090115515 Receiver Comprising an Amplifier |
| 05/07/2009 | US20090115485 Circuit and method for recovering clock data in highly integrated semiconductor memory apparatus |
| 05/07/2009 | US20090115484 Digitally controlled delay element |
| 05/06/2009 | CN101425793A Hybrid integrator bi-quad unit for zero-pole type high order filter implementation |
| 05/06/2009 | CN101425792A Bi-quad unit for negative feedback type hybrid integrator |
| 05/06/2009 | CN101425791A Bi-quad unit for implementing zero pole type high order filter |
| 05/05/2009 | US7528669 Delay cell for voltage controlled oscillator including delay cells connected as a ring oscillator |
| 05/05/2009 | US7528641 Delay circuit having a correction circuit |
| 04/30/2009 | WO2009053210A1 Precision integrated phase lock loop circuit loop filter |
| 04/30/2009 | US20090108902 Delay Circuit Having Reduced Duty Cycle Distortion |
| 04/30/2009 | US20090108901 Pulse generation circuit and uwb communication device |
| 04/30/2009 | US20090108900 Apparatus and method for optimizing delay element in asynchronous digital circuits |
| 04/30/2009 | US20090108899 Dynamic voltage scaling for self-timed or racing paths |
| 04/30/2009 | US20090108898 Methods and apparatus for improved phase switching and linearity in an analog phase interpolator |
| 04/29/2009 | CN101420124A Fan, fan system and filter thereof |
| 04/29/2009 | CN101419285A Synchronization range-measuring circuit |
| 04/29/2009 | CN100483942C 90-degree phase shifter |
| 04/29/2009 | CN100483923C Circuit arrangement for shifting the phase of an input signal and circuit arrangement for suppressing the mirror frequency |
| 04/28/2009 | US7525364 Delay control circuit |
| 04/28/2009 | US7525363 Delay line and delay lock loop |
| 04/23/2009 | WO2009049855A1 Coil enhancement circuit |
| 04/23/2009 | WO2009012973A3 Method for the protection of high-frequency amplifiers of a plasma supply device and plasma supply device |