Patents for H03H 11 - Networks using active elements (9,098) |
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06/26/2007 | US7236033 System and method for detecting processing speed of integrated circuit |
06/21/2007 | WO2007069360A1 Circuit for adjusting cutoff frequency of filter |
06/21/2007 | WO2007069359A1 Automatic regulator of filter |
06/21/2007 | US20070139119 Variable attenuator |
06/21/2007 | CA2632006A1 Method and apparatus for capacitance multiplication within a phase locked loop |
06/20/2007 | CN1983809A Wideband acoustic surface-wave switching filter set |
06/20/2007 | CN1983808A Bandwith-adjusting low-channel filter |
06/19/2007 | US7233772 Adaptive radio transceiver with filtering |
06/19/2007 | US7233185 Vernier circuit for fine control of sample time |
06/14/2007 | US20070132497 Delay cells and delay line circuits having the same |
06/13/2007 | CN1980057A Impedance matching device and method for output drive circuit |
06/12/2007 | US7230467 Constant edge generation circuits and methods and systems using the same |
06/07/2007 | WO2007063643A1 Automatic adjustment circuit, and filter circuit |
06/07/2007 | US20070126487 Strobe technique for recovering a clock in a digital signal |
06/06/2007 | EP1793494A1 Signal divider |
06/06/2007 | DE102006040793A1 Doppelwegdämpfungssystem Doppelwegdämpfungssystem |
06/06/2007 | CN1977458A A hybrid tuning circuit for continuous-time increment accumulation analog-to-digital converter |
06/06/2007 | CN1976233A 环路低通滤波器 Loop low-pass filter |
06/06/2007 | CN1976220A Lead fixing structure of noise filter |
05/31/2007 | US20070120605 Integrated switchless programmable attenuator and low noise amplifier |
05/31/2007 | US20070120591 Regulated charge pump with digital resistance control |
05/30/2007 | EP1790075A1 Active electromagnetic interference filter circuit for suppressing a line conducted interference signal |
05/30/2007 | CN1973436A Simplified Sallen-Key low-pass filter circuit |
05/30/2007 | CN1972121A Apparatus and method for tuning center frequency of a filter |
05/30/2007 | CN1972119A Stabilization circuit and multiband amplification circuit |
05/29/2007 | US7224757 Method and apparatus for improving the performance of delta-sigma modulators |
05/29/2007 | US7224240 Balanced high-frequency filter, antenna duplexer, balanced high-frequency circuit and communication apparatus |
05/29/2007 | US7224213 Switched capacitor ripple-smoothing filter |
05/24/2007 | WO2007058012A1 Filter adjusting method, filter adjusting device, and filter circuit |
05/24/2007 | US20070117507 Integrated direct conversion satellite tuner |
05/24/2007 | DE102006044006A1 Vorrichtung zum Wandeln eines asymmetrischen Singals in ein Differenzsignal Apparatus for converting an asymmetric singals in a differential signal |
05/24/2007 | DE102004034864B4 Erzeugnisse und Verfahren zum dynamischen Verändern eines Taktsignals Products and method for dynamically changing a clock signal |
05/24/2007 | DE10014478B4 Filtersystem mit dualer Bandbreite Filter system with dual bandwidth |
05/23/2007 | EP1221193A4 Filter having minimized cut-off frequency variations |
05/23/2007 | CN1968014A Calibration circuit and semiconductor device incorporating the same |
05/23/2007 | CN1968013A Low phase differential broadband digital attenuator IC of microwave and millimeter wave |
05/23/2007 | CN1967840A Self-correcting circuit for mismatch capacity |
05/22/2007 | US7221924 Wideband monolithic tunable high-Q notch filter for image rejection in RF application |
05/22/2007 | US7221601 Timer lockout circuit for synchronous applications |
05/22/2007 | US7221244 Localized enhancement of multilayer substrate thickness for high Q RF components |
05/22/2007 | US7221212 Trimming functional parameters in integrated circuits |
05/18/2007 | WO2007034222A3 Filter circuit |
05/17/2007 | US20070109656 MEMS device annealing |
05/16/2007 | EP1786101A2 On-chip R-C time constant calibration |
05/16/2007 | CN1965471A Voltage control oscillator |
05/15/2007 | US7218181 Integrable amplitude-locked loop including an acoustic resonator |
05/15/2007 | US7218162 Semiconductor integrated circuit having output circuit |
05/15/2007 | US7218161 Substantially temperature independent delay chain |
05/15/2007 | CA2451438C Delta filter with an adaptive time window for protective relays |
05/10/2007 | US20070103183 Isolation Buffers With Controlled Equal Time Delays |
05/10/2007 | DE102005051778A1 Analoger Signalverarbeitunsblock Analog Signalverarbeitunsblock |
05/09/2007 | EP1783905A1 Impedance circuit, power supply device |
05/09/2007 | EP1783904A1 HF plasma supply system |
05/09/2007 | EP1593199A4 Adaptive input logic for phase adjustments |
05/09/2007 | EP1421546A4 Method and apparatus for analysis of variables |
05/08/2007 | US7215227 Gm-C filter compensation |
05/08/2007 | US7215219 Temperature and frequency variable gain attenuator |
05/08/2007 | US7215164 Capacitance multiplier with enhanced gain and low power consumption |
05/04/2007 | CA2525388A1 Complementary-pair equalizer |
05/03/2007 | US20070096793 Semiconductor device |
05/03/2007 | US20070096788 Adaptive coding and modulation using linked list data structures |
05/03/2007 | US20070096787 Method for improving the timing resolution of DLL controlled delay lines |
05/02/2007 | EP1780888A1 Notch filter and apparatus for receiving and transmitting radio-frequency signals which comprises said filter |
05/02/2007 | EP1780887A1 Fm detection circuit |
05/02/2007 | EP1779510A2 Active-rc filter with compensation to reduce q enhancement |
05/02/2007 | CN1956326A ZQ calibration circuit and semiconductor device comprising the same |
05/02/2007 | CN1955748A Method and device of providing impedance calibration for source series terminated serial link transmitter |
05/02/2007 | CN1314287C High-integrated universal duplexer module used for mobile communication duplex tower top amplifier |
05/01/2007 | US7212068 Tunable Sallen-Key filter stage and filter assembly |
05/01/2007 | US7212057 Measure-controlled circuit with frequency control |
04/26/2007 | WO2007046732A1 A transconductance stage arrangement |
04/24/2007 | US7209845 Configurable voltage regulator |
04/19/2007 | US20070085627 Electronic high-frequency switch and attenuator with said high-frequency switches |
04/19/2007 | DE112005000994T5 Hochpassfilter, welcher isolierte Gate-Feldeffekttransistoren verwendet High-pass filter which utilizes insulated gate field-effect transistors |
04/18/2007 | EP1774738A1 Improved rc filter pole for fm transmitters |
04/18/2007 | EP1774652A2 Emc filter |
04/18/2007 | CN2891477Y Variable frequency negative resistance and high pass filter circuit comprising it |
04/18/2007 | CN1951010A Selectable delay pulse generator |
04/18/2007 | CN1951007A Shell type actuator |
04/18/2007 | CN1949665A Balance to unbalance converter |
04/17/2007 | US7205863 Temperature and frequency equalizer |
04/17/2007 | US7205813 Differential type delay cells and methods of operating the same |
04/17/2007 | US7205812 Hysterisis management for delay line |
04/17/2007 | US7205810 Skew tolerant phase shift driver with controlled reset pulse width |
04/12/2007 | WO2007014083A3 Phase interpolation |
04/12/2007 | US20070080736 Off-Chip LC Circuit for Lowest Ground and VDD Impedance for Power Amplifier |
04/12/2007 | US20070080735 Method and apparatus for selection internal or external time delay |
04/12/2007 | DE102005047155A1 Sendeanordnung und Verfahren zur Impedanzanpassung Transmitting arrangement and method for impedance matching |
04/12/2007 | DE102005047135A1 Filter arrangement, e.g. for radio transceiver, has first impedance which is connected at first connection to input and with first resonant frequency with second impedance connected at first connection to input of filter |
04/11/2007 | CN1310327C Semiconductor integrated circuit having on-chip termination |
04/10/2007 | US7203126 Integrated circuit systems and devices having high precision digital delay lines therein |
04/10/2007 | US7202762 Q enhancement circuit and method |
04/10/2007 | US7202726 Voltage controlled oscillator delay cell |
04/05/2007 | US20070077908 Fully integrated tuner architecture |
04/05/2007 | US20070076124 Delay Circuit and Video Signal Processing Circuit Using the Same |
04/05/2007 | US20070075763 Measure-controlled circuit with frequency control |
04/04/2007 | CN1943112A Receiver apparatus and electronic device using the same |
04/04/2007 | CN1942977A Dll circuit |
04/04/2007 | CN1942976A Semiconductor memory |
04/04/2007 | CN1941639A Transmitting arrangement and method for impedance matching |