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