Patents
Sitemap › H03 - Basic electronic circuitry › H03H - Impedance networks, e.g. resonant circuits; Resonators › H03H 11 - Networks using active elements
Patents for H03H 11 - Networks using active elements (9,098)
01/2008
01/17/2008US20080012633 Digital controlled filter system and filtering method
01/17/2008US20080012615 Delay locked loop, semiconductor memory device including the same, and method of generating delay clock signals
01/16/2008CN101106370A Clock control method and circuit
01/16/2008CN101106362A Conduction-cross circuit module and RF filter
01/16/2008CN100362741C Digital type rheostat device
01/15/2008US7319732 Low-pass filter and phase locked loop
01/15/2008US7319351 Delay generator with symmetric signal paths
01/10/2008WO2008005677A1 Loop filter with noise cancellation
01/10/2008US20080007326 Charge Domain Filter Device
01/09/2008EP1875606A2 Programmable microwave circuit
01/09/2008EP1430600B1 Active tunable filter circuit
01/08/2008US7318081 Band-pass filter and tracking signal processor circuit
01/08/2008CA2228243C A single-edge adjustable delay circuit
01/03/2008US20080001683 Integrated circuit incorporating wire bond inductance
01/02/2008CN101098132A Tunable filter apparatus, systems, and methods
01/01/2008US7315876 System and method for providing delay line and/or finite impulse response filters using a lossless and dispersion-free transmission line
12/2007
12/27/2007US20070297225 High voltage switching circuit
12/27/2007US20070296485 Semiconductor device
12/27/2007US20070296479 Delay circuit
12/27/2007US20070296478 Integrated circuit package including programmable comparators
12/26/2007EP1119907B1 Method of and arrangement for converting voltage to current
12/26/2007CN200997586Y Tuning-band filter
12/26/2007CN101093982A Active balancing circuit modules, systems and capacitor devices
12/25/2007US7313201 Multi-range transconductor and method of operation
12/19/2007EP1868290A2 Reconfigurable frequency filter
12/19/2007EP1433256A4 Circuits and methods for output impedance matching in switched mode circuits
12/18/2007US7310008 Configurable delay chain with stacked inverter delay elements
12/13/2007US20070285154 Adaptive radio transceiver with filtering
12/13/2007US20070285145 Delay line circuit
12/13/2007US20070285144 Delay line with delay cells having improved gain and in built duty cycle control and method thereof
12/12/2007EP1864489A2 Filter device, circuit arrangement comprising such filter device as well as method of operating such filter device
12/11/2007US7308632 Method and apparatus for measuring duty cycle distortion on an integrated circuit
12/06/2007US20070279113 Dll Circuit
12/06/2007US20070279112 Semiconductor Memory
12/06/2007US20070279111 Dll Circuit
12/05/2007CN101084626A Mechanism to aid a phase interpolator in recovering a clock signal
12/05/2007CN100353663C Input circuit for television tuner
12/04/2007US7304521 Delay circuit for synchronizing arrival of a clock signal at different circuit board points
12/04/2007US7304520 Delay circuit and semiconductor device including same
11/2007
11/29/2007US20070273456 Phase-shifting circuit and multibit phase shifter
11/29/2007US20070273422 Adjusting circuit and method for delay circuit
11/29/2007US20070273421 Process insensitive delay line
11/29/2007DE102006021888B3 Anordnung und Verfahren zur Kompensation eines Fehlerstromes bei einem Erdschluss Apparatus and method for compensating a fault current for a ground fault
11/28/2007CN100351916C Delay circuit
11/27/2007US7302461 Analog delay elements
11/27/2007US7301391 Filtering variable offset amplifier
11/27/2007US7301383 Circuit for controlling phase with improved linearity of phase change
11/22/2007WO2007070286A3 Method and apparatus for capacitance multiplication within a phase locked loop
11/21/2007CN101076941A Filter characteristic adjusting apparatus and filter characteristic adjusting method
11/15/2007WO2007087774A3 Circuit for adjusting an impedance
11/08/2007WO2007081368A3 Low power, wavelet-based spike detector
11/08/2007US20070257748 Active inductor
11/08/2007US20070257747 Active capacitor
11/07/2007EP1851855A1 Receiver comprising an amplifier
11/07/2007EP1851854A1 Receiver comprising an amplifier
11/07/2007CN101069345A 滤波器调整电路 Filter tuning circuit
11/07/2007CN100347954C Switchable high-frequency band filter
11/06/2007US7292086 Delay circuit and semiconductor device
11/06/2007US7292085 Timing delay generator and method using temperature stabilisation
11/06/2007US7292084 Timer circuit with adaptive reference
10/2007
10/31/2007EP1850472A1 High-frequency circuit
10/31/2007CN101064501A Self-adapting circuit of plate integrated low-noise active filter
10/31/2007CN101064432A Voltage dynamic regulation circuit of power factor corrector
10/30/2007US7289784 Active tunable filter circuit
10/30/2007US7288978 Delay circuit and ring oscillator using the same
10/25/2007WO2007119264A1 Input impedance circuit and low-pass filter circuit
10/25/2007US20070247244 Voltage-Controlled Oscillator
10/25/2007US20070247206 Programmable trigger delays
10/24/2007CN100345376C Integrated circuit
10/24/2007CN100345373C Multilayer ceramic frequency selective circuit
10/23/2007US7287235 Method of simplifying a circuit for equivalence checking
10/23/2007US7286811 Local oscillator apparatus and method
10/23/2007US7286000 Semiconductor device
10/18/2007US20070241800 Programmable delay circuit having reduced insertion delay
10/17/2007EP1845618A1 Clock buffer
10/17/2007CN101056094A Coaxial high-power low-pass filtering-impedance converter
10/17/2007CN100344058C Dual edge programmable delay unit and method for providing programm of the unit
10/16/2007US7284216 System and method for verifying signal propagation delays of circuit traces of a PCB layout
10/16/2007US7283005 Clock-pulse generator circuit
10/16/2007US7282993 Frequency characteristics-variable amplifying circuit and semiconductor integrated circuit device
10/16/2007US7282979 Phase shifting device
10/11/2007US20070236280 Active Bandpass Filter
10/11/2007US20070236269 Non-linear current mode digital to analog converter for controlling a current starved delay stage
10/11/2007DE102004064023B4 Adjustable signal delay circuit comprises a two signal delay members, delay measurement member, subtractor and amplifer connected to permit delay adjustment and control
10/10/2007EP1842286A1 Monolithically integrated switchable circuits with mems
10/09/2007US7279962 Frequency tuning loop for active RC filters
10/09/2007US7279949 Programmable delay element
10/04/2007WO2006107261A9 Programmable microwave circuit
10/04/2007US20070232252 Attenuator with switch function and mobile telephone terminal device using the same
10/03/2007CN101047365A Differential capacitor multiflier
10/02/2007US7276951 Delay line circuit
10/02/2007US7276950 Prevention of the propagation of jitters in a clock delay circuit
10/02/2007US7276949 Multiphase clock generation
09/2007
09/27/2007WO2007108138A1 Composite band-pass filter and method of filtering quadrature signals
09/27/2007US20070222518 High frequency amplifier circuit and mobile communication terminal using the same
09/27/2007US20070222494 Delay control circuit
09/27/2007US20070222493 Digital-to-time converter
09/27/2007US20070222492 Direct digital synthesizer with variable reference for improved spurious performance
09/26/2007EP1384324B1 A cmos circuit with constant output swing and variable time delay for a voltage controlled oscillator
09/26/2007CN200953544Y Low pass filter circuit
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