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)
01/2006
01/05/2006WO2006000984A1 Simplified sallen-key low-pass filter circuit.
01/05/2006WO2005114774A3 Calibratable microwave circuit with illuminable gaas-fet, calibrating device and process
01/05/2006US20060001504 High bandwidth high gain receiver equalizer
01/05/2006US20060001482 Filter device
01/04/2006CN1715933A Wide bandwidth attenuator input circuit for a measurement probe
01/04/2006CN1235312C Method of tuning summing network
01/03/2006US6983136 Directly tuned filter and method of directly tuning a filter
01/03/2006US6982584 Phase quadrature and slaved working frequency signal generator
12/2005
12/29/2005WO2005125008A1 Fbar filter
12/29/2005WO2005125004A1 Voltage controlled oscillator
12/29/2005WO2005124992A1 Voltage control oscillator
12/29/2005US20050285763 Hybrid tuning circuit for continuous-time sigma-delta analog-to-digital converter
12/28/2005EP1609240A1 Circuit arrangement and transistor control method
12/27/2005US6980054 Trans-conductance amplification circuit, trans-conductance filter circuit, and filtering method
12/27/2005US6980049 Polyphase-notchfilter
12/27/2005US6980041 Non-iterative introduction of phase delay into signal without feedback
12/22/2005DE102004026148A1 Digital gesteuertes Filter-Tuning für WLAN-Kommunikationsgeräte The digitally controlled filter tuning for wireless communication devices
12/22/2005DE102004024367A1 Kalibrierbare Mikrowellen-Schaltung mit beleuchtbaren GaAs-FET sowie Kalibriervorrichtung und Verfahren zur Kalibrierung Calibrated microwave circuit with illuminated GaAs FET and calibration device and method for calibrating
12/21/2005EP1608062A1 Digitally controlled resistance
12/21/2005CN1710808A Impedance calibration circuit and method
12/20/2005US6977542 Adjusting the trans-conductance of a filter
12/20/2005US6977541 Variable time constant circuit and filter circuit using the same
12/20/2005US6977538 Delay unit for periodic signals
12/15/2005WO2005119909A1 Digitally programmable i/q phase offset compensation
12/15/2005WO2005119908A1 High pass filter using insulated gate field effect transistors
12/15/2005US20050275490 Q enhancement circuit and method
12/15/2005US20050275458 Programmable passive inductor
12/15/2005US20050275447 One-pin automatic tuning of MOSFET resistors
12/15/2005US20050275440 Technique for operating a delay circuit
12/15/2005US20050275438 Capacitance multiplier with enhanced gain and low power consumption
12/14/2005EP1605588A2 Wide bandwidth attenuator input circuit for a measurement probe
12/14/2005CN1707947A Programmable/adjustable active electric resistance-capacitance wave filter
12/14/2005CN1707946A Frquency regulating loop for active resistance-capacitance wave filter and method thereof
12/14/2005CN1707945A Programmable/adjustable active electric resistance-capacitance wave filter and method thereof
12/14/2005CN1232108C Trap circuit and TV receiver
12/13/2005US6975838 Adaptive radio transceiver with noise suppression
12/13/2005US6975171 Balanced amplifier and filter using the same
12/07/2005EP1602260A2 Transducer assembly with modifiable buffer circuit and method for adjusting thereof
12/06/2005US6973399 Method and circuit for correcting periodic signals of an incremental position measuring system
12/06/2005US6972606 Delay circuits and related apparatus for extending delay time by active feedback elements
12/01/2005WO2005114837A2 High-speed switched-capacitor ripple-smoothing filter for low jitter phase-locked loop
12/01/2005WO2005114774A2 Calibratable microwave circuit with illuminable gaas-fet, calibrating device and process
12/01/2005US20050265401 Digitally controlled filter tuning for WLAN communication devices
12/01/2005US20050264348 High pass filter using insulated gate field effect transistors
12/01/2005US20050264338 Method and apparatus for generating and controlling a multiphase clock
12/01/2005US20050264337 Method and apparatus for generating a multiphase clock
12/01/2005US20050264335 Digitally programmable I/Q phase offset compensation
11/2005
11/30/2005EP1026830B1 Antenna circuit
11/30/2005CN1229923C Analogue echo filter device
11/30/2005CN1229918C Active inducer
11/29/2005US6970794 Semiconductor having reduced configuration pins and method thereof
11/29/2005US6970029 Variable-delay signal generators and methods of operation therefor
11/24/2005US20050260966 High frequency gain amplifier with phase compensation circuit
11/24/2005US20050258901 System and method for linearizing a CMOS differential pair
11/22/2005US6968167 Adaptive radio transceiver with calibration
11/17/2005US20050253647 Band pass filter
11/17/2005US20050253644 Trimming functional parameters in integrated circuits
11/17/2005US20050253633 PLL circuit and frequency setting circuit using the same
11/17/2005US20050253572 Delay locked loop circuit and method for testing the operability of the circuit
11/15/2005US6965275 Method and apparatus for tuning a filter
11/15/2005US6965273 Oscillator with improved parameters variation tolerance
11/10/2005WO2005035436A3 Mems device annealing by laser
11/10/2005US20050250467 Unconditionally stable filter
11/10/2005US20050248418 Multi-band RF transceiver with passive reuse in organic substrates
11/10/2005US20050248395 High-speed switched-capacitor ripple-smoothing filter for low jitter phase-locked loop
11/10/2005US20050248394 Programmable/tunable active RC filter
11/10/2005DE102005013304A1 Systeme und Verfahren zum Einstellen eines Ausgangstreibers Systems and methods for adjusting an output driver
11/09/2005EP1593199A2 Adaptive input logic for phase adjustments
11/08/2005US6963248 Phase locked loop
11/08/2005US6963236 Method and apparatus for generating and controlling a quadrature clock
11/08/2005US6963110 System and method for ESD protection
11/03/2005WO2005104364A1 Group delay adjustment circuit, group delay adjustment system, and group delay adjustment method
11/03/2005US20050246596 Auto-calibration method for delay circuit
11/03/2005US20050243960 Method of phase shifting bits in a digital signal pattern
11/03/2005US20050242906 Chua's circuit and it's use in a hyperchaotic circuit
11/03/2005US20050242900 Balanced high-frequency filter, antenna duplexer, balanced high-frequency circuit and communication apparatus
11/03/2005US20050242873 Frequency tuning loop for active RC filters
11/03/2005US20050242872 Programmable/tunable active RC filter
11/03/2005US20050242871 Self calibration of continuous-time filters and systems comprising such filters
11/03/2005US20050242864 Semiconductor device, semiconductor system, and digital delay circuit
11/03/2005DE102005010773A1 Hochfrequenz-Umschaltschaltung, Hochfrequenzmodul und drahtloses Kommunikationsbauteil High-frequency switching, high-frequency module and wireless communication component
11/02/2005EP1591858A1 Trimming functional parameters in integrated circuits
11/02/2005EP1260091B1 Power separating filter for data transmission line with complex impedance
11/02/2005EP1201023A4 Dc offset calibration for a digital switching amplifier
11/01/2005US6961546 Adaptive radio transceiver with offset PLL with subsampling mixers
10/2005
10/27/2005WO2005101658A1 Analogue non-linear dynamic filter
10/27/2005US20050237107 Tunable Sallen-Key filter stage and filter assembly
10/27/2005US20050236673 System and method for ESD protection
10/26/2005CN1225091C Base band circuit of receiver and low frequency cut-off frequency controlling method
10/25/2005US6958668 Active inductor
10/25/2005US6958661 Variable resistance circuit
10/25/2005US6958652 Transconductance varying circuit of transconductor circuit, varying bandwidth filter circuit using the same and digital tuning circuit of transconductor-capacitor filter
10/25/2005US6958644 Active filter circuit with dynamically modifiable gain
10/25/2005US6958641 Delay circuit with more-responsively adapting delay time
10/25/2005US6958640 Interpolation delay cell for 2ps resolution jitter injector in optical link transceiver
10/20/2005US20050233701 Systems and methods for adjusting an output driver
10/20/2005US20050232382 Tuning arrangement
10/20/2005US20050232101 Filter circuit
10/20/2005US20050231293 Clock-pulse generator circuit
10/20/2005US20050231271 Internal supply voltage generator for delay locked loop circuit
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