Patents for H03H 11 - Networks using active elements (9,098)
04/2004
04/07/2004EP1405414A2 A reconfigurable analog cell and an arrangement comprising a plurality of such cell
04/07/2004EP1405411A1 Active filter
04/07/2004EP1405401A1 Linear amplifier using non-linear cmos capacitors
04/07/2004CN1488181A Multi-circuit signal transformer
04/06/2004US6717486 Multi-circuit signal transformer
04/06/2004US6717461 Circuits with dynamic biasing
04/06/2004US6717449 Variable resistance circuit and application circuits using the variable resistance circuit
04/06/2004US6717447 Delay adjustment circuit
04/01/2004US20040064496 Non-reciprocal network element that produces an input impedance that is a product of its load impedances
04/01/2004US20040063415 Integrated tunable filter for broadband tuner
04/01/2004US20040061551 Loop filter and method for adjusting a compensating current of the same
04/01/2004DE10241982A1 Digital signal delay device, uses single inverters connected in series to provide desired delay, e.g. using switching devices
03/2004
03/31/2004CN1144367C Synchronous delay circuit
03/31/2004CN1144365C Low-pass filter with summing function
03/31/2004CN1144364C Device for restraining DC component of current in monocyclic controlled active wave filter
03/31/2004CN1144363C Complementary control based monocycle controlled active wave filter
03/30/2004US6714075 Variable gain amplifier and filter circuit
03/30/2004US6714066 Integrated programmable continuous time filter with programmable capacitor arrays
03/30/2004US6714039 Internal bus termination technique for integrated circuits with local process/voltage/temperature compensation
03/25/2004WO2004008298A3 Capacitive feedback circuit
03/25/2004US20040059528 Semiconductor having reduced configuration pins and method thereof
03/25/2004US20040057546 Variable phase-shifting circuit, phase interpolator incorporating it, and digital frequency synthesizer incorporating such an interpolator
03/25/2004DE10239607A1 Circuit for filtering electrical signals, has feedback device which outputs control signal based on corner frequency of analog filter determined by measuring its time constant
03/24/2004CN1143490C Coupling arrangement in terminating circuit
03/24/2004CN1143428C Impedance matching circuit for power amplifier
03/23/2004US6710644 Low pass filter corner frequency tuning circuit and method
03/23/2004US6710618 Programmable on-chip termination device
03/18/2004WO2004023653A1 Self calibration of continuous-time filters and systems comprising such filters
03/18/2004US20040055021 Apparatus for combining CATV channels with reduced insertion loss
03/18/2004US20040053590 Transconductance / C complex band-pass filter
03/18/2004US20040051576 Delay generator
03/17/2004EP1397852A2 Electronic isolator
03/17/2004EP1249069B1 Interpolator having dual transistor ranks and ratiometric control
03/17/2004EP1201032B1 Integrated gyrator circuit
03/17/2004EP1020023A4 Multiple-phase-interpolation lc voltage-controlled oscillator
03/17/2004CN1142627C Stepped attenuation controlling circuit in digital current mode
03/16/2004US6707354 Active circuit for synthesizing an inductor
03/11/2004WO2004021565A2 Current driven polyphase filters and method of operation
03/11/2004WO2004021561A1 Amplification circuit
03/09/2004US6704560 Low-voltage transconductance amplifier/filters
03/09/2004US6703894 Baseband filter for receivers
03/04/2004US20040043740 Current driven polyphase filters and method of operation
03/04/2004US20040041669 Tuning circuit
03/04/2004US20040041632 Reconfigurable broadband active power splitter ditto power combiner and ditto bidirectional power splitter/power combiner and circuits based on these
03/04/2004US20040041630 Variable gain low-pass filter
03/03/2004EP1393442A1 Integrated dvb filter
03/03/2004EP1392195A2 Integrated low-corner frequency high pass filter circuit
03/03/2004EP1320928A4 A gmc filter and method for suppressing unwanted signals introduced by the filter
03/03/2004EP1206872A4 Reduced power line driver
03/03/2004CN1479425A Harmonic type mixed active power filter and its control method
03/02/2004US6701340 Double differential comparator and programmable analog block architecture using same
02/2004
02/26/2004WO2004017589A1 Circuit and method for dynamically modifiable signal processor
02/26/2004WO2003085825A3 Filter control for varying data rate communication channels
02/26/2004WO2003025512A3 Method and apparatus for analysis of variables
02/26/2004US20040038661 Arrangement for operating various terminal devices
02/26/2004US20040037352 XDSL system with improved impedance circuitry
02/26/2004US20040036523 Two-input/two-output broadband active selector switch with distributed structure, and phase control device comprising such a switch
02/26/2004US20040036462 Microwave switching with illuminatd field effect transistors
02/26/2004DE19856091B4 Steuersignalprozessor und diesen verwendender Leistungskreiskonstanthalter Control signal processor and use this power circuit Direction Stabilizers
02/25/2004EP1391989A1 Tuning circuit and IGFET
02/25/2004CN1478320A DC-coupling method for current mode circuits
02/24/2004US6697002 Low-pass filter
02/24/2004US6696898 Differential crystal oscillator
02/24/2004US6696885 Polyphase filters in silicon integrated circuit technology
02/18/2004CN1476168A Frequeney regulation loop used for transduce capacity filter
02/18/2004CN1476167A Multiphase filter circuit
02/17/2004US6694013 Filter arrangement and method for telecommunication device
02/12/2004WO2004013962A2 Solid state rf power switching network
02/12/2004WO2004013961A1 Gain-controlled amplifier, receiver circuit and radio communication device
02/05/2004US20040021525 Solid state RF power switching network
02/05/2004US20040021507 Low noise switched low pass filter with benign transients
02/05/2004US20040021506 Technique and circuit for fast settling of noise reduction filters used in voltage references
02/05/2004US20040021481 Method and circuit for producing control signal for impedance matching
02/05/2004US20040021181 IGFET and tuning circuit
02/04/2004EP1387495A1 Low noise switched low pass filter with benign transients
02/04/2004EP1386396A1 Lc controllable oscillator, a quadrature oscillator and a communication arrangement
02/03/2004US6686809 Filter trimming
01/2004
01/29/2004WO2004010501A1 Integrated circuit arrangement
01/29/2004US20040017273 Tuning circuit
01/29/2004US20040017250 Method and apparatus for checking the response of a transconductance- capacitance filter
01/29/2004US20040017241 Clock control method and circuit
01/29/2004DE10231638A1 Integrierte Schaltungsanordnung An integrated circuit device
01/29/2004DE10228810A1 Mikrowellen-Schaltung mit beleuchteten Feldeffekt-Transistoren Microwave circuit with illuminated field effect transistors
01/29/2004DE10143051B4 Verzögerungsregelkreis zum Reduzieren der Last einer variablen Verzögerungseinheit beim Hochfrequenzbetrieb und zum stabilen Verriegeln eines externen Taktsignals Delay locked loop for reducing the load of a variable delay unit in the high frequency operation, and for stable locking of an external clock signal
01/28/2004EP1384324A1 A cmos circuit with constant output swing and variable time delay for a voltage controlled oscillator
01/28/2004EP1384323A1 Method and device for adjusting an active filter
01/27/2004US6683511 Controllable attenuator
01/27/2004US6683492 Circuits with dynamic biasing
01/22/2004WO2004008636A1 A method for improving intermodulation characteristics in fet attenuators and mixers
01/22/2004WO2004008298A2 Capacitive feedback circuit
01/22/2004CA2431143A1 Variable phase shifter and a system using variable phase shifter
01/21/2004EP1383236A1 Reconfigurable multibandfilter
01/21/2004CN1469641A Trap circuit and TV receiver
01/20/2004US6681103 On-chip image reject filter
01/20/2004US6680645 Active filter circuit with operational amplifier
01/20/2004US6680639 Phase shifting arrangement for generating mutually orthogonal signals
01/20/2004US6680627 Balanced transconductor and electronic device
01/15/2004WO2004006433A1 Tuning arrangement
01/15/2004US20040008096 Inductor equivalent circuit and application thereof
01/15/2004US20040008069 Method and apparatus for skewing data with respect to command on a DDR interface
1 ... 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 ... 91