| Patents for H03H 11 - Networks using active elements (9,098) |
|---|
| 07/25/2002 | US20020097084 Tunable integrated RF filter having switched field effect capacitors |
| 07/25/2002 | DE10102720A1 Filter module for wide band telephone technology, using asymmetric digital subscriber line (ADSL) |
| 07/24/2002 | EP1224735A1 An adaptive radio transceiver |
| 07/24/2002 | CN2502452Y Multi-port gyropscope |
| 07/24/2002 | CN1360789A Electronic inductor with transmit signal telephone line driver |
| 07/23/2002 | US6424480 Magnetic medium storage apparatus with read channel having a programmable write-to-read suppression |
| 07/23/2002 | US6424226 Two-port with a frequency-dependent network |
| 07/23/2002 | US6424209 Integrated programmable continuous time filter with programmable capacitor arrays |
| 07/23/2002 | US6424192 Phase lock loop (PLL) apparatus and method |
| 07/23/2002 | US6424172 Circuit structure for synthesizing time-continual filters |
| 07/23/2002 | US6424169 Active termination network |
| 07/18/2002 | WO2002056558A2 Active filter circuit with dynamically modifiable internal gain |
| 07/18/2002 | WO2002056470A1 Active filter circuit with dynamically modifiable gain |
| 07/18/2002 | WO2002056467A1 Phase shifter and multibit phase shifter |
| 07/18/2002 | US20020093370 Delay circuit using current source |
| 07/16/2002 | US6420923 Low supply, current-controlled FET Pi attenuator |
| 07/11/2002 | WO2001039362A3 Gilbert-cell mixer using bipolar transistors |
| 07/11/2002 | DE10143051A1 Verzögerungsfangschaltung zum Reduzieren der Last einer variablen Verzögerungseinheit beim Hochfrequenzbetrieb und zum stabilen Verriegeln eines externen Taktsignals Fishing delay circuit for reducing the burden of a variable delay unit at high frequency operation and stable locking an external clock signal |
| 07/10/2002 | EP1221193A1 Filter having minimized cut-off frequency variations |
| 07/09/2002 | US6417793 Track/attenuate circuit and method for switched current source DAC |
| 07/09/2002 | US6417791 Delta filter with an adaptive time window for protective relays |
| 07/09/2002 | US6417737 Adaptive radio transceiver with low noise amplification |
| 07/09/2002 | US6417727 Circuit for automatically tuning filter circuits over process, voltage, and temperature |
| 07/09/2002 | US6417712 Phase shifter using sine and cosine weighting functions |
| 07/04/2002 | US20020084867 Microwave semiconductor variable attenuation circuit |
| 07/03/2002 | CN1357176A Arrangement in electronics system |
| 07/02/2002 | US6414527 Semiconductor device replica circuit for monitoring critical path and construction method of the same |
| 07/02/2002 | US6414525 I/O interface circuit, semiconductor chip and semiconductor system |
| 07/02/2002 | US6414512 On-chip termination circuit |
| 06/27/2002 | US20020079991 Differential metal oxide semiconductor capacitor |
| 06/26/2002 | EP1217736A2 Loudspeaker circuit |
| 06/26/2002 | EP1216501A1 Direct conversion receivers and filters adapted for use therein |
| 06/26/2002 | CN1355962A Analogue echo filter |
| 06/20/2002 | US20020075962 Digital transmission line tap circuit |
| 06/19/2002 | EP1215861A2 Switchable, resistive termination circuit |
| 06/19/2002 | EP1214783A1 Wide range, variable phase shift circuit |
| 06/18/2002 | US6408010 TDMA master-slave filter tuning |
| 06/18/2002 | US6407875 Method and apparatus for filtering a signal and producing a response |
| 06/18/2002 | US6407658 Method and arrangement for filtering with common mode feedback for low power consumption |
| 06/18/2002 | US6407627 Tunable sallen-key filter circuit assembly and method |
| 06/18/2002 | US6407607 In and out of phase signal generating circuit |
| 06/13/2002 | WO2002047296A1 Analog filter |
| 06/13/2002 | US20020070784 Dynamic line termination with self-adjusting impedance |
| 06/13/2002 | DE10146825A1 Programmierbare Impedanzsteuerschaltung Programmable impedance control circuit |
| 06/13/2002 | DE10058952A1 Circuit for converting analog input signal to corresponding analog output signal has transconductance amplifiers converting input analog voltage signals to output current signals |
| 06/13/2002 | DE10049331C1 Broadband driver for subscriber interface circuit has 2 broadband driver circuits for driving signals in 2 different frequency ranges |
| 06/12/2002 | EP1213835A1 Filter circuit |
| 06/12/2002 | EP1213834A2 A method for tuning a filter |
| 06/11/2002 | US6404578 Circuit for reduction and optimization of write-to-read settling times in magnetic medium storage devices |
| 06/11/2002 | US6404308 Phase-compensated impedance converter |
| 06/11/2002 | US6404293 Adaptive radio transceiver with a local oscillator |
| 06/11/2002 | US6404279 Band pass filter with improved group delay |
| 06/11/2002 | US6404278 Separation of plural band pass filters |
| 06/11/2002 | US6404277 Gm-C tuning circuit with filter configuration |
| 06/11/2002 | US6404276 Integrated filter tuning method and apparatus |
| 06/11/2002 | US6404258 Delay circuit having low operating environment dependency |
| 06/11/2002 | US6404255 Phase shift apparatus |
| 06/06/2002 | WO2002045283A2 Integrated direct conversion satellite tuner |
| 06/06/2002 | WO2002045264A2 Line impedance calibration using actual impedance determination |
| 06/06/2002 | WO2001026339A8 Band pass and notch filters for echo reduction with less phase distortion |
| 06/06/2002 | US20020068541 Method for tuning a filter |
| 06/06/2002 | US20020067226 Filter Circuit |
| 06/06/2002 | US20020067220 Filter tuner system and method |
| 06/06/2002 | US20020067215 Voltage controlled oscillator including fluctuation transmitter for transmitting potential fluctuation by noise |
| 06/06/2002 | US20020067196 In and out of phase signal generating circuit |
| 06/06/2002 | US20020067168 Line impedance calibration using actual impedance determination |
| 06/05/2002 | EP1119102A9 Feedback circuit and amplifier and mixer comprising the same |
| 06/05/2002 | CN1086051C Circuit bias via transformer |
| 06/04/2002 | US6400932 Low offset automatic frequency tuning circuits for continuous-time filter |
| 06/04/2002 | US6400222 Linearizer |
| 06/04/2002 | US6400218 Variable gain control circuit for a receiver and method therefor |
| 06/04/2002 | US6400217 Integrated circuit having a filter with charge balancing scheme to reduce transient disturbances |
| 06/04/2002 | US6400201 Delay circuit and ring oscillator incorporating the same |
| 05/30/2002 | US20020063576 Programmable impedance control circuit |
| 05/29/2002 | EP1208644A1 Improvements relating to mains rfi filtration |
| 05/29/2002 | CN1351451A Passband smooth compensating circuit |
| 05/28/2002 | US6396934 Analog audio filter for high frequencies |
| 05/28/2002 | US6396328 Variable capacitance circuit |
| 05/28/2002 | US6396320 Clock control method and circuit |
| 05/28/2002 | CA2039424C Integrated circuit for analog system |
| 05/23/2002 | WO2002041442A1 Reconfigurable broadband active power splitter, ditto power combiner and ditto bidirectional power splitter/power combiner and circuits based on these |
| 05/22/2002 | EP1206872A1 Reduced power line driver |
| 05/22/2002 | EP1206839A1 Phase shifting arrangement |
| 05/15/2002 | CN1349681A Impedance matching circuit for power amplifier |
| 05/15/2002 | CN1349305A Multifunctional converter |
| 05/15/2002 | CN1084962C Tuning amplifier |
| 05/14/2002 | US6388511 Filter circuit |
| 05/14/2002 | US6388510 Transconductance-capacitance filter system |
| 05/14/2002 | US6388493 Clock control method and circuit |
| 05/14/2002 | US6388491 Delay circuit |
| 05/08/2002 | EP1204207A1 Active filtercircuit with operational amplifiers |
| 05/07/2002 | US6384714 Method to find a value within a range using weighted subranges |
| 05/07/2002 | US6384675 Differencing non-overlapped dual-output amplifier circuit |
| 05/02/2002 | WO2002035756A2 Active continuous-time filter with increased dynamic range in the presence of blocker signals |
| 05/02/2002 | US20020052179 Circuit for correcting pass band flatness |
| 05/02/2002 | US20020051091 Process and device for controlling the phase shift between four signals mutually in phase quadrature |
| 05/02/2002 | US20020050863 Voltage tunable active inductorless filter |
| 05/02/2002 | EP1202456A2 Circuit for correcting pass band flatness |
| 05/02/2002 | EP1201032A1 Integrated gyrator circuit |
| 05/02/2002 | EP1201030A1 Analog filter |