| Patents for H03H 11 - Networks using active elements (9,098) |
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| 11/01/2001 | WO2001082477A2 Method and apparatus for filtering signals utilizing a vibrating micromechanical resonator |
| 11/01/2001 | WO2001082476A2 Method and apparatus for selecting at least one desired channel utilizing a bank of vibrating micromechanical apparatus |
| 11/01/2001 | WO2001082475A2 Method and apparatus for upconverting and filtering an information signal utilizing a vibrating micromechanical device |
| 11/01/2001 | WO2001082467A2 Method and apparatus for generating a signal having at least one desired output frequency utilizing a bank of vibrating micromechanical devices |
| 11/01/2001 | CA2406543A1 Method and subsystem for processing signals utilizing a plurality of vibrating micromechanical devices |
| 11/01/2001 | CA2406518A1 Method and apparatus for generating a signal having at least one desired output frequency utilizing a bank of vibrating micromechanical devices |
| 11/01/2001 | CA2406223A1 Method and apparatus for filtering signals in a subsystem including a power amplifier utilizing a bank of vibrating micromechanical apparatus |
| 11/01/2001 | CA2406176A1 Method and apparatus for selecting at least one desired channel utilizing a bank of vibrating micromechanical apparatus |
| 10/31/2001 | EP1149478A1 Analogue echo filter |
| 10/31/2001 | EP1149391A1 Multi-track integrated spiral inductor |
| 10/30/2001 | US6310505 Semiconductor integrated circuit, delay-locked loop having the same circuit, self-synchronizing pipeline type system, voltage-controlled oscillator, and phase-locked loop |
| 10/30/2001 | US6310502 Broadband phase shifting circuit having two phase shifter branches connected in parallel |
| 10/30/2001 | CA2210547C A microwave vco having reduced supply voltage |
| 10/25/2001 | US20010033206 Phase compensated switched attenuation pad |
| 10/25/2001 | US20010033196 State variable filter including a programmable variable resistor |
| 10/25/2001 | US20010033191 All NPN class-AB log-domain integrator with supporting input and output circuitry for low-voltage and high-frequency continuous-time filtering |
| 10/25/2001 | US20010033158 Phase shift circuit and FM detector circuit |
| 10/24/2001 | EP1148645A2 Phase shift circuit and fm detector circuit |
| 10/24/2001 | EP1147604A1 Impedance matching networks for non-linear circuits |
| 10/24/2001 | EP0772907B1 Circuit bias via transformer |
| 10/23/2001 | US6307445 Impedance match of transmission lines having a connection arrangement for selecting impedance |
| 10/23/2001 | US6307427 Filter characteristic regulating apparatus and regulating method therefor |
| 10/18/2001 | WO2001024363A3 An integrated circuit having a filter with charge balancing scheme to reduce transient disturbances |
| 10/18/2001 | EP1145428A3 An integrated circuit having a filter with charge balancing scheme to reduce transient disturbances |
| 10/17/2001 | EP1146643A2 Phase shifter for use in a quadrature clock generator |
| 10/17/2001 | EP1146642A2 Phase shifter for use in a quadrature clock generator |
| 10/17/2001 | EP1146639A2 A circuit structure of the feedforward type with programmable zeroes, particularly for synthesizing time-continual filters |
| 10/17/2001 | EP1145430A2 Fully integrated tuner architecture |
| 10/17/2001 | EP1145429A1 On-chip termination |
| 10/17/2001 | EP1145428A2 An integrated circuit having a filter with charge balancing scheme to reduce transient disturbances |
| 10/17/2001 | EP1145318A2 System and method for esd protection |
| 10/17/2001 | CN1318226A Two-port with frequency-dependent network |
| 10/16/2001 | US6304135 Tuning method for Gm/C filters with minimal area overhead and zero operational current penalty |
| 10/16/2001 | US6304134 High-frequency boost technique |
| 10/16/2001 | US6304128 Continuous time capacitor-tuner integrator |
| 10/11/2001 | WO2001035529A3 Single chip cmos transmitter/receiver and method of using same |
| 10/11/2001 | US20010028282 High-frequency variable attenuator having a controllable reference voltage |
| 10/11/2001 | US20010028252 Impedance adapting circuit |
| 10/10/2001 | EP1142107A1 Active differential to single-ended converter |
| 10/10/2001 | EP1141955A1 Magnetic medium recording apparatus with a read channel comprising a programmable write-to-read transition noise suppressing circuit |
| 10/09/2001 | US6301356 Line circuit and method for a line circuit |
| 10/09/2001 | US6300814 Step attenuator having shunt circuit equipped with transmission line |
| 10/04/2001 | US20010027095 Image rejection mixer |
| 10/04/2001 | US20010026192 Differential amplifier and filter circuit using the same |
| 10/04/2001 | EP1101285A4 Single chip cmos transmitter/receiver and vco-mixer structure |
| 10/04/2001 | DE10012519A1 High pass circuit with gyrator has inductance implemented as gyrator with transistor with resistor between base and collector, series circuit capacitor and resistor between base and emitter |
| 10/03/2001 | CN1316128A Circuit arrangement providing impedance translation filtering |
| 10/02/2001 | US6298392 Concurrent programming apparatus with status detection capability |
| 10/02/2001 | US6298244 Dual-band, dual-mode power amplifier |
| 10/02/2001 | US6298004 Semiconductor device, semiconductor system, and digital delay circuit |
| 10/02/2001 | US6297709 Temperature compensated variable attenuator |
| 09/26/2001 | EP1137192A1 Radio station for transmitting signals |
| 09/26/2001 | EP1135769A1 Circuit for reduction and optimization of write-to-read settling times in magnetic medium storage devices |
| 09/26/2001 | CN1071980C Active filter circuit and portable telephone apparatus |
| 09/26/2001 | CN1071975C Power coupler for coupling power from a transmission line to a node thereon |
| 09/25/2001 | US6295508 Automatic pole-zero adjustment circuit for an ionizing radiation spectroscopy system and method |
| 09/20/2001 | WO2001069774A1 Resonator |
| 09/20/2001 | WO2001028310A8 An adaptive radio transceiver |
| 09/20/2001 | US20010022535 Resonator |
| 09/20/2001 | DE10049355A1 Filter for microphone, includes pair of transistors of which one is connected to output of microphone through capacitor and another to constant current source at current and control electrode ends |
| 09/19/2001 | EP0759228B1 Continuous time programmable analog block architecture |
| 09/18/2001 | US6292501 Apparatus for reducing amplitude modulation of laser diode output |
| 09/18/2001 | US6292032 High impedance circuit |
| 09/18/2001 | CA2021622C Predistortion equalizer with resistive combiners and dividers |
| 09/13/2001 | US20010021230 Current-controlled carrier tracking filter for improved spurious signal suppression |
| 09/13/2001 | US20010020865 Transconductor and filter circuit |
| 09/13/2001 | US20010020861 Delay circuit |
| 09/12/2001 | CN1312613A Active inducter |
| 09/11/2001 | US6288611 Apparatus and method to trim a programmable low-frequency monolithic high-pass filter |
| 09/11/2001 | US6288588 Programmable delay circuit |
| 09/11/2001 | US6288564 Line receiver circuit with line termination impedance |
| 09/07/2001 | WO2001065790A2 Power separating filter for data transmission line with complex impedance |
| 09/07/2001 | WO2001065691A2 Method and device for active impedance matching |
| 09/07/2001 | WO2001065690A1 Self-tracking filter |
| 09/07/2001 | CA2713963A1 Method and device for active impedance matching |
| 09/06/2001 | US20010019608 Method and arrangement for filtering of signals |
| 09/05/2001 | CN1070661C 调谐电路 Tuned circuit |
| 09/04/2001 | US6285865 System and method for on-chip filter tuning |
| 09/04/2001 | US6285228 Integrated circuit for generating a phase-shifted output clock signal from a clock signal |
| 09/04/2001 | CA2020258C Frequency equalizer |
| 08/30/2001 | WO2001063760A1 Apparatus and method for generating accurate quadrature over a frequency range |
| 08/29/2001 | EP1128554A2 Active inductor |
| 08/28/2001 | US6281765 Wide band electrical delay line |
| 08/28/2001 | US6281747 Power efficient line driver |
| 08/28/2001 | US6281740 Connecting arrangement for selectively presenting resistive properties using transistors |
| 08/23/2001 | WO2001061849A2 Integrated programmable continuous time filter with programmable capacitor arrays |
| 08/23/2001 | DE10103504A1 Abfrage zum Bestimmen der optimalen Impedanz Query to determine the optimum impedance |
| 08/23/2001 | DE10007476A1 Filter circuit for stereo transmitter, has active all-pass filter connected to output of low pass filter |
| 08/22/2001 | EP1126606A2 Active inductor |
| 08/22/2001 | CN1309835A Single chip CMOS transmitter/receiver and VCO-mixer structure |
| 08/21/2001 | US6278300 I/O interface circuit, semiconductor chip and semiconductor system |
| 08/16/2001 | WO2001059928A1 Balanced circuit arrangement |
| 08/16/2001 | WO2001059925A1 Low-voltage transconductance amplifier/filters |
| 08/16/2001 | US20010013807 Polyphase filter |
| 08/15/2001 | CN2443543Y Low-level wideband electronic phase sifter |
| 08/14/2001 | US6275119 Method to find a value within a range using weighted subranges |
| 08/14/2001 | US6275077 Method and apparatus for programmable adjustment of bus driver propagation times |
| 08/09/2001 | DE10003704A1 Bandpass filter circuit for mobile radio communications device - has input signal switched between inputs of at least 2 parallel bandpass filters via preceding IC device |
| 08/08/2001 | CN1307405A Stepped attenuation controlling circuit in digital current mode |
| 08/08/2001 | CN1307404A Phase-adjusting system |