| Patents for H03H 11 - Networks using active elements (9,098) |
|---|
| 04/05/2001 | WO2001024353A1 Filter having minimized cut-off frequency variations |
| 04/05/2001 | WO2001024352A1 Direct conversion receivers and filters adapted for use therein |
| 04/05/2001 | WO2001024178A1 Magnetic medium recording apparatus with a read channel comprising a programmable write-to-read transition noise suppressing circuit |
| 04/05/2001 | WO2001024168A1 Circuit for reduction and optimization of write-to-read settling times in magnetic medium storage devices |
| 04/04/2001 | CN1290427A 无线电接收机 Radio receiver |
| 04/03/2001 | US6212540 Filter circuit |
| 04/03/2001 | US6211753 Active tunable inductor |
| 04/03/2001 | US6211731 Impedance altering apparatus |
| 04/03/2001 | US6211717 Multiple differential pair transistor architecture having transconductance proportional to bias current for any transistor technology |
| 03/29/2001 | WO2001022581A1 Wide range, variable phase shift circuit |
| 03/29/2001 | WO2001022344A1 Double differential comparator and programmable analog block architecture using same |
| 03/28/2001 | EP1086575A1 A method for separating narrowband and broadband services on a transmission link and a splitter element |
| 03/28/2001 | EP0925534B1 Compensation network for pinch off sensitive circuits |
| 03/28/2001 | CN1289479A Apparatus and methods for tuning bandpass filters |
| 03/28/2001 | CN1063895C Connecting arrangement |
| 03/20/2001 | US6205218 Extended feedback circuit for impedance matching and voltage isolation |
| 03/20/2001 | US6204733 Multiple-phase-interpolation LC voltage-controlled oscillator |
| 03/20/2001 | CA2021617C Feedforward predistortion linearizer |
| 03/13/2001 | US6201438 Area-efficient reconstruction filters, particularly for D/A current-driven converters |
| 03/13/2001 | US6201423 Semiconductor device, semiconductor system, and digital delay circuit |
| 03/08/2001 | WO2001016620A1 Automatic pole-zero adjustment circuit for an ionizing radiation spectroscopy system and method |
| 03/07/2001 | EP1081873A1 Asymmetric transformer for a telephone line |
| 03/07/2001 | EP1080512A1 Microwave channelized bandpass filter having two channels |
| 03/07/2001 | CN1286529A Off-line discharge protector |
| 03/06/2001 | US6198345 Error reduction in quadrature polyphase filters with low open loop gain operational amplifiers |
| 03/06/2001 | US6198325 Differencing non-overlapped dual-output amplifier circuit |
| 03/06/2001 | US6198089 Steerable and scalable spatial filters |
| 03/01/2001 | WO2001015319A1 Improvements in and relating to feedback circuits |
| 02/27/2001 | US6194972 Gyrator with loop amplifiers connected to inductive elements |
| 02/27/2001 | US6194959 Active filter circuit |
| 02/27/2001 | US6194958 Filter having minimized cut-off frequency variations |
| 02/27/2001 | US6194947 VCO-mixer structure |
| 02/27/2001 | US6194937 Synchronous delay circuit system |
| 02/20/2001 | US6191637 Switched capacitor bias circuit for generating a reference signal proportional to absolute temperature, capacitance and clock frequency |
| 02/15/2001 | WO2001011773A1 Electronic circuit for imitating a capacitor with variable capacitance |
| 02/15/2001 | WO2000028664A8 Fully integrated tuner architecture |
| 02/14/2001 | EP0864208B1 Transistor ratio controlled cmos transmission line equalizer |
| 02/13/2001 | US6188877 Dual-band, dual-mode power amplifier with reduced power loss |
| 02/13/2001 | US6188272 Filter circuit |
| 02/08/2001 | WO2001010029A1 Phase shifting arrangement |
| 02/08/2001 | WO2001010023A1 Improvements relating to mains rfi filtration |
| 02/08/2001 | WO2001010021A1 Analog filter |
| 02/08/2001 | WO2001010012A1 Dc offset calibration for a digital switching amplifier |
| 02/08/2001 | CA2380772A1 Dc offset calibration for a digital switching amplifier |
| 02/07/2001 | EP1020027A4 Cmos differential voltage controlled logarithmic attenuator and method |
| 02/06/2001 | US6184748 Magnitude and group delay shaping circuit in continuous-time read channel filters |
| 02/06/2001 | US6184747 Differential filter with gyrator |
| 02/06/2001 | CA2184805C Clm/ecl clock phase shifter with cmos digital control |
| 02/01/2001 | WO2001008388A1 Reduced power line driver |
| 02/01/2001 | WO2001008305A1 Filter arrangement and method for frequency filtering and impedance conversion |
| 02/01/2001 | WO2001008300A1 Method of and arrangement for converting voltage to current |
| 01/31/2001 | EP1073199A2 Television tuner that generates no interfering signal |
| 01/31/2001 | CN2417635Y Multiple frequency programmed gallium arsenide, micro-wave, single chip, digital type analog phase transferrer |
| 01/30/2001 | US6181922 Attenuator unit, step attenuator, and electronic apparatus |
| 01/30/2001 | US6181197 Bandpass filter with transconductors |
| 01/30/2001 | US6181181 Phase shifter for a quadrature modulator and an image suppression mixer |
| 01/30/2001 | US6181157 Resistor mirror |
| 01/30/2001 | CA2072436C Capacitive circuit |
| 01/30/2001 | CA2067581C Equivalent inductance circuit |
| 01/26/2001 | CA2278909A1 Reduced power line driver |
| 01/25/2001 | WO2001006648A1 Integrated circuit |
| 01/24/2001 | EP0705497B1 Low noise oscillators and tracking filters |
| 01/23/2001 | US6177837 Active low-pass filter |
| 01/23/2001 | US6177823 Pincer movement delay circuit for producing output signal different in repetition period from input signal |
| 01/23/2001 | US6177822 Variable phase shifting circuit manufactured in simple integrated circuit |
| 01/18/2001 | WO2001005042A1 A two-port with a frequency-dependent network |
| 01/17/2001 | EP1068675A1 A method and an arrangement in an analog line interface circuit |
| 01/17/2001 | CN1280419A Output clock integrated circuit with phase displacement produced by clock signal |
| 01/16/2001 | US6175260 Time delay apparatus using transfer conductance |
| 01/10/2001 | EP1067687A2 Complex/resistive/ADSL/POTS line splitter |
| 01/09/2001 | US6172569 Transconductance filter control system |
| 01/09/2001 | US6172545 Delay circuit on a semiconductor device |
| 01/09/2001 | US6172543 90° phase shift circuit |
| 01/04/2001 | WO2000062419A3 Mos variable gain amplifier |
| 01/02/2001 | US6169447 Stabilization of passband active filters |
| 01/02/2001 | US6169446 Time constant calibration device |
| 01/02/2001 | US6169436 Variable delay circuit |
| 01/02/2001 | CA2186100C Connecting arrangement |
| 12/28/2000 | WO2000079695A1 An arrangement in an electronics system |
| 12/27/2000 | EP1063769A2 Transconductance amplifier with wideband noise filtering |
| 12/26/2000 | US6167284 Device for converting a symmetrical signal into an asymmetrical signal |
| 12/26/2000 | US6166599 Impedance matching networks for non-linear circuits |
| 12/21/2000 | DE10000089A1 Filter circuit feeds bias voltage to operational transconductance amplifier input and connects selected capacitor to operational transconductance amplifier output to set corner frequency |
| 12/20/2000 | EP1061647A2 Ladder filter, analog equalizer and signal readout system |
| 12/20/2000 | CN1277773A Linearized integrated frequency demodulator |
| 12/20/2000 | CN1277490A Delay circuit, clock generating circuit and phase synchronized circuit |
| 12/19/2000 | US6163287 Hybrid low-pass sigma-delta modulator |
| 12/19/2000 | US6163207 Integrator-filter circuit |
| 12/07/2000 | WO2000074233A1 System and method for linearizing a cmos differential pair |
| 12/06/2000 | CN1275834A Wave filter circuit |
| 12/06/2000 | CN1059298C Audio amplifier |
| 12/05/2000 | US6157248 Active filter circuit |
| 12/05/2000 | US6157235 Quadrature signal generator and method therefor |
| 12/05/2000 | US6157206 On-chip termination |
| 11/30/2000 | WO2000072446A1 Integrated vco |
| 11/29/2000 | EP1056195A2 A multiple differential pair transistor architecture having transconductance proportional to bias current for any transitor technology |
| 11/28/2000 | US6154017 Temperature/voltage compensation circuit |
| 11/28/2000 | CA2209666C Apparatus for stabilizing cut-off frequency using a transconductance |
| 11/23/2000 | WO2000070857A1 Electronic inductor with transmit signal telephone line driver |
| 11/23/2000 | WO2000070760A1 Differential filter with gyrator |