| Document |
Document Title |
|
WO/2006/000984A1 |
The Sallen-Key low-pass filter circuit comprises a first resistor (16) and a second resistor (18) connected in series, the first resistor (16) being connected between the second resistor and an input of the circuit. The second resistor (...
|
|
WO/2005/124992A1 |
A negative capacitance circuit having impedance frequency characteristic which is inverse with respect to the normal capacitance is connected to a variable capacitance element changing capacitance according to a control voltage as a tuni...
|
|
WO/2005/125004A1 |
A variable capacitance element, which varies, as a tuning circuit for controlling the oscillation frequency, in capacitance in accordance with a control voltage, is connected to a negative capacitance circuit whose impedance/frequency ch...
|
|
WO/2005/125008A1 |
[PROBLEMS] An FBAR filter having an additional balance-unbalance conversion function. [MEANS FOR SOLVING PROBLEM] The FBAR filter comprises an FBAR filter element (108) having two unbalance terminals (101 and 104) for filtering a signal ...
|
|
WO/2005/119909A1 |
Delays are produced in differential signals using a variable capacitance provided by MOS varactors coupled between the differential signals. The capacitance values of the MOS varactors is controlled by a bias voltage applied to the bodie...
|
|
WO/2005/119908A1 |
A high pass filter comprising a combination of capacitors C1, C2 and insulated gate field effect transistors (IGFETs), M1, M2 used as effective resistors provides a low break frequency, while providing improved linearity and a stable bre...
|
|
WO/2005/114837A2 |
A switched-capacitor ripple-smoothing filter (400) includes a first pair of capacitors (Co, Ce). The filter (400) is configured such that either capacitor in the first pair may be reset and have a terminal coupled to a first input port (...
|
|
WO/2005/114774A2 |
An electronic microwave circuit (1) with GaAs field effect transistors (15) integrated on a semiconductor substrate (5) for switching electric input high-frequency signals (16) has at least one light source (2) for illuminating the GaAs ...
|
|
WO/2005/104364A1 |
A group delay adjustment circuit, a group delay adjustment system, and a group delay adjustment method capable of inclining the group delay difference without deteriorating the frequency band of an amplifying section and controlling the ...
|
|
WO/2005/101658A1 |
An analogue non-linear dynamic filter having a substantially semisoidal input-output transfer characteristic with a trough at a first constant level and a peak at a second constant level, and a continuously variable transfer function bet...
|
|
WO/2005/088833A1 |
A high-frequency circuit for demultiplexing high-frequency signals of communication methods of different frequencies. The high-frequency circuit comprises a lowpass filter circuit provided between first and second ports and/or a highpass...
|
|
WO/2005/083716A1 |
A DLL circuit has a dummy delay (dummy delay circuit 200) corresponding to an internal clock delay relative to an external clock; a variable delay adding circuit including coarse (400) and fine (500) delay circuits for adjusting the dela...
|
|
WO/2005/083883A1 |
A waveform equalizer includes: an operation circuit (7a) capable of freely setting a boost amount for adjusting the gain for a predetermined frequency band of an input signal and performing gain adjustment of the input signal by changing...
|
|
WO/2005/081402A1 |
A tunable filter circuit includes a first differential pair biased by a first current, a second differential pair biased by a second current, a first capacitor and a second capacitor. The tunable filter circuit of the present invention c...
|
|
WO/2005/078734A1 |
A DLL circuit has a phase comparing circuit that compares the phase of a reference clock and that of a delayed clock; and a variable delay adding circuit that adjusts, based on a signal from the phase comparing circuit, the delay amount....
|
|
WO/2005/078735A1 |
A semiconductor memory uses a DLL circuit having a phase comparing circuit that compares the phase of an interval clock with that of a delayed clock; and a variable delay adding circuit that adjusts, based on a signal from the phase comp...
|
|
WO/2005/072298A2 |
A configurable circuit consistent with certain embodiments has a variable length delay line (10), the delay line (10) having an input (24) and having N delay elements (12, 14, 16, 18,…, 20) to provide a plurality of N delayed outputs (...
|
|
WO/2005/067142A1 |
A ruggedized analog front-end for interconnecting a network communicative device to a two-conductor based network operable in a train-like or other harsh environment. The front-end has a coupling circuit having first and second coupling ...
|
|
WO/2005/064911A1 |
The arrangement includes a transformer (T) having a primary winding (L1) and a secondary winding (L2), the transformer exhibiting an impedance (Zsh) across the primary winding (2), and an impedance synthesis circuit (K, H(s),g). The impe...
|
|
WO/2005/064791A1 |
There is provided a variable attenuator controllable effectively and continuously and having small manufacturing irregularities. The variable attenuator includes: a first signal input terminal; a first signal output terminal; a first con...
|
|
WO/2005/060655A2 |
An equalizer for serial data communications can be configured to compensate for the effects of deterministic jitter. The equalizer can be configured to compensate a received serial data stream for the effects of data-dependent jitter as ...
|
|
WO/2005/062061A1 |
The present invention relates to an integrator circuit capable of integrating a current electrical signal (I), which comprises an operational amplifier (7) having an inverting input terminal (-), a noninverting terminal (+) and an outp...
|
|
WO/2005/060095A1 |
Pairs of second-order filters with feedback and cross coupling may be used to implement pairs of complex poles. The cross coupling may be frequency-dependent cross coupling or frequency-independent cross coupling. Frequency independent c...
|
|
WO/2005/060114A1 |
Capacitors (C) are inserted between stages of amplifier circuits. A combination of those capacitors (C) and the input impedance (&Verbar Z&Verbar ) of the amplifier circuit in the subsequent stage forms a high-pass filter, so that the fr...
|
|
WO/2005/060043A2 |
According to embodiments of the present invention, a silicon-based reflective-type phase shifter fabricated using complementary metal-oxidesemiconductor (CMOS) technology includes 3dB directional coupler and variable impedance reflecti...
|
|
WO/2005/060115A1 |
A time signal receiver and decoder receives, detects and stores time information from time signals, e.g., WWV, WWVH, WWVB (USA), JJY (Japan), MSF (UK) and the like. The time information may be used for a self setting clock, and the clock...
|
|
WO/2005/060096A1 |
The invention relates to an electronic high-frequency switch, comprising a field-effect transistor as switching element, whereby the size of the gate voltage may be switched between at least two values (- 5.5V or -8V), according to the d...
|
|
WO/2005/057783A1 |
Disclosed is an electronic decoupling inductor for applications in actuator sensor interface networks. Said electronic decoupling inductor represents a subassembly that is independent from the actuator sensor interface IC (AS-I IC), is d...
|
|
WO/2005/055419A1 |
A gain-available voltage/current converting circuit has an input part active element, which has an input side terminal, an output side terminal and a ground side terminal, for performing a voltage/current conversion; a potential control ...
|
|
WO/2005/050853A1 |
A low-noise filter for a wireless receiver is disclosed. The low-noise filter comprises an amplifier and a filter comprising a frequency dependent negative resistance implemented using a general impedance converter to realize a bi-quad f...
|
|
WO/2005/046054A1 |
A semiconductor device comprising a first analog circuit (53) adapted to a first performance, and a second analog circuit (55) cooperating with the first analog circuit to realize a second performance higher than the first performance, w...
|
|
WO/2005/040836A2 |
A system (fig. 8) is provided for controlling the delay in an isolation buffer. Multiple such isolation buffers (501 and 502) are used to connect a single signal channel (42) to multiple lines and controlled to provide an equal delay. Is...
|
|
WO/2005/039047A1 |
A vernier time shifting circuit 100 is used for fine-tuning capture of a clock signal and/or a data signal to compensate for fluctuations produced by the system or other variations within non-time invariant parts of the chip. other varia...
|
|
WO/2005/035436A2 |
A method of increasing a quality factor for a micromechanical resonator uses a laser beam to anneal the micromechanical resonator. In one embodiment, the micromechanical oscillator is formed by fabricating a mushroom shaped silicon oscil...
|
|
WO/2005/036732A1 |
Briefly, an apparatus having a first capacitor- inductor-capacitor impedance converter operably coupled to a second capacitor- inductor-capacitor impedance converter. The first and second capacitor-inductor-capacitor impedance converter ...
|
|
WO/2005/036747A2 |
A programmable pulse generator (100) having a clock signal delay chain (10), multiplexer (20), and reduced voltage charge circuit (60). The clock delay chain (10) comprises a plurality of propagated delays, coupled to the multiplexer (20...
|
|
WO/2005/031972A1 |
An active filter using a current mode circuit and a series resonance. Current mirror means (320) extracts a signal current of a frequency component other than the resonance frequency of series resonance means (310). The extracted signal ...
|
|
WO/2005/027156A2 |
A digital subscriber line (DSL) modem (12, 14) comprising a line interface transformer (22) having a primary circuit for coupling to a transmission line and a secondary circuit for outputting a signal transmitted over said transmission l...
|
|
WO/2005/025061A1 |
Fully programmable high precision filter and master-slave calibration system using one or more of such filters in both master and slave, which filter is provided with a filter input and a filter output including a first, first order low ...
|
|
WO/2005/025063A1 |
Programmable high precision quadrature splitter comprising a fully programmable high precision filter having a filter input and a filter output including a first, first order low pass filter section comprising first and second mutually i...
|
|
WO/2005/025060A1 |
Fully programmable high precision filter having a filter input and a filter output including a first, first order low pass filter section comprising first and second mutually identical operational transconductance amplifiers (OTAs), each...
|
|
WO/2005/025062A1 |
Control system for programmable filters, master-slave calibration system and fully programmable high precision filter for use in such control system, such filters being provided with a filter input and a filter output including a first, ...
|
|
WO/2005/022743A2 |
An XDSL system comprising a hybrid circuit in operative communication with a transmission line and an XDSL modem associated with a subscriber premises. The hybrid circuit comprises a plurality of selectable impedance circuits having diff...
|
|
WO/2005/022740A2 |
An RF power amplifier module can be used without a matching device between the power amplifier module and an antenna. The power amplifier module is constructed and operated to detect, protect and maintain the performance of the power amp...
|
|
WO/2005/022744A1 |
A composite filter (200) includes at least two cascading filters (202, 204) designed to minimize a passband ripple in the composite filter (200). The at least two cascading filters (202, 204) may also be designed to maximize stopband rej...
|
|
WO/2005/020482A2 |
A source signal is converted into a time-variant temperature field with transduction into mechanical motion. In one embodiment, the conversion of a source signal into the time-variant temperature field is provided by utilizing a micro-fa...
|
|
WO/2005/020434A2 |
A micromechanical resonator (400, 1125) is formed on a substrate (120). The resonator has a partial spherical shell (110) clamped on an outside portion of the shell to the substrate. In other embodiments, a flat disc or other shape may b...
|
|
WO/2005/018182A1 |
The invention relates to a method and a device, which provide a particularly cost-effective, space-saving solution for supplying power to a consumer (current sink RL) via two data line pairs of a local network (LAN). The invention is cha...
|
|
WO/2005/013482A2 |
A method for tuning a transconductor includes receiving a digital value. The method also includes determining a bit value for a selected bit of the digital value, and selecting a tuning range for a transconductor based on the bit value. ...
|
|
WO/2005/013483A2 |
A method for storing a result of a tuning process includes generating a first characteristic signal using a signal generator. The method also includes generating a second characteristic signal using a master circuit, wherein the master c...
|
