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WO/2011/041060A2 |
Described are integrated-circuit delay lines that include regulated and unregulated delay elements connected in series. The regulated delay elements exhibit relatively long delays that are stable over process, voltage, and temperature. T...
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WO/2011/032763A2 |
The invention relates to a transducer stage for detecting a sensor signal, in particular a signal of a rotational rate sensor, comprising an amplification stage with an electronic circuit and characterised in that various weighing functi...
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WO/2011/032713A1 |
A wheel monitoring system that includes a tracking filter apparatus for tracking a signal that has a varying main frequency. The tracking filter apparatus has an adjustable filter and a filter controller arranged to measure the amplitude...
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WO/2009/133653A9 |
An integrator (10) comprises an operational amplifier (11), a first filter (12) connected to the inverting input terminal of the operational amplifier, and a second filter (13) connected between the inverting input terminal and the outpu...
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WO/2011/008561A1 |
A filter circuit enhances a deficient Q-value in a filter stage and buffers the filter stage from subsequent filter stages using a common active device. A filter circuit includes a first buffered filtering stage including a first Q-defic...
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WO/2011/004591A1 |
A current-mode filter includes first, second and third transistors (M1, M2, M3) which have the same channel polarity. The drain of the first transistor (M1) is connected to the source of the second transistor (M2) which functions as a ga...
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WO/2011/004512A1 |
A current mode filter includes first, second, and third transistors (M1, M2, M3) all of which have the same channel polarity. The drain of the first transistor (M1) is connected to the source of the second transistor (M2) which functions...
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WO/2011/005588A2 |
In an exemplary embodiment, the communication device including an analog filter, where a digital signal processor sets the gain of the analog filter and the pole location of the filter simultaneously in order to maintain the filter pole ...
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WO/2011/005565A1 |
A preselect circuit maintains the dynamic range of a received RF input signal during bandpass filtering of the received RF input signal. The preselect circuit includes a Q-deficient passive bandpass filter for coupling to an antenna to r...
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WO/2010/150037A1 |
A circuit and method for filtering a signal. An amplifie (330) r receives an input signal (310) and generates a differential output signal. A first resonator (340) having series and parallel resonant frequencies is connected to the posit...
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WO/2010/149920A2 |
The invention relates to a device comprising a binary pulse input signal converting means (3, 4), the output of which is connected to a means forming a counter (6) and to a means forming a delay line (7) that comprises a plurality of del...
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WO/2010/151409A1 |
Some embodiments provide real-time variable delays in a delay line. In some of these embodiments, the real-time variable delays may be enable without producing clock glitches. In an embodiment, delay cells in a delay line may be coupled ...
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WO/2010/142487A1 |
The invention relates to a low-noise analog filter having an adjustable filter frequency, comprising a turned circuit, the resonance frequency (fo) of which is equal to the filter frequency of the filter, which comprises a first circuit ...
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WO/2010/144011A1 |
The invention provides a distributed power amplifier arranged to operate over a bandwidth B. The distributed power amplifier has an input side with an input terminal arranged to receive an input signal and connected to an input transmiss...
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WO/2010/135710A1 |
Techniques for designing a buffer (310) capable of working with low supply- voltages, and having active output impedance matching capability to optimize power delivery to a wide range of loads. In an exemplary embodiment, cascode transis...
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WO/2010/120758A2 |
A circuit topology in accordance with a system, method and device for an active power splitter with an input and at least two outputs which allows the use of negative feedback and thus improving stability and linearity without substantia...
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WO/2010/119717A1 |
A complex resonant circuit, wherein the resonant frequency range of the resonant circuit can be set with a high degree of freedom, while maintaining the linearity of the peak frequency of the resonance characteristic curve of a resonance...
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WO/2010/096582A2 |
Power amplifying systems and modules and components therein are designed based on CRLH structures, providing high efficiency and linearity.
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WO/2010/091497A1 |
In a semiconductor device having a terminal connected to an internal portion, a termination circuit for providing on-die termination for the terminal of the device. The termination circuit comprises a plurality of transistors, including ...
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WO/2010/092816A1 |
An oscillator circuit is provided with an oscillator, a filter for filtering the monitor signal outputted from the oscillator to output the filtered signal, a drive part for amplifying the filtered signal outputted from the filter to gen...
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WO/2010/086347A2 |
System and method for calibrating a time constant RoC1 of an integrated electronic circuit (1). A variable-impedance filter (20) is coupled at the input of the integrated electronic circuit (1), an analogue input signal V1n of fixed freq...
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WO/2010/086348A2 |
Method and system for measuring a time constant RC of an integrated electronic circuit made up of a first hardware component and of a second hardware component, one of the said hardware components being a resistive element R and the othe...
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WO/2010/085112A2 |
The present invention relates to a phase matching band-pass filter using exponential function approximation, comprising an inductor including a parasitic resistor, a first device wherein a first amplifier is connected in a feedback mode,...
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WO/2010/083500A1 |
A variable attenuator (12) includes a semiconductor device (22) having a control electrode (24) for controlling carriers flowing between a first electrode (26) and a second electrode (28), such control electrode being coupled to one of t...
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WO/2010/067644A1 |
A voltage generator (400) includes: a resistance ladder formed by resistors (4000 to 4008) which divides a supplied voltage to generate a plurality of reference voltages; a resistor (4009) which is arranged between a power source voltage...
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WO/2010/062629A1 |
Example switch mode power supplies, including buck converters, with indirect, switch-node feedback for pulse width modulation and duty cycle control are described and shown. Non-idealities are corrected with several example compensation ...
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WO/2010/054904A1 |
The invention relates to microwave active filters consisting of p filtering cells CI1, CI2,..CIi-1,.. CIi,.. CIp in cascade for filtering a microwave signal passing through the filter, propagating in the direction from the first cell CI1...
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WO/2010/049040A1 |
The invention relates to circuits for ultrasonic transducers. The invention provides an ultrasonic transducer system comprising a parametric equalizer, the parametric equalizer having a first switching capacitor filter circuit and a seco...
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WO/2010/048233A1 |
An apparatus (200) includes a filter (220) and a gain control circuit (250). The filter (220) receives and filters an input signal and provides an output signal in a first mode and operates as part of an oscillator in a second mode. The ...
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WO/2010/048232A1 |
An apparatus includes first (220a) and second (220b) filters and a bandwidth control circuit (270). The first filter (220a) operates as part of a first oscillator in a first mode and filters a first input signal and provides a first outp...
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WO/2010/047631A1 |
The present invention relates to a circuit comprising at least a first transistor group (2, 3; 14, 15) and a second transistor group (4, 5; 14, 15), where the transistor groups (2, 3; 14, 15; 4, 5; 16, 17) are connected such that they ar...
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WO/2010/047471A2 |
Provided is a phase shifter having a high phase difference in a microwave band. The phase shifter includes a first phase shifting unit configured to receive an input signal having a predetermined frequency, receive a first control signal...
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WO/2010/038331A1 |
Resistance elements (11, 12) and a capacitance element (23) are respectively connected between a node (101) and the inverted input terminal, the output terminal and the ground of an operational amplifier (10). A resistance element (14) a...
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WO/2010/033120A1 |
Various embodiments of the present invention provide systems and methods for reducing low frequency loss in a magnetic storage device. For example, a data processing circuit is disclosed that includes an amplifier, two filters and a summ...
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WO/2010/032823A1 |
Provided is a magnetic coupling-type isolator which is excellent in fast responsiveness in particular. The magnetic coupling-type isolator is provided with a coil for generating an external magnetic field by means of an input signal, and...
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WO/2010/032824A1 |
Provided is a magnetic coupling-type isolator capable of preventing the short circuit between wiring patterns, and suppressing the occurrence of parasitic capacitance. The magnetic coupling-type isolator is provided with a coil (2) for g...
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WO/2010/032825A1 |
Provided is a magnetic coupling-type isolator which is excellent in fast responsiveness in particular. Magnetoresistance effect elements (R1 to R4) are TMR elements or CPP-GMR elements. A multilayer film (31) comprising the magnetoresis...
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WO/2010/030214A1 |
The present invention relates to an amplifier stage (1) in a radar system comprising an input matching stage (2), a transistor stage (3) and an output matching stage (4). At least one of the matching stages (2, 4) comprises at least two ...
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WO/2010/021280A1 |
A vector synthesis type phase shifter comprises a 90ยบ phase shifter (1) which produces an in-phase signal (VINI) and an orthogonal signal (VINQ) from an input signal (VIN), a four-quadrant multiplier (2I) which changes the amplitude of ...
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WO/2010/019607A1 |
Techniques for improving the quality factor ("Q") of a balun in the presence of loading stages are disclosed. In an exemplary embodiment, the ground node (101,2b) of a balun secondary (single-ended) element (101) is connected to a source...
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WO/2010/011264A2 |
Impedance matching techniques can be used to match an amplifier to an antenna for signal transmission. Some impedance matching techniques use an integrated passive component and an integrated transformer. Some impedance matching techniqu...
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WO/2010/010525A1 |
The present invention provides a method and apparatus for compensating the output of a transmitter stage (50) of a communications system. A communications apparatus has a transmitter stage (50) providing a variable control voltage which ...
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WO/2010/004732A1 |
Disclosed is a MOS transistor resistor that is equipped with a first MOS transistor (M1), which is used as a resistor, an input voltage source (1), which is connected, and applies an input voltage (Vin), to the source of the first MOS tr...
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WO/2009/153211A2 |
An apparatus to control a tuneable Gm-C filter, including and a filter that can be reconfigured as a free running oscillator by toggling the feedback sign of an output amplifier (304), a digital controller (42), sensitive to the output o...
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WO/2009/151406A1 |
A CMOS amplifier with integrated tunable band-pass function, a tunable active resistor structure, a method of amplifying an input signal and a method of fabricating an amplifier. The tunable active resistor structure comprises two symmet...
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WO/2009/122462A1 |
A resistance circuit in which one MOS transistor is used at least in diode connection is arranged on one of a pull up side between a transmission line and a power supply and a pull down side between the transmission line and a ground. Th...
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WO/2009/116113A1 |
Filtering apparatus (1; 1') comprising distribution means (2, 7, 6; 9, 12), with an inlet port (21; 91) and a plurality of outlet ports (23, 22, 63; 92, 122), suitable to distribute inlet signals on at least a first assembly of said outl...
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WO/2009/116100A1 |
There is described a continuous time filter of at least a second (or higher) order, comprising: one or more first-order filter stages of a first type (100), the or each first-order filter stage (100) of the first type comprising a reacti...
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WO/2009/117712A1 |
A capacitance multiplier circuit is configured to sense a current through a capacitor in an RC filter of the circuit and to multiply the current so as to achieve a capacitance multiplier effect without adding additional circuitry or requ...
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WO/2009/105696A1 |
An example filter includes a differential amplifier (230) and a resistor string (261,263,265,267) coupled between output terminals (253,254) of the differential amplifier. The resistor string may generate a common mode sense voltage and ...
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