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Matches 301 - 350 out of 9,346

Document Document Title
WO/2013/017696A1
In an RC calibration circuit, a single reference current is used to generate voltages across both a resistive and capacitive element. The component value of one of the resistive and capacitive element is successively altered until the vo...  
WO/2013/014881A1
A transformer (2A) outputs a difference signal of the phase θ1+90° of a positive-phase signal (Vout2Ap) and the phase θ1-90° of an inverse-phase signal (Vout2An). A transformer (2B) outputs the difference signal of the phase θ2+90°...  
WO/2013/008925A1
The present invention has a structure that passes differential inputs A1 (positive electrode input) and B1 (negative electrode input) through transconductance amplifiers (50-80), combining an internal positive electrode signal and an int...  
WO/2013/008354A1
A filter circuit comprising: a filter main body circuit wherein a first resistance terminal pair having a first variable resistance is connected to a first output terminal pair for a first transconductance amplifier; a replica circuit wh...  
WO/2013/001743A1
This semiconductor reception device (50) is provided with: a modulator (6) for converting an input signal into first and second modulation signals having a phase difference of 180º with respect to each other; and mixers (33a and 33b) fo...  
WO/2012/177328A1
Transistor devices having nanoscale material-based channels (e.g., carbon nanotube or graphene channels) and techniques for the fabrication thereof are provided. In one aspect, a transistor device is provided. The transistor device inclu...  
WO/2012/171989A2
The invention concerns a non-volatile memory element comprising: first and second transistors (106, 108) forming an inverter (104) coupled between a first storage node (112) and an output (110) of the memory element; a third transistor (...  
WO/2012/157155A1
The objective of the present invention is to maintain a reference voltage in a stable manner with respect to disturbance noises and self-noise of an internal circuit. This reference voltage stabilization circuit (10) which stabilizes a r...  
WO/2012/156887A1
An apparatus comprising: a first electrode portion configured to inject charge carriers; a second electrode portion configured to collect charge carriers and provide an output signal; a third electrode portion configured to collect charg...  
WO/2012/141008A1
Provided is a semiconductor integrated circuit, comprising a feedback amplifier circuit on the forepart thereof, said feedback amplifier circuit including a feedback which returns a portion of an output signal to an input side, wherein a...  
WO/2012/133470A1
In order to enable automatic phase adjustment between a plurality of main signals even when phase fluctuation due to the passage of time or environmental changes has occurred, a phase adjustment circuit is provided with: a plurality of p...  
WO/2012/123990A1
A terminal circuit comprises a pMOS transistor, an inductor, and a capacitor. The source of the pMOS transistor is connected to a signal terminal which either outputs, or receives as input, a transmission signal, the drain thereof is con...  
WO/2012/120710A1
The purpose of the present invention is to provide a composite negative feedback type frequency selective output circuit that is capable of obtaining an output signal with a high Q value for the resonance quality factor and an oscillatio...  
WO/2012/109703A1
A common-mode filter device and system for regulating aspects of power conversion by a power converter from external source such as solar panels to another external circuit wherein the common-mode filter device substantially attenuates c...  
WO/2012/101382A2
The invention relates to a weighting filter to be used in a device for transmitting and/or receiving an analog signal, capable of transmitting and/or receiving said analog signal in a predetermined frequency band consisting of two adjace...  
WO/2012/099774A1
This disclosure describes systems, methods, and apparatuses for impedance-matching radio frequency power transmitted from a radio frequency generator to a plasma load in a semiconductor processing chamber. Impedance-matching can be perfo...  
WO/2012/094416A1
The present disclosure discusses a power delivery system, and methods of operation, configured to monitor characteristics of a generator, a match network, and a plasma load, via one or more sensors, and control these components via a loc...  
WO/2012/083460A1
Circuits and methods related to charge domain filters. A time varying current distributor produces multiple time varying current outputs which are received by filter elements. The outputs of the filter elements are received by a selector...  
WO/2012/083464A1
An N-path filter with each path forming a different filter. A signal insertion block is provided at the start of the circuit and, in one embodiment, multiple memory capacitors are coupled to the signal insertion block. A bank of sequenti...  
WO/2012/079776A1
The present invention relates to an active band stop filter comprising a filter input and a filter output which are linked by a transmission line LT, a resonator RE coupled to the transmission line and connectable to a load impedance for...  
WO/2012/065793A1
An interface circuit (INTC) is disclosed, adapted to connect a microphone circuit (MCD) to a preamplifier (PA), the microphone circuit (MCD) comprising a microphone (3) and at least an output node (M0, M0') and the preamplifier (PA) comp...  
WO/2012/061997A1
A device with a dynamic impedance circuit (110, 214, 308, 408, 510, 608, 708, 712, 714, 808, 812, 814), a system and an operating method thereof are provided. A power circuit of the device charges and/or powers the device when the device...  
WO/2012/053133A1
In first operation mode, an input switching unit (101) supplies input voltages (Vin1, Vin2) to input nodes (Nin1, Nin2), respectively, a connection switching unit (104) connects a common node (Nc) to an intermediate node (N1), and an out...  
WO/2012/045526A1
The invention relates to an apparatus (1) for wirelessly transmitting information, having a transmitting/receiving unit (2), an antenna unit (3), an electrical signal path (SP) between the transmitting /receiving unit (2) and the antenna...  
WO/2012/030658A2
Analog interference filter devices and methods for isolation of desirable portions of a radio frequency signal. Signal compensation is used to provide desirable center frequency, passband width, ripple, rolloff, stopband and distortion p...  
WO/2012/019940A1
The invention relates to an electronic integrated amplifier (100; 200) for driving an acoustic transducer. The amplifier comprises two differential input terminals (10, 11; 20, 21) to receive an input signal (Vin) and a first (12; 22) an...  
WO/2012/015849A1
In a first aspect, an RF switch includes a main transistor and a gate-to-source shorting circuit. When the RF switch is turned off, the gate-to- source shorting circuit is turned on to short the source and gate of the main transistor tog...  
WO/2012/014019A1
Techniques are generally described herein related to filters including first operational transconductance amplifier (first OTA) and a second operational transconductance amplifier (second OTA). In some examples described herein, the firs...  
WO/2011/152896A1
Broadband analog radio-frequency devices can be used to create building blocks for scalable analog signal processors that operate over bandwidths of 50 MHz to 20 GHz or more. Example devices include integrators (transconductors), digital...  
WO/2011/144662A1
The invention relates to an active isolation filter, in particular in Π-connection with a series arm and at least one shunt arm, comprising at least one first capacitor (C1) disposed in the shunt arm and an inductive impedance element (...  
WO/2011/132348A1
Disclosed is a 0 to 90° phase shifter (13) provided with a variable voltage power source (16), a transistor (17), a 90° splitter (18), variable gain amplifiers (19) (19-1, 19-2), and a combiner (20). The 90° splitter (18) splits an in...  
WO/2011/122024A1
Provided is a filter device having a function for adjusting the center frequency of a filter. The filter device comprises: a filter core (102) equipped with an adder (109) which outputs an addition signal obtained by adding an input sign...  
WO/2011/117911A1
A frequency-variable filter has a GmC filter and a pseudo-random value generator, wherein the GmC filter has an input-side OTA for converting an input voltage of an input terminal to a current, a capacitor for generating an output voltag...  
WO/2011/118543A1
Disclosed is a waveform equalizer circuit capable of easily and accurately controlling DC gain of a linear equalizer circuit according to settings. The waveform equalizer circuit is provided with a linear equalizer circuit constituted by...  
WO/2011/102007A1
Provided is a communication system using an electronic choke circuit which exhibits a low change in impedance relative to changes in load and enables stable circuit operation by preventing negative resistance. A device is provided with a...  
WO/2011/101075A1
The invention relates to a switchable bandpass filter (3). In particular, the invention relates to a narrow-band bandpass filter (3) which can be switched over a broad frequency band and has two filter elements (22, 24) designed with mic...  
WO/2011/099439A1
Disclosed is a compound resonant circuit wherein a wide range of frequency variation can be set with a high degree of freedom, whilst maintaining a resonance sharpness (Q) value within a desired range, and whilst maintaining good lineari...  
WO/2011/099438A1
Disclosed is an antiresonant frequency-varying compound resonant circuit wherein a wide range of frequency variation can be set with a high degree of freedom whilst maintaining a resonance sharpness (Q) value within a desired range, and ...  
WO/2011/089661A1
Provided is a secondary resonator that is configured by using a single operational amplifier and that has reduced power consumption and easy-to-set transfer characteristics. The disclosed resonator includes: an operational amplifier (10)...  
WO/2011/087762A1
A system, method, and apparatus for stabilizing interactions between an electrical generator and a nonlinear load are described. One illustrative embodiment includes an impedance element that is coupled to an output of the generator and ...  
WO/2011/082482A1
A signal filter system which uses two groups of switches to couple tap current cells with integrating cells. The first group of switches couples tap current cells with at least one shared connection or bus while the other group of switch...  
WO/2011/080536A1
A variety of circuits, methods and devices are implemented for providing an adjustable resistance. According to one such implementation an adjustable resistive device includes a metal-oxide semiconductor (MOS) transistor having a gate, a...  
WO/2011/060740A1
An attenuator is provided, which includes: a first 3dB hybrid, a second 3dB hybrid and an amplifier transistor group, wherein the amplifier transistor group includes a first amplifier transistor and a second amplifier transistor. The dra...  
WO/2011/060322A1
An active analog filter (700, 1000) having a MOS capacitor device (730, 1030) with improved linearity is proposed. In an exemplary embodiment, dc bias voltage sources (755, 745) alter the capacitance of MOS varactors (740, 750) connected...  
WO/2011/051554A1
An arrangement and method for matching the antenna (340) of a radio device. A capacitive sensor (370) is arranged in the antenna structure for detecting the electric changes in the surroundings of the antenna. The mismatch caused by a ch...  
WO/2011/050213A1
Techniques for low-pass filtering with high quality factor (Q). In an exemplary embodiment, an input current is coupled to the drain of a first transistor. The drain and the gate of the first transistor are coupled together by a resistor...  
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...  
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...  
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...  
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...  

Matches 301 - 350 out of 9,346