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WO/2019/036179A1 |
A hybrid pulse-width control circuit is provided that includes a ramp voltage generator for generating a ramp voltage signal. A clock pulse generator asserts an output clock signal responsive to the ramp voltage signal equaling a referen...
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WO/2018/152719A1 |
A square wave generating method applicable in a square wave generating circuit and used for generating a square wave-like signal. The square wave generating circuit is provided with a breakdown voltage. The square wave generating method ...
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WO/2018/110871A1 |
The present invention relates to a technique of compensating a frequency error of a quadrature phase relaxation oscillator. The present invention generates a signal of a desired frequency by using a resistor and a capacitor that are less...
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WO/2017/149957A1 |
This signal output circuit (1, 21, 41, 51, 61, 71) comprises an output circuit (6, 64), a pseudo-output circuit (9, 28, 65), a capacitor (12, 34) and a slope control circuit (7, 30). The output circuit is equipped with a transistor (3, 6...
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WO/2017/149956A1 |
This signal output circuit (1, 51) comprises a slope control circuit (6), a capacitor (9), a noise detection circuit (14, 31, 41) and a malfunction prevention circuit (7). The slope control circuit charges and discharges the capacitor, t...
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WO/2017/129947A1 |
Various implementations described herein are directed to an integrated circuit. The integrated circuit may include a comparator stage (212), a resistor (Rl), a capacitor (CI), and active switches (Ml, M2) arranged to provide a clock sign...
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WO/2017/107301A1 |
The present invention discloses a comparator and a low-power oscillator, wherein the comparator comprises a current mirror module, a comparing module and a buffer output module; and the low-power oscillator comprises a capacitor, a curre...
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WO/2017/067804A1 |
The present invention concerns a device (10) for generating analogue signals comprising a current pump (12) controlled by a control code (cmd) generated by a module (11) for calculating the digital code with noise-shaping. The calculatio...
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WO/2017/058341A1 |
Methods of operating a plasma enhanced substrate processing system using multi-level pulsed RF power are provided herein. In some embodiments, a method of operating a plasma enhanced substrate processing system using multi-level pulsed R...
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WO/2016/189484A1 |
Disclosed herein is a control method of inverter insulated from the earth for current supply to a load consisting of electrodes forming electric arcs to the ground, which uses a PWM modulation, based on the coupling of a bearing wave and...
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WO/2016/185086A1 |
An apparatus and method, the apparatus comprising: a channel; at least one pair of electrodes provided within sides of the channel; a conductor configured to move through the channel such that when the conductor is positioned between the...
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WO/2016/185087A1 |
An apparatus and method wherein the apparatus comprises: a channel; at least one pair of electrodes provided within sides of the channel; an electrolyte configured to move through the channel such that when the electrolyte is positioned ...
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WO/2016/077192A1 |
A phase accumulator style circuit generates an output stream of pulses. The density of the pulse stream is proportional to the input data value relative to the maximum value supported by the bit width of an adder. The output pulse densit...
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WO/2016/061891A1 |
The present invention relates to the technological field of fingerprint identification. Disclosed are a slope wave generation circuit and digital-to-analogue conversion circuit thereof, and fingerprint identification system. The circuit ...
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WO/2016/028871A1 |
An RC oscillator includes a first capacitive element and a second capacitive element and a comparator having a first input, a second input, and an output for outputting an oscillating signal. The oscillator further includes an integrator...
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WO/2015/188966A1 |
The invention describes a drive circuit (10) for generating a sawtooth voltage (Vpp) for a voltage controller, having at least one resistor (16) and at least one capacitor (20) for generating the sawtooth voltage (Vpp) based on an input ...
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WO/2015/186234A1 |
The objectives of the invention are to amplify signals by use of a small-sized circuit and to reduce electric powers. A current control/current source unit (53) varies, on the basis of a transition time setting signal (tp), a current to ...
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WO/2015/183513A1 |
Cancelling a delay in a comparator of an RC oscillator configured to generate a clock pulse, including: selectively coupling a plurality of current sources to a first capacitor, a second capacitor, and a resistor, wherein the plurality o...
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WO/2015/160946A1 |
A digitally controlled ramp generator (100) has a constant current source (210), a first controllable switch (220) coupled between the constant current source and an output node (190), a capacitor (240) coupled with the output node, a se...
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WO/2015/089973A1 |
A ramp signal generation circuit and a signal generator, an array substrate and a display device. The ramp signal generation circuit comprises: a first shift register (11), a second shift register (12), a voltage reducing unit (13) and a...
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WO/2015/089970A1 |
A ramp signal generation circuit and a signal generator, an array substrate and a display device. The ramp signal generation circuit comprises: a voltage reducing unit (13) which is connected to a power source input end (Vref) and a grou...
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WO/2015/089972A1 |
A ramp signal generation circuit and a signal generator, an array substrate and a display device. The ramp signal generation circuit comprises: a first shift register (11), a second shift register (12) having a bidirectional scanning fun...
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WO/2015/037252A1 |
The objective of the invention is to provide an oscillation circuit that ensures oscillation frequency precision against parameter variations, such as temperature variations, even for a relatively high frequency band. The oscillation cir...
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WO/2015/017317A2 |
A bipolar junction transistor (BJT) may be used in a power stage DC-to-DC converter, such as for LED-based light bulbs. The BJT may be switched on and off from a controller coupled to two terminals of the BJT. Through the two terminals, ...
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WO/2014/184388A1 |
The system comprises: - a set of at least two electric current generators (101) - at least one capacitor (102) - activation/deactivation means (103) for activating/deactivating said electric current generators (101); the means for genera...
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WO/2014/186765A1 |
A power stage for light emitting diode (LED)-based light bulbs may include a bipolar junction transistor (BJT). The base of BJT switch may be biased externally and the operation of the BJT may be through a single pin to the emitter of th...
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WO/2014/078625A3 |
A slope compensation module provides slope compensation of a switched-mode power supply using current mode control. The slope control unit comprises a capacitor coupled between an input and an output of the slope control unit, a switch f...
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WO/2014/102053A1 |
The invention relates to a receiving arrangement (3) for a control device in a vehicle, comprising a voltage generator (30) for generating a synchronization pulse (Psync), said generator comprising a first voltage source (3.1), a current...
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WO/2014/078625A2 |
A slope compensation module provides slope compensation of a switched-mode power supply using current mode control. The slope control unit comprises a capacitor coupled between an input and an output of the slope control unit, a switch f...
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WO/2014/063959A1 |
The invention relates to a method for switching a semiconductor switch from a first static switch state to a second static switch state by controlling a control connection (SHS) of the semiconductor switch (HS1), having the following ste...
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WO/2014/063957A1 |
The invention relates to a method for actuating a controllable semiconductor switch (HS1) by switching the switch on an off in phases in a controlled manner using a control signal. The method has the following steps: a time measurement i...
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WO/2014/023806A1 |
The present invention relates to an oscillator circuit, comprising a switched capacitor circuit comprising a parallel circuit with a current input (20) to be supplied with a reference current (IREF) on one side and being connected to a r...
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WO/2013/098152A3 |
The invention relates to a triangular signal generator in which a capacitor (C1) is alternately charged and discharged by means of two current sources (SQ1, SQ2). According to the invention, the current sources (SQ1, SQ2) are formed by c...
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WO/2013/130480A1 |
An apparatus is configured to provide a voltage rising at the output with a programmable slew rate. The apparatus comprises a ramp- up control circuit module (402) for supplying an increasing output voltage (Vout) that is output to a loa...
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WO/2013/126414A1 |
Techniques to compensate for sources of temperature and process dependent errors within an oscillator system for frequency control oscillator output clock signal. The oscillator system may include a controller and an oscillator circuit. ...
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WO/2013/099121A1 |
In this CR oscillation circuit, resistance elements configuring a series circuit comprise a first resistance element with a significant temperature coefficient of resistance, and a second resistance element with a temperature coefficient...
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WO/2013/098152A2 |
The invention relates to a triangular signal generator in which a capacitor (C1) is alternately charged and discharged by means of two current sources (SQ1, SQ2). According to the invention, the current sources (SQ1, SQ2) are formed by c...
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WO/2013/094459A1 |
[Problem] To provide a DDS that achieves a more compact size and lower cost by not being provided with a ROM for storing a table or the like and by also minimizing the amount of computation. [Solution] A DDS (32) is provided with an NCO ...
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WO/2013/073585A1 |
This lamp signal generation circuit (21) is provided with a plurality of unit circuits (221 to 22N), which have a capacitor (26) in which the potential of one end (26a) is fixed and a current source (27) which is connected to the other e...
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WO/2013/065387A1 |
The driving circuit (1A) is a circuit for selectively outputting either a staircase wave or a rectangular wave from an output terminal (11) and driving a capacitive load (52), the circuit being equipped with: a high voltage power supply ...
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WO/2012/162702A3 |
Methods, circuits and systems are provides to produce a bipolar signal across a load from two or more unipolar signals. In a circuit that includes a first and a second energy source, as well as a first and a second photonic switch, a fir...
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WO/2012/162702A2 |
Methods, circuits and systems are provides to produce a bipolar signal across a load from two or more unipolar signals. In a circuit that includes a first and a second energy source, as well as a first and a second photonic switch, a fir...
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WO/2012/157801A1 |
The present invention relates to a semiconductor waveform generator, comprising: a reference signal generation unit for generating a reference voltage (VREF), and generating an upper threshold value (VFB) and a lower threshold value (VTH...
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WO/2012/133593A1 |
Provided is a pulse generation device which generates a pulse signal with a suitable waveform and achieves high isolation when not outputting a pulse signal. The pulse generation device (100), by means of an amplifier (102), amplifies a ...
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WO/2012/101683A1 |
Provided is a sawtooth wave generation circuit that uses one output capacitor, has a stable amplitude and wherein the gradient during a sudden change in voltage can easily generate a steep sawtooth wave. The sawtooth wave generation circ...
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WO/2012/042089A1 |
The invention relates to a switched power supply (1) intended to function in interlace mode, that includes CC-CC converters (Ci) in parallel, each one provided with a controlled switch (Ii), in which the switched state of each converter ...
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WO/2012/036066A1 |
Provided are a self-oscillating circuit capable of further improving sound quality in a class D amplifier comprising a self-oscillating circuit compared to a conventional circuit, and the like. A self-oscillating circuit (SB) connected b...
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WO/2012/029595A1 |
The oscillator circuit includes a comparator circuit which compares a potential supplied to one of input terminals with a potential supplied to the other of the input terminals and outputs a high power supply potential or a low power sup...
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WO/2011/158576A1 |
Disclosed is an oscillation circuit comprising a capacitor, a charge and discharge unit for switching between charging and discharging of the capacitor according to a control signal, a comparator for comparing the voltage of the capacito...
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WO/2011/151642A1 |
A driver circuit (1) for driving a capacitive load (2) with a drive pulse having a rise time, a predetermined voltage period and a fall time. The driver circuit (1 ) includes an inductance (6), switches (10, 11, 12), and a transformer (8...
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