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JP6227890B2 |
Disclosed is a signal processing circuit including an analog-to-digital converter, an arithmetic processing unit electrically connected to the analog-to-digital converter, and a first register electrically connected to the arithmetic pro...
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JP6217737B2 |
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JP6219087B2 |
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JP6217736B2 |
The pulse width modulator includes a subtraction unit configured to perform subtraction between an m value digital signal and a pulse width modulation signal; a feedforward filter unit configured such that a ΔΣ modulator to which an ou...
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JP6203710B2 |
A high voltage waveform is generated that is similar to a low voltage input waveform. The high voltage waveform is a series of pulses that are applied directly to the device. An error signal controls the frequency, magnitude, and duratio...
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JP2017163517A |
To provide a PWM formation circuit capable being used in a low voltage and low power consumption in a hearing aid or the like.Two pairs of transistors 5 in which an emitter is earthed, and a collector is connected to a first power source...
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JP6186726B2 |
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JP6164541B2 |
The invention relates to a self-oscillating pulse-width modulation amplifier in the form of a sine-cosine modulator (10) comprising at least two comparators (13, 14), two integrators (11, 12), a power switching stage (15), and negative f...
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JP6157716B2 |
A power encoder includes an amplitude-phase splitter for splitting an input signal into an envelope signal and a phase modulated signal, and a pre-distortion unit for distorting the envelope signal using a look-up table (LUT) to produce ...
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JP6148610B2 |
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JP6144021B2 |
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JP2017085424A |
To provide a signal generation circuit capable of making a minimum increment of a value to be set to a generation part for periodically generating a first signal having an ON time corresponding to the set value and a second signal of whi...
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JP2017079364A |
To provide a PWM signal generation circuit which is small in size and low in cost, and which enables the achievement of a high time resolution.A PWM signal generation circuit comprises: a TDC 3 which measures a period of a reference cloc...
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JP6117383B2 |
Exemplary embodiments are related to generating an error correction voltage and/or a compensation voltage based upon pulse-width modulation information. A device may include a pulse-width modulator configured to receive a first input vol...
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JP6118827B2 |
A pulse width modulator has a first clock source providing a clock signal to a set input of an output controller configured to set a pulse width output signal and having a reset input to reset the pulse width output signal. A duty cycle ...
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JP6102715B2 |
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JP6104452B2 |
A transmitter includes a first digital up-converter for converting data to an intermediate frequency (IF) signal, a pulse width modulator (PWM) for encoding the IF signal to an IF pulse train, a second digital up-converter for converting...
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JP6104501B2 |
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JP6098517B2 |
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JP6094130B2 |
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JP6090106B2 |
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JP2017034835A |
To provide a PWM signal output device enabling the correct evaluation of a PWM signal on the reception side, if a distortion occurs in a carrier wave used for actual PWM control.A duty converter unit 4 generates Ach and Bch PWM signals o...
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JP2017034834A |
To provide a PWM signal processing device capable of outputting by synthesizing a plurality of PWM signals into one without extending an update period of the plurality of PWM signals.A unique Duty addition unit 5, when a Duty converter 4...
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JP2017502273A |
A signal transmission system for technical equipment having a radiation-exposed area, particularly a nuclear power plant (2) having a containment (6), from a sensor (8) attached inside the radiation-exposed area. A modulator (26) for con...
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JP6053830B2 |
A predetermined waveform is generated using a lower frequency clock signal (16) and a higher frequency clock signal (18). The waveform transitions between first and second states (12, 14) in synchrony with timing signals (18-1 to 18-11) ...
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JP6029747B2 |
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JP6027046B2 |
Each of nodes in a communication system includes a pull-up circuit connected between a power source and a transmission line and a switching portion connecting and disconnecting the transmission line and a ground line. One of the nodes is...
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JP6007944B2 |
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JP5978988B2 |
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JP5941244B2 |
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JP5935135B2 |
A relaxation oscillator for generating oscillator signal includes a ramp voltage generating circuit, a reference voltage generating circuit, a reference voltage switching circuit, and a digital logic circuit. The reference voltage genera...
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JP2016100850A |
To provide a peak cut circuit capable of achieving an output waveform that is peak-cut at a reference voltage even when a load is drastically changed.A peak cut circuit comprises: a first operational amplifier circuit that receives an AC...
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JP5927060B2 |
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JP2016092675A |
To provide a PWM modulation device enhancing the resolution of a PWM modulator, and to provide an audio signal output device to which the PWM modulation device is applied.A PWM modulation device 180 includes a PWM modulator 18 inputting ...
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JP2016086385A |
To provide a PWM signal output circuit capable of outputting a PWM signal at a high accuracy carrier frequency, without complicating the circuit, or increasing cost.A PWM signal output circuit includes: a circuit part including an intern...
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JP5915694B2 |
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JP2016066861A |
To provide a PWM signal output device that is enhanced in responsibility by properly clamping a PWM instruction signal at all times.In a configuration of a PWM signal output device in which a comparator generates and outputs a PWM signal...
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JP5906822B2 |
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JP5901926B2 |
A PWM output apparatus includes a calculating circuit configured to calculate an output width of a PWM output signal of a first signal and a second signal, which have phases different from each other, based on a command value of a PWM ou...
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JP5892116B2 |
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JP5883705B2 |
There is provided a signal generator outputting an analog frequency signal based on a digital value according to a set frequency, which provides excellent noise characteristics, requires no ROM table corresponding to waveform data, and h...
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JP5862538B2 |
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JP5833047B2 |
An embodiment of pulse width modulated (PWM) signal generator includes a module or modules to calculate an amount of change in a period length and duty ratio of an output signal during a transition period between a first signal waveform ...
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JP2015220537A |
To provide a PWM control device, a power supply device and a luminaire that can suppress output of a PWM signal having an unexpected duty ratio when the duty ratio of the PWM signal is varied.A PWM control device 10 has a detection circu...
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JP2015186035A |
To provide a signal generation device capable of reducing electric noise by performing frequency modulation without using SSCG, and a frequency modulation method.The signal generation device generates a signal that repeats an ON waveform...
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JP5798436B2 |
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JP5795503B2 |
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JP5736678B2 |
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JP5737764B2 |
A pulse width modulation (PWM) frequency converter converts an input PWM signal to an output PWM signal having a different frequency while maintaining a substantially equal duty ratio. The PWM frequency converter samples the input PWM si...
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JP2015104094A |
To prevent disorder at a point of time when a clock of relatively low frequency for multiplication has rise/fall change by generating pulses for counter which has a finer width by using the clock for multiplication.A pulse generation dev...
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