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JP6126539B2 |
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JP2017511639A |
The digitally controlled lamp generator is a constant current source, a first controllable switch coupled between the constant current source and the output node, a capacitor coupled with the output node, and a coupling with the output n...
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JP6110757B2 |
To compensate distortion of a signal due to dielectric absorption of a capacitor.A signal generator includes: an operation circuit which includes an operation capacitor and outputs an operation signal; and an RC series circuit whose time...
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JP6110756B2 |
To compensate distortion of a signal corresponding to frequency characteristics of a circuit connected to a latter part of an integration circuit.There is provided a signal generator which generates a signal corresponding to an input sig...
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JP6087670B2 |
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JP2017017719A |
To achieve low power consumption of a circuit device using a sensor.A circuit device includes an amplifier circuit receiving a signal from a sensor, and a control circuit for controlling the sensor and the amplifier circuit. An intermitt...
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JP6029747B2 |
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JP6019603B2 |
To achieve low power consumption of a circuit device using a sensor.A circuit device includes an amplifier circuit receiving a signal from a sensor, and a control circuit for controlling the sensor and the amplifier circuit. An intermitt...
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JP5986645B2 |
A reception system for a control unit in a vehicle having a voltage generator for generating a synchronization pulse which generates the synchronization pulse within predefined specification limits and having a predefined shape and a pre...
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JP5980958B2 |
A receiver configuration for a control unit in a vehicle having a voltage generator for generating a synchronization pulse, which includes a first voltage source, a current source and a current sink, the voltage generator generating the ...
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JP5974627B2 |
To provide an oscillation circuit and an electronic apparatus that reduce temperature dependence of an oscillation frequency.The oscillation circuit comprises: a reference voltage output section 10 for outputting a first reference voltag...
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JP5963632B2 |
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JP2016131344A |
To reduce power consumption of a filter circuit.The synchronous analog filter circuit obtains an output approximated to a desired waveform by weighting a voltage of each of data pulses delayed with N units of analog delay circuits 11A to...
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JP2016119700A |
To provide a DCDC converter which achieves optimal power efficiency independent from power consumption of a load circuit; and provide a control circuit having a large variable width of a sampling frequency.A control circuit includes a tr...
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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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JP2016100748A |
To provide an oscillation circuit capable of reducing sharp changes in oscillation signal.The oscillation circuit has a discrimination part (16; 116; 216) that determines which of a first timer and a second timer (27, 28;127, 128;227, 22...
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JP5920170B2 |
To provide an oscillation circuit using a comparison circuit which implements a simpler configuration capable of suppressing a variation in oscillation frequency due to a variation in delay time in the comparison circuit.An oscillation c...
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JP5883603B2 |
A current generator circuit included in a triangle-wave generator circuit in a control circuit includes plural stages of current mirrors connected in parallel with each other. The plural stages of current mirrors are placed so that the s...
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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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JP5877074B2 |
A comparator compares a first input voltage and a second input voltage to generate a comparative output depending on a result of the comparison. The comparator includes a first input terminal configured to receive the first input voltage...
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JP5867180B2 |
To implement an oscillation at a stable frequency with a minor temperature characteristic on an oscillation frequency ceiling value.A voltage-controlled oscillator having an input terminal for inputting an external voltage signal, a volt...
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JP5820241B2 |
A driving circuit 1A is a circuit selectively outputting one of a staircase wave and a square wave from an output terminal 11, to drive a capacitive load 52, and includes a high-voltage power source 41 supplying a constant voltage VH, an...
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JP5814542B2 |
According to one embodiment, an oscillator circuit includes a first comparator circuit, a second comparator circuit, a first voltage control circuit, a second voltage control circuit, a clock generation circuit. The first comparator circ...
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JP5803765B2 |
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JP5798436B2 |
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JP5788146B2 |
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JP5773524B2 |
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JP2015106809A |
To solve the problem wherein a change in the frequency of a clock due to a delay in a comparator caused by a change in the voltage of a power supply cannot be suppressed.An oscillation circuit includes: a first capacitive element and a s...
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JP5702624B2 |
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JP2015070464A |
To provide an oscillator circuit with a stable output frequency by reducing the influence of flicker noise of a transistor.An oscillator circuit 1 includes: a plurality of transistors 11, 12, 13, and 14 provided as a current source 10; c...
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JP5684251B2 |
An oscillator includes a resonator, a first and a second p-type transistor, and a first and a second n-type transistor. The resonator has a first terminal and a second terminal. The first p-type transistor is switchably connected to the ...
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JP5679681B2 |
A first capacitor is arranged such that the electric potential at a first terminal is fixed. A first discharging circuit discharges the first capacitor at a timing that corresponds to a cyclic synchronization signal received from an exte...
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JP5674401B2 |
A high-accuracy clock signal is generated even when the settings of the clock frequency are changed or there is a variation in power supply, temperature, or the like. A frequency-voltage conversion circuit includes a switch portion inclu...
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JP2014207569A |
To provide a method for suppressing a fluctuation in the amplitude of a ramp waveform of an output voltage VOUT due to variations in a capacitance C1 of a capacitor, a constant current Io and a ramp wave generation period T when a ramp w...
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JP5606400B2 |
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JP5581507B2 |
A technique and corresponding circuitry are presented for a process independent, self-calibrating relaxation based clock source. The technique and circuitry presented here can reduce the time and cost needed for calibration significantly...
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JP5575073B2 |
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JP5551294B2 |
A triangular waveform generator includes a square waveform clock circuit and an integrating circuit. The integration circuit receives input from the square waveform clock circuit and generates a triangular waveform output. A feedback cir...
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JP5531185B2 |
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JP5516155B2 |
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JP5521371B2 |
To provide an oscillation circuit which does not affect generation accuracy of an on-period Ton even when a switching frequency is changed, and a switching power supply using the same. The oscillation circuit generates a trapezoidal wave...
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JP2014099835A |
To provide a triangular wave generating device.A triangular wave generating device includes a capacitor connecting the output end and the ground, a charge/discharge unit having a plurality of current sources and charging or discharging t...
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JP5499431B2 |
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JP2014075744A |
To provide an oscillation circuit that precisely outputs an oscillation signal of a desired frequency.According to an embodiment, an oscillation circuit 1 is an oscillation circuit including a pulse generation section 10, and the pulse g...
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JP5464806B2 |
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JP5456736B2 |
A control circuit controls first and second clock generator subcircuits so that one subcircuit of the first and second clock generator subcircuits operates for a comparison voltage generating interval, then another subcircuit operates fo...
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JP5450470B2 |
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JP5454913B2 |
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JP5451541B2 |
An oscillation circuit including a reference voltage generation circuit that adds a proportional-to-absolute-temperature (PTAT) output, which increases in proportion to an absolute temperature, to a complementary-to-absolute-temperature ...
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JP2014049870A |
To provide a multivibrator that saves power consumption of comparators.The multivibrator which has a pair of comparators COMP11, COMP12 for comparing ramp waves with a reference signal VREF and outputting constant period pulses Out11, Ou...
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