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Matches 401 - 450 out of 4,462

Document Document Title
JP2012015946A
To provide a load drive device capable of reducing a switching loss, and suppressing a noise in accordance with drive states of a plurality of loads.A plurality of load driving means 3A to 3D for switching and driving loads by semiconduc...  
JPWO2010016167A
An oscillating circuit (11) answers changes of the signal level of a reference clock (CKa, CKb), and makes the signal level of an oscillation signal (OCSa, OSCb) fluctuate complementarily. An oscillation control circuit (12) compares the...  
JPWO2010016167A1
An oscillating circuit (11) answers changes of the signal level of a reference clock (CKa, CKb), and makes the signal level of an oscillation signal (OCSa, OSCb) fluctuate complementarily. An oscillation control circuit (12) compares the...  
JP2012010262A
To provide an oscillation circuit that can improve accuracy of an oscillation frequency.The oscillation circuit comprises: a reference voltage generation circuit that adds and outputs a PTAT output and a CTAT output; a first switch means...  
JP4849430B2  
JP2012004872A
To provide an oscillator with its power consumption reduced and a method for controlling its operating current.An oscillator comprises: charge and discharge sections M11-M14 that switch charging/discharging of capacitors C51 and C12 acco...  
JP2011259167A
To provide a triangular wave generator generating multiple triangular waves with high frequency and high accuracy that synchronize each other and have different voltage ranges.A first charging/discharging circuit includes: a first curren...  
JP4835009B2  
JP4838074B2  
JP2011061839A5  
JP2011250412A
To provide an apparatus and method for generating a ramp waveform.A ramp waveform generating apparatus generates a reference waveform by using an input signal and generates a driving control signal for turning on and off a switch having ...  
JP4833755B2  
JP4829724B2  
JP4824599B2  
JP4828560B2  
JP4828561B2  
JP4823825B2  
JP4819400B2  
JP4817960B2  
JP2011211509A
To provide a PWM signal generating circuit reduced in power consumption and high in accuracy.A counter 2 generates a pulse width of integral times as large as one period of a clock signal according to the upper bit of a digital input sig...  
JP2011211668A
To provide a high-precision arbitrary waveform signal generating apparatus which eliminates the need of calibration in practical use.In a high-precision arbitrary waveform signal generating apparatus, a DC voltage signal is used as a ref...  
JP4794542B2
Provided is a multilevel voltage driving device and system. The multilevel voltage driving device comprises a level converter, which is provided with an AC signal input terminal for inputting an AC signal, a high level output terminal fo...  
JP2011193266A
To provide an oscillation circuit capable of providing an accurate oscillation frequency even when manufactured by a CMOS process.A voltage Vref is converted to a current by an operational amplifier OPA1, an N-channel MOS transistor MN1 ...  
JP2011188641A
To provide a voltage generating circuit that generates a step voltage and a plurality of constant voltages without executing charging/discharging of a load capacity.The voltage generating circuit includes (N-1) capacitors (N is an intege...  
JP2011160076A
To provide a triangular wave signal generation circuit in which propagation delay in a closed loop comprising an integration circuit and a Schmitt trigger circuit is eliminated.The triangular wave signal generation circuit includes: the ...  
JP4750582B2  
JP2011147080A
To provide a pulse generator, along with a pulse generation method, in which the startup voltage of a pulse can be arbitrarily set.In a standard pulse generator, a charging power supply 11, a capacitor 12 and a mercury relay 13 are conne...  
JP4732007B2  
JP2011130393A
To solve the problem in a conventional system that stability varies depending upon comparison accuracy since it compares a voltage value of a certain waveform with a different threshold.A trapezoidal waveform generated by a control wavef...  
JP2011517898A
The present application discloses trapezoidal fire pulse generating methods and devices. According to the devices and methods of the present application, the voltage value of the positive DC control voltage signal, the voltage value of t...  
JP2011517898T
The trapezoid fire pulse generation method and a device which are indicated by the present invention, It is based on the trapezoid fire pulse parameter value outputted, and is a voltage value of the positive direct-current voltage contro...  
JP4704260B2  
JP4696920B2  
JP2010273326A5  
JPWO2009090703A1
ランプ波出力回路は、ランプ波を発生するラ ンプ波発生回路1と、ランプ波を受けるカッ トオフ周波数可変のローパスフィルタ2とを 備える。ローパスフィルタ2は、ランプ...  
JP4684112B2  
JP4685602B2
A first comparator compares an output voltage Vout appearing at a capacitor with a maximum threshold voltage Vmax. A second comparator compares the output voltage Vout with a minimum threshold voltage Vmin. An edge detection circuit dete...  
JP2011087064A
To obtain a detector which can be provided at low cost and is high in effect for reducing power consumption.A control circuit 12 controls switching between an operation mode and a stop mode of a sensor 11, and operates by a clock signal ...  
JP2011082844A
To provide a technology for dulling a digital signal waveform more easily than the prior arts.A signal waveform-generating method includes: a D/A conversion step of outputting an analog signal waveform using a D/A converter 140; a measur...  
JP2011061839A
To provide a system and method for further accurately controlling the quality of a triangular wave.A triangular wave generator includes a capacitive element, a regulator, and a control circuit. The regulator is configured to charge the c...  
JP2011055477A
To provide an oscillator circuit highly accurately sweeping a frequency.In an oscillator circuit 100 with a sweeping function, a first counter 10 counts a reference clock REFCLK a number of times corresponding to a digital first setting ...  
JP2011049869A
To provide a switching circuit capable of reducing noises received by a receiver.The switching circuit 1 generates a driving-voltage waveform operating a load 5 by driving a power transistor M1. The switching circuit 1 includes a receivi...  
JP2011049817A
To provide a switching circuit capable of reducing harmonic frequency components existing in a wide band, while suppressing switching loss, and to provide a method of controlling the switching circuit.The switching circuit 1 includes a m...  
JP2011035627A
To provide a ramp wave generation circuit capable of outputting ramp wave with fixed inclination, even when a capacitor with nonlinear C-V characteristics is used for an integration circuit.For the integration circuit 2 to which MOS capa...  
JP4622085B2  
JP4622306B2  
JP4622875B2  
JP4614218B2  
JP4610608B2  
JP2011004328A
To improve the frequency characteristic of a voltage-feedback class-D amplifier circuit for driving the output load.A triangular-wave correction circuit (32), which corrects the gradient of a triangular wave, is provided to a triangular-...  

Matches 401 - 450 out of 4,462