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Matches 451 - 500 out of 4,459

Document Document Title
JP2010273326A
To simplify a pulse width modulation circuit, save space, and reduce cost.The pulse width modulation circuit 1 generates a pulse width modulation signal PWMout by allowing a first and a second capacitors C1, C2 to perform a charging acti...  
JP4592181B2
The invention includes: a capacitor 11 for generating ramp wave; a constant current source 10 for supplying constant current to the capacitor 11 for generating ramp wave; voltage fixing means for charging the capacitor 11 for generating ...  
JP2010268408A
To provide a circuit for generating sawtooth waves by charging and discharging a capacitor, which reduces a bottom voltage and variations of frequencies, which are caused by operation delay of a feedback circuit.The sawtooth wave generat...  
JP2010252314A
To prevent a peak voltage from fluctuating when a cyclic signal having a sloping waveform is generated using an external synchronization method.A first capacitor C1 is arranged such that the electric potential at a first terminal P1 is f...  
JP2010245906A
To provide a triangular wave generating circuit which does not vary an amplitude of a triangular wave signal and which is operable even if a clock signal is stopped, and to provide an integrated circuit device and an electronic apparatus...  
JP2010245675A
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,...  
JP4571905B2  
JP4571122B2  
JP2010233067A
To reduce noise generated from a waveform generation circuit.A waveform generation circuit is configured to continuously control a voltage applied to a gate of an MOSFET to change an output current in the form of a sinusoidal wave by uti...  
JP4560552B2  
JP2010226363A
To arrange a current value of sink and a current value of discharge. Each of first to third unit circuits includes first P channel transistors (P11, P21, and P31), second P channel transistors (P12, P22, and P32), first N channel transis...  
JP4555103B2
A ramp signal generation circuit is disclosed. The ramp signal generation circuit comprises a ramp signal generator, a buffer, a comparator, and a switching circuit. The switching circuit provides current to an output of the ramp signal ...  
JP4551862B2  
JP4549967B2  
JP2010200290A
To provide a pulse width modulation circuit that can output a normal PWM waveform even when the frequency of a clock signal is changed.A voltage switching circuit 36 switches a voltage from a voltage source 35 according to the frequency ...  
JP4539977B2  
JP2010193148A
To provide an oscillator which outputs pulse signals whose oscillation frequencies are constant. The oscillator 100 outputs a pulse signal that has a specified period by alternately switching between the open and close state of a first s...  
JP4537483B2
A high dynamic range sensitive sensor element or array is provided which uses phase domain integration techniques to accurately capture high and low intensity images. The sensor element of the present invention is not limited by dynamic ...  
JP2010171685A
To provide a clock synchronization circuit of a switching power supply that enables the output of a signal synchronous with an internal clock or an external clock while suppressing the complication of the circuit and an increase in the n...  
JP2010171726A
To accurately generate, a plurality of triangle waves with the same periods and with phases different from one another at high frequency.A triangle wave generating circuit includes: a pulse generating circuit generating a plurality of pu...  
JP2010171727A
To start or stop a main clock and a sub-clock in an optional sequence.A main (sub) clock circuit includes: a first (second) capacitor; a first (second) current-supply circuit to supply, a first (third) current for charging at a predeterm...  
JP4510054B2  
JP4496479B2  
JP2010522502A
This indication describes art for generating the one-set data point which forms a triangular wave which has a desirable profit and desirable frequency. In one example, this method contains a step (a) which determines an increment value b...  
JP4493450B2  
JP4494763B2  
JP2010136278A
To provide an apparatus for producing a PWM (Pulse Width Modulation) wave with a high resolution even in a low-speed processor only by adding a simple circuit. A PWM waveform producing apparatus 1 includes: a PWM circuit 100 for producin...  
JP4483101B2  
JP2010127645A
To allow a signal having an arbitrary waveform up to a high frequency area to be generated by expanding a frequency band of the signal to be generated while using a sampling frequency of a relatively low frequency. A complex spectrum in ...  
JP2010114558A
To provide a sweep tone signal generation circuit for generating a sweep tone signal having a ratio of approximately 1:1 of high level to low level, by a simple configuration.In the sweep tone signal generation circuit, an OP amplifier A...  
JP2010517443A
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...  
JP2010109708A
To precisely generate a plurality of rectangular wave signals having different desired amplitudes without changing the number of adjustment widths of a D/A converter.A triangular signal generation circuit includes: an integration circuit...  
JP2010109728A
To provide a phase interpolation circuit for generating a clock signal of a desired phase without performing signal superimposition in a linear area.The phase interpolation circuit includes: a pulse string generation circuit which genera...  
JP4453463B2  
JP4453925B2  
JP2010087561A
To provide a triangular wave generation device for stably outputting a triangular wave.The triangular wave generation device 200 includes: a triangular wave generating circuit 202 provided with an integrator circuit including an operatio...  
JP2010087883A
To provide a step voltage generating circuit in which a degree of freedom for a circuit configuration related to a connection form of conductors is improved.In the step voltage generating circuit including (N-1) pieces of conductor syste...  
JP2010087562A
To provide a triangular wave generation device for stably outputting a triangular wave.The triangular wave generation device includes: a triangular wave generating circuit 102 including a first current source 30, a second current source ...  
JP2010081336A
To provide a flicker circuit in which cost reduction is attained by reducing power consumption and decreasing the number of components.As a first terminal of a light-emitting thyristor 20, an anode terminal is connected to a power source...  
JP2010074261A
To provide a step voltage generating circuit having raised degree of freedom concerning topology of capacitors.The step voltage generating circuit also includes a first stage capacitor array circuit, different from a second stage capacit...  
JP4434759B2  
JP2010050614A
To provide a semiconductor device capable of preventing performance deterioration due to interference of a system clock, or the like, by generating a triangular wave, and to provide an amplifying apparatus.A semiconductor integrated circ...  
JP2010050516A
To provide a delay circuit of a lamp waveform generation system, capable of shortening a time required for reset operation, corresponding to a high speed repeated input signal by suppressing noise that occurs during the reset operation a...  
JP2010041674A
To provide a triangular wave generation circuit for outputting a voltage in a triangular wave shape that maintains a high level in initiation.A charging/discharging circuit 31 starts initial charging just after initiation and when an int...  
JP2010025946A
To provide an effective and highly manufacturable current sense circuit for a power switch output.The circuit includes an output transistor 24. The drain is coupled to a load 32, the source is coupled to a power rail 10, and the gate is ...  
JPWO2008032782A1
【課題】 低電圧、低電力で動作可能で、高調波成分の 発生を有効に抑制したパルス入力型のパワー 増幅装置等を提供する。【解決手段】 出力側が相互に接続され同一周波数...  
JP4404270B2  
JP2010011337A
To provide a sawtooth wave generation circuit, capable of generating a desired voltage waveform without having to use an expensive power amplifier.The sawtooth wave generation circuit includes: a bias means for setting a final voltage va...  
JP4394124B2
A charge pump comprises a single voltage multiplier stage ( 1 ) which converts an input voltage (VDD) into an output voltage (Vo) under control of a clock signal (Q, Qn; CLKO). An oscillator ( 2 ) receives the input voltage (VDD) to gene...  
JP2009296413A
To provide an astable multivibrator equipped with a voltage-controlled oscillator whose frequency is stable even at wide-range output frequency control.In the astable multivibrator having amplitude clipping elements Q3 and Q4 connected t...  

Matches 451 - 500 out of 4,459