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Matches 351 - 400 out of 4,459

Document Document Title
JP2013121174A
To provide an oscillation circuit capable of outputting a slope compensation current while generating an oscillation signal.An oscillation circuit has first to third current sources each outputting a constant current. The oscillation cir...  
JP2013110485A
To provide an oscillator that can oscillate with a triangular waveform and a sawtooth waveform in a simple configuration.When a transistor 2 turns on, a transistor 4 turns off. A current I2 responsively charges a capacitor 5 to increase ...  
JP2013098851A
To provide a circuit that can feed staircase high voltage pulses to a capacitive load and can vary the number of steps, the voltage variation of each step and the duration of each step.A drive circuit 1A for selectively outputting either...  
JP2013085169A
To provide a load control device that implements improved duty ratio accuracy by preventing an inaccurate duty ratio in a high duty range.A triangular wave generation circuit 5 generates a triangular wave VC1 from a supply voltage VI sup...  
JP5193590B2  
JP2013055613A
To receive a weak radio signal with low power consumption.An oscillation device includes a clock circuit, a power supply current source and an oscillation circuit. The clock circuit generates a clock signal. The power supply current sour...  
JP5160268B2  
JP2013046378A
To provide a relaxation oscillation circuit that generates a more constant frequency clock than the prior art.A clock generation sub-circuit 1 is controlled so as to alternately repeat a comparison voltage generation period of generating...  
JP2013038744A
To provide an oscillation circuit that outputs an oscillation signal of a highly precise frequency.The oscillation circuit includes: an RS flip-flop 11 for generating output signals Q, QB on the basis of a set signal and a reset signal; ...  
JP2013034058A
To solve the problem of a conventional technology based oscillator circuit composed of a current source, a comparison circuit and an external capacitance that the accuracy of an oscillation frequency is degraded depending on the capacita...  
JP2013031082A
To avoid the situation where an integrating capacitor constituting an integration circuit is saturated to disable the integration circuit from functioning normally.A third switch SW3 is connected between one terminal of an integrating ca...  
JP2013504263A
A temperature compensated CMOS RC oscillator circuit changes the source-bulk voltage to stabilize the MOSFET's threshold voltage variation over temperature using a resistor and temperature-correlated bias current. The MOSFET's source is ...  
JP2013026881A
To provide a PLL circuit and a method of control thereof which implement a wide range of changes in the oscillation frequency of a VCO while suppressing an increase in circuit scale.A PLL circuit 1 includes a VCO 11, control logic 14 and...  
JP5130858B2  
JP2013002949A
To provide a signal generation circuit and a radar device which allow acquisition of an FMCW signal with low noise, high frequency precision and high linearity.A signal generation circuit having an oscillator in which a frequency of an o...  
JP2012531110A
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 ...  
JP5091579B2
A load control unit for controlling the supply of an electric power to a load from battery in accordance with a pulse-width modulation control includes: a reference voltage generating unit; a first charging/discharging unit; a second cha...  
JP2012217170A
To provide a signal generator, outputting an analog frequency signal based on a digital value corresponding to a preset frequency, capable of achieving good noise characteristics, elimination of a ROM table corresponding to waveform data...  
JP2012217118A
To stabilize the response of a pulse-width modulation signal when an amplitude of an audio signal becomes excessive at a negative side.A pulse-width modulation circuit 10 comprises: a clock generation circuit 11; a differential amplifier...  
JP5040853B2  
JP2012175168A
To prevent occurrence of a state in which, when a current becomes unbalance because of a leak current of a transistor, a voltage amplitude is deviated to a power source voltage or to a ground voltage for stabilization when a current ampl...  
JP2012156840A
To provide an oscillation circuit that suppresses an increase in chip size by changing a frequency without requiring a large occupation area of capacitors in an integrated circuit.A configuration in which a first current source Iu for su...  
JP2012156794A
To provide a sawtooth wave generation circuit that can easily generate a sawtooth wave voltage having a stable amplitude and having a steep gradient at a sudden voltage change with the use of a single output capacitor.The sawtooth wave g...  
JP5002964B2  
JPWO2010087199A
The harmonic LIGIER cushion mixer which can oppress a harmonics response is indicated controlling increase of gm element number. The output of a plurality of mixers connected in parallel with the latter part of a plurality of gm elements...  
JPWO2010087199A1
gm素子数の増大を抑制しながら、高調波応 答を抑圧可能なハーモニックリジェクション ミキサを開示する。複数のgm素子の後段に 並列に接続された複数のミキサの出力を...  
JP4989106B2  
JP4984226B2  
JP4985035B2  
JP4984284B2  
JP4976869B2
A pulse width modulator includes a discrete time oscillator, a data storage device, a data processing block, a counter, and a comparator. The discrete time oscillator generates a first address of bits used by the data processing block fo...  
JP4974637B2  
JP2012124570A
To provide an oscillation circuit capable of generating a stable clock signal.The oscillation circuit comprises: a first comparison circuit; a second comparison circuit; a first voltage control circuit; a second voltage control circuit; ...  
JP4961525B2  
JP4953019B2  
JP2012105206A
To oscillate a wideband triangular signal in simple structure.An oscillator includes: a voltage-current exponential conversion section 100 including a base-grounded PNP transistor Q1 and a base-grounded NPN transistor Q2; a charge/discha...  
JP4940684B2  
JP4934953B2  
JP2012095524A
To provide a DC-DC converter for achieving optimal power efficiency not depending on the consumption power of a load circuit, and provide a control circuit with wide variable width of sampling frequency.A current generation circuit inclu...  
JP2012084980A
To provide a semiconductor circuit and a semiconductor circuit system capable of operating with a further appropriate synchronized clock when a plurality of semiconductor circuits need to operate with a synchronized clock.In a semiconduc...  
JP2012070224A
To generate a high-accuracy clock signal even in the occurrence of variation in power supply, temperature, or the like when the setting of clock frequency is changed.A frequency voltage conversion circuit 13 includes a switch portion inc...  
JP2012070123A
To provide an oscillation circuit that can be operated under a low voltage while reducing current noise.An oscillation circuit 100A includes: a fixed voltage source 10 that outputs a fixed voltage Vref; a capacitive element 20; a current...  
JP2012060613A
To provide a self excitation type oscillation circuit capable of further improving sound quality of a class D amplifier equipped with a self excitation type oscillation circuit.A self excitation type oscillation circuit SB is connected b...  
JPWO2010044488A
The impression timing of a noise impulse is not being interlocked with operation of an electronic circuit. For this reason, impression of an impulse cannot be performed probable and there is a problem that correspondence with a malfuncti...  
JPWO2010044488A1
電子回路の動作と、ノイズインパルスの印加 タイミングが連動していない。このためイン パルスの印加は確率的にしかできず、誤動作 メカニズムとの対応が取れないという問...  
JP4882474B2  
JP4871003B2  
JP2012023431A
To provide a sine wave generating circuit which generates a highly accurate sine wave with a relatively simple circuit.The sine wave generating circuit comprises a clock generation circuit 10 which generates clocks C1 to Ck of 2n-1 phase...  
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...  

Matches 351 - 400 out of 4,459