Published:2011/4/8 0:44:00 Author:muriel | Keyword: application cording diagram
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Published:2011/4/8 0:44:00 Author:muriel | Keyword: driver, functional block diagram
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Published:2011/4/8 0:43:00 Author:muriel | Keyword: functional block diagram
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Published:2011/4/8 0:41:00 Author:muriel | Keyword: application wiring scheme
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Published:2011/4/8 0:40:00 Author:muriel | Keyword: IGBT driver, functional block diagram
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Published:2011/4/8 0:41:00 Author:muriel | Keyword: application wiring scheme, IGBT driver
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Published:2011/4/8 0:40:00 Author:muriel | Keyword: IGBT driver, functional block diagram
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Published:2011/4/8 0:40:00 Author:muriel | Keyword: IGBT driver , application cording diagram
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Published:2011/4/8 0:39:00 Author:muriel | Keyword: IGBT driver, functional block diagram
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Published:2011/4/8 0:39:00 Author:muriel | Keyword: IGBT driver, application cording diagram
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Published:2011/4/8 0:37:00 Author:muriel | Keyword: MOSFET, IGBT, functional block diagram
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Published:2011/4/8 0:37:00 Author:muriel | Keyword: TX-KD501, application cording diagram, driver
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Published:2011/4/18 21:04:00 Author:Ecco | Keyword: function generator , 555 , timer
The chart shows a function generator circuit composed of 555 timer. The circuit consists of a CH7555 timer and some transistors and RC components. It can generate triangle wave, square wave, sine wave, sawtooth and square wave sweep simultaneously. Ramp can be positive or negative. The frequency of various waveforms is adjustable from 0.1Hz ~ 100kHz, the amplitude of square wave is 5 ~ 15V, it can directly drive TTL circuits (power supply is 5V). Nonlinear ramp is below 1%, sine wave distortion is less than 3%.
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Published:2011/4/8 0:36:00 Author:muriel | Keyword: MiniSkiip circuit
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Published:2011/4/8 0:35:00 Author:muriel | Keyword: Frequency converter, control drive main circuit
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Published:2011/4/18 21:37:00 Author:Ecco | Keyword: Switching , alarm sound , generator
KD9561 is a CMOS four syllables music IC. With an oscilloscope observing the output waveform frequency square wave signal, the logic circuit can be considered as a digital signal. TWH8778 is the high power switching IC, it is suitable for processing digital signals, and it can be connected to CMOS IC directly as its high input impedance. The maximum output frequency of KD9561 is several thousand Hz, and TWH8778 can work up to 15 kHz. So there is not a matter of time digital signal processing when the former controlling the latter,and it should combine both and form a switching amplifying alarm sound generator. It can be used as police cars, ambulances, fire trucks and other alarm generator. Comparing with other linear audio amplifier, it has the advantages of simple structure, high efficiency, excellent cost. Although the sound quality is not perfect, its output power of amplifier could satisfy the requirements of general alarm sound, and the alarm generator does not need high-fidelity. The circuit is as shown in the chart.
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Published:2011/4/7 22:58:00 Author:muriel | Keyword: overcurrent waveform circuit
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Published:2011/4/7 22:58:00 Author:muriel | Keyword: driver etection
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Published:2011/4/8 0:38:00 Author:muriel | Keyword: application cording diagram, KD10X
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Published:2011/4/18 21:10:00 Author:Ecco | Keyword: Pulse signal source , independently , adjustable, frequency , pulse
When general pulse generator adjust its oscillation frequency, the signal pulse width is also changed. Conversely, when it needs to change the pulse width, the oscillation frequency is changed. The circuit can make the pulse width and frequency be adjusted separately, they are independent from each other. The circuit shows in Fig.
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