Published:2011/3/27 22:41:00 Author:may | Keyword: sine wave oscillator
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Published:2011/3/27 22:22:00 Author:may | Keyword: sinusoidal oscillator diagram
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Published:2011/3/25 1:12:00 Author:may | Keyword: 1-50KHz sinusoidal oscillator
1-50KHz sinusoidal oscillator circuit diagram is shown in the diagram:
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Published:2011/3/25 1:09:00 Author:may | Keyword: 2.34KHz sinusoidal oscillator
2.34KHz sinusoidal oscillator circuit diagram is shown in the diagram:
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Published:2011/3/25 1:09:00 Author:may | Keyword: 25Hz sinusoidal oscillator
25Hz sinusoidal oscillator circuit diagram is shown in the diagram:
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Published:2011/3/30 2:39:00 Author:Ecco | Keyword: digital circuit, monostable multivibrator
To improve the precision and repeatability of the pulse width, it could connect a resistance between REXT/CEXT and VCC, and open for RINT.
To improve pulse width, it could connect atiming resistance betweenREXT/CEXT and CEXT. (View)
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Published:2011/3/30 2:43:00 Author:Ecco | Keyword: digital circuit, monostable multivibrator
To improve the precision and repeatability of the pulse width, it could connect a resistance between REXT/CEXT and VCC, and open for RINT. In order to get the variable pulse width, it could connect a variable resistance between RINT and VCC. (View)
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Published:2011/3/30 1:42:00 Author:Ecco | Keyword: digital circuit, double monostable multivibrator
Capacitance. To improve the precision and repeatability of the pulse width, it could connect a resistance between REXT/CEXT and VCC, and open for RINT. In order to get the variable pulse width, it could connect a variable resistance between RINT and VCC.
74123, 74L123, 74LS123, 74HC123 double monostable multivibrator (View)
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Published:2011/3/29 22:38:00 Author:Ecco | Keyword: digital circuit , double voltage controlled oscillator
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Published:2011/3/30 21:42:00 Author:Ecco | Keyword: Sensitive Oscillator
As shown as below, this oscillator is a type without steady-state harmony which composed of 555, R1, R3, C1 and optics triode VT. The internal resistance is changed with the illumination, and when the light is strong, it presents in low resistivity, when the light is weak, t presents in high resistivity. So the frequency of oscillator changes with the light in the range of 1Hz~6.5kHz. So the oscillator is available to make blind man to explore the way, early dawn report Xiao etc. situation.
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