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Three-bit digital capacitance meter (NE556, CD4011, CD4543,

2014-11-06 01:38  
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Three-bit digital capacitance meter (NE556, CD4011, CD4543, CD4553)
Three-bit digital capacitance meter (NE556, CD4011, CD4543, CD4553)
The three-bit digital capacitance meter shown in figure is composed of the reference pulse generator, gated control circuit and start control circuit, control gate and counting and decoding display.