Tag Archives: IC 4047

Simple astable multivibrator circuit using CD4047 Cmos IC

When we say to the an astable multivibrator circuit, Many people will think to Many people think of as the most IC-555. But this time, it is recommended circuit in Figure 1. Which use IC-4047 CMOS with ability of this nature as well. And the advantage is, That output will… Read more »

Insect repellent device using ic 4047

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This is a small circuit insect repellent, mosquitoes and birds, or other methods to produce high frequency audio signals. To interfere with the hearing of insects. Make it insufferable, wings to escape in the end. Operation of this circuit is used IC1 number 4047. A duty to produce frequency. The… Read more »

Inverter 100W by IC 4047 + 2N3055 with PCB

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This circuit power Inverter 100W, so input voltage 12V (battery 12V) to output volt 220V ac 50HZ, it is asy circuit because less component to use. It use IC CD4047 Squarewave Oscillator 50HZ and Power Transistor 2N3055 x 2 For driver transformer 220V ac to OUTPUT Power 100W min. Circuit… Read more »