Wien oscillator circuit

Wien oscillator circuit is in my opinion one of the oscillator circuit is quite simple. Only by using a single Op-Amp IC and some resistors and capacitors and two diodes. You can use a 5 volt zener diode to the second zener diode above. So you can make... READ...

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Phenomenon hello sun

This Phenomenon hello sun is in fact tantamount to the formation of a rainbow in the morning or late afternoon after a rain. rainbow arch is often seen at the bottom of the horizon because the particles of water vapor that deflect sunlight gathered... READ...

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