Basic 555 Timer Oscillator


The circuit on the left shows the standard astable oscillator circuit for the NE555N IC. This si the basic circuit that is shown in most component catalogues and other sources of 555 IC information. With the components shown on the diagram, the output frequency will be approximately 1kHz and the duty cycle 50-50.

Basic 555 Timer Oscillator

Source:http://www.geocities.com/electronics3456/555circuits.html


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