Wednesday, October 30, 2013

TTL square wave generator circuit

Simples Gerador de onda quadrada TTL

Here's a useful circuit, he is a TTL square wave oscillator, it uses three logical ports, and also a capacitor and a resistor to adjust the frequency. The circuit can be used as a Clock Oscillator, standard signal, etc. The oscillator uses a 7400 integrated circuit, the table below shows the values of C * and R * to achieve the desired frequency, which can be chosen between 100 hz and 1 MHz


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