Publicado en el 101 Electronics Projects de 1979, este astable genera una señal rectangular rica en armónicos en la pista de audio. La frecuencia es determinada por R2, R3 y por los capacitores. En la sección de matemáticas para electrónica las fórmulas para este circuito. Los transistores también pueden ser del tipo BC548 y la alimentación puede oscilar entre 6 y 15 V. Para utilizar como inyector de señales, coloque en la salida un capacitor de 10 nF para aislar el componente DC del circuito.

 


 

 

 

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