Question

Can someone please explain how an astable circuit functions?

Answer 1

Maybe you can read through this and ask further questions then: http://en.wikipedia.org/wiki/Multivibrator#Operation

Answer 2

for what astable circuit?

using 555 timer or using BJTs?

Regards,
student of Electronics Engineering.

Answer 3

I need to know how it works using 555 timer. I just can't understand how the capacitor charges and discharges and the voltage changes.

Answer 4

ok. it is necessary that you become online. face to face i can teach you. it is simple.

Answer 5

What time?

Answer 6

are you there now?