The integrated circuit used in this multivibrator is no longer common today. With the components indicated the frequency is a few kilohertz. The capacitor can have values between 100 and 220 nF in these conditions.
The integrated circuit used in this multivibrator is no longer common today. With the components indicated the frequency is a few kilohertz. The capacitor can have values between 100 and 220 nF in these conditions.