This sonic control circuit for a small robot turtle was obtained in an American documentation from 1967. The circuit uses a ceramic capsule to fire an SCR.
This complementary circuit increases the output power of an operational amplifier. Outputs with...
The 4098 IC contains two monostable multivibrators in the same package. The basic configuration...
Using a 4046 PLL, which is uncommon today, this circuit was found in the October 1994 issue of...