Found in an old Elektor, this circuit uses two 7-segment displays to indicate the volume of an amplifier. The circuit uses components that are still common today.
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...