This circuit was found in a 1967 Electronics World. We can design it with a BF245 for the FET and a BC558 for the bipolar transistor. The circuit has 3 scales and a 10 M ohm input resistance.
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...