This 1967 Motorola circuit is intended for operation with signals up to 250 MHz delivering a 50 MHz signal at the output. The transistor is the MM1941, uncommon today.
This circuit was obtained in an old Argentine publication, using germanium transistors and...
This very low resistance meter was found in the February 1995 issue of Electronics Now magazine. The...
Using a CA3130 operational amplifier, this circuit was found in an English publication from 1977....