LM3900 Amplifier (CB25165E)

This circuit with Norton operation is from an article in Radio Electronics magazine. The gain is given by the resistors.

Standing wave meter (CB23791E)
This is a circuit published in the January 1962 Radio Electronics magazine. The circuit is for...
Signal Generator (CB24219E)
This diagram was found in the November 1972 issue of Radio Electronics magazine in an article...
Photo relay (CB21912E)
This circuit with the CK722 was found in a Raytheon publication from the 60's. The relay is of the...