Selective Light Amplifier (CB25488E)

This IR light sensor circuit was found in the July 1992 issue of Radio Electronics magazine. It is tuned for 20 kHz modulated light.

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Binary Demonstrator (CB24244E)
This TTL circuit was found in the February 1973 issue of Radio Electronics magazine. The power...
Fast Current Sensor (CB5415E)
This circuit is from the 2005 Linear Technology Sensor Manual. The circuit is fast acting and has a 3 V...
Alarm with sensors in parallel (CB22473E)
This latching alarm using SCR was found in a Popular Electronics from 1992. The circuit triggers a...