Direction Signal (CB25608E)

This circuit was found in the September 1993 Electronics Now magazine. It is based on the 555 and powers an audible indicator.

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Preamp (CB6165E)
This Audio System circuit was found in 1965 documentation. It is a 50 ohm line circuit with 22 dB...
AND gate with LM3900 (CB25173E)
The figure shows how to implement the AND function with a Norton LM3900 operational amplifier. The number of...
Low Capacitance FET Amplifier C (CB13221E)
This high impedance and low capacitance buffer employs a junction FET that can be BF245 or...