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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Synchronism separator (CB9420E)
Found in an Elektor from the 90s, this circuit is used with analog TV signals. The components are...
High Frequency Collpits Oscillator LT1190 (CB4923E)
This circuit was found on an application note from Linear Technology of the 1990s. The source must...
High Stability Emitter Follower (CB25618E)
We found this high input impedance, low output impedance amplification stage in the October 1993...