Amplifier for photodiode 1 (CB6787E)

We found this circuit in Harris' 90s documentation. The circuit applies to modern operational amplifiers.

Ultrasonic emitter (CB9383E)
Found in Radio Electronics from the 90s, this circuit has a power given by the output amplifier. The...
TTL interface (CB10977E)
This circuit was obtained in a 1982 English magazine. The purpose of this circuit is to interface...
Simple TTL Power Supply (CB1161E)
We found this circuit in an English publication of 1976. It can be easily assembled by changing the...