Gain 10 Voltage Amplifier (T456E)

This 4-stage circuit has a voltage gain of 10 and negative feedback. The circuit was found in an old MIT publication.

Positive Peak Detector (CB15310E)
Other operational amplifiers of the same series can be used on this circuit found in Motorola's Linear...
Simple Timer (MSB042E)
This circuit uses a capacitor to store energy. The capacitor is charged by closing S1 by a moment. Them,...
50 ohms Line Amplifier LM3900 (CB15257E)
Other amplifiers of the series like the MC3301, MC3401 and LM2900 can be used in this circuit. We found...