Gain 10 Amplifier (CB25636E)

Using a general-purpose transistor this AC amplifier was found in the November 1993 issue of Electronics Now.

Gain 100 Instrumentation Amplifier 2 (CB15878E)
This second amplifier is based on the integrated LM108 and has a differential input. The resistor...
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...
Flip-flop with relay (CB23778E)
In the figure we have the circuit of a bistable using two relays. We found this circuit in an...