Gain 1000 Amplifier (CB8998E)

This circuit was obtained in a 90’s documentation. The operational amplifiers are from that time.

| Clique na imagem para ampliar |

Instrumentation Amplifier LM11 (CB14346E)
The LM11 operational amplifier is not common today. The circuit was obtained in the Linear...
Who is the Fastest? (CB203E)
Only one LED is turned on when S1 and S2 are pressed. The LED that will be on is just the...
2-Transistor Receiver (CB22517E)
This is one of the first transistorized receivers (2N107) published in the Radio Electronics...