Controlled gain amplifier TBA400 (CB21886E)

This circuit was obtained from the 1976 Siemens Integrated Circuits Manual. It is the circuit for applying the TBA400 as a broadband amplifier.

| Clique na imagem para ampliar |

Low Pass Filter 741 (CB19644E)
This circuit allows only signals with frequencies below the calculated value to pass. The formulas for...
Common emitter amplifier stage (CB9061E)
This circuit was found in an American documentation from the 80's. The transistor is a...
Astable 555 (CB21101E)
This 50% duty cycle configuration was found in a Popular Electronics from the 1990s. The operating...