Audio and video switch (CB8512E)

This circuit was obtained from a 90s Radio Electronics. The integrated circuit used HAA11508 is not a common component today.

| Clique na imagem para ampliar |

3-Stage Amplifier (CB14450E)
This simple low-power circuit uses, in the original version of 1965, germanium transistors. The...
Power Voltage Follower with the 741 (2) (CB11886E)
With this configuration we have a voltage follower, amplifier with unit gain, in which the output...
Amplitude Modulator (CB4124E)
With this passive circuit it is possible to modulated in amplitude a low intensity RF signal. The...