Roman numeral display (CB22160E)

This circuit shows numbers I II and III when mounted on its side, depending on the position of the selector switch.

BTL TDA2002 15W Amplifier (CB15825E)
This amplifier provides up to 15 W of output when powered by a simple 12 V source. The integrated...
Photodiode Amplifier III (CB1302E)
Found in 1980s documentation, this amplifier uses a symmetric source and the gain is given by the...
Preamp (CB6165E)
This Audio System circuit was found in 1965 documentation. It is a 50 ohm line circuit with 22 dB...