25 W Mullard Amplifier (CB6176E)

Found in an 1868 Mullard documentation this circuit has a dynamic range of 10 Hz to 25,000 Hz. Modern equivalent transistors can be used.

| Clique na imagem para ampliar |

Integrator (CB14104E)
This circuit can be implemented with other operational amplifiers. The formulas for calculating the...
Antique Mini Transistor Amplifier (CB11872E)
This circuit is from a 1953 publication, consisting of an AM radio with 3 germanium transistors that,...
Thermostat Without Relay (CB18013E)
The sensor of this circuit is a common silicon diode and it directly drives a small cooler with a...