UHF Amplifier (CB24619E)

Used in satellite TV receptions in the 1980s, this circuit was found in the March 1980 issue of Radio Electronics magazine. Note the board layout.

| Clique na imagem para ampliar |

High Impedance Preamplifier (CB25693E)
We found this circuit in the March 1994 issue of Electronics Now magazine. The transistor is...
Different Bistable (CB19896E)
This circuit with two transistors was found in ancient European documentation. Transistors support...
Proximity detector (CB9567E)
Found in American documentation from the 1980s, this circuit makes use of components of the time,...