LED blinker (CB7195E)

This blinker for LEDs up to 500 mA was found in General Electric documentation from 1970. Transistors can be replaced with current equivalent types.

| Clique na imagem para ampliar |

741 Amplifier (CB24233E)
This is a traditional 741 configuration with gain close to 100. We found it in the December 1972...
Short-wave receiver (CB8391E)
Found in Popular Electronics, this sophisticated short-wave receiver requires a lot of skill from...
Field Strength Meter for TV (CB22312E)
We found this circuit in an American transistor book from the 1960s. The transistor is made of...