Obtained from an English publication in the 1980s, when a weather station operated in that country at 60 kHz, this circuit employed only two general-purpose transistors.
This circuit is from an English publication from 1978. It generates random binary numbers when we...
We found this circuit in a Poptronics of February 2000. We can do its assembly using 4 1N4001...
Found in American documentation from the 90s, this circuit uses a GASFET of the time. The circuit is...