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.
In the circuit shown in the figure we have the way to excite a small speaker from a TTL output. The...
This fuzz uses only one transistor that can be the BC548. Signal input and output cables must be...
This circuit is from a 1977 documentation. It is powered by the power supply of the circuit under...