This old fashioned transistor amplifier was found in a publication of the year 1958. Transformer are the critical components in the circuit and power comes from 6 D cells.
This circuit was obtained in a 1975 magazine and can be implemented with BC548 transistors. The...
We found this circuit in documentation from the 90s. The circuit uses components that are still...
A traditional application of the monostable 555, used in engines that still employ the platinum...