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.
We found this circuit in an old American publication. It is a signal emitter that sends a command to...
Based on the CA3161 and CA3162, this circuit was found in the July 1990 Radio Electronics...
This two-transistor amplifier can be used as power stage for intercom, experimental receivers,...