Found in old documentation, this receiver for the mid-wave range uses transistors from the era. In fact, modern general-purpose equivalents can be used.
This circuit was found in a 90s Hands On Electronics. It monitors the presence of voltage in a...
This unit gain circuit has a very low output impedance. The circuit is of the Linear Databook of...
Found in 1965 General Electric technical documentation, this half-wave circuit controls shunt type...