Suggested by a 90s Popular Electronics this circuit is intended to receive volleys or whistles from thunderstorms in the wave range below 20 kHz. The coil consists of 300 turns of wire 26 in a ferrite rod.
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...