This super regenerative detector circuit was found in an English documentation from 1963. The coil is frequency compliant. The transistors are germanium of the time.
We found this circuit in an old Popular Electronics. The circuit can be applied to other...
With this circuit it is possible to receive the signals from the 11-meter band (27 MHz) in a...
We found this circuit in an American publication from the 90s. The transistors must be provided with...