Outstanding crystal radio articles by the late Ben Tongue
Adobe Portable Document Format - 1.37 MB - 04/27/2018 at 12:23
Its a bold statement! Can you do better!
It's the 636 One Transistor Reflex:
And a video from the Internet:
Here is my simulation of the 636:
A number of changes were made:
The schematic consists of:
Replacing the 1 mH inductor with a 1k resistor, reduced the gain by a factor of 3:
Increasing the tuning coil tap to 20% (from 10%) kills the tuning coil Q.
Over to you!