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Radio Road Which tuner to get and getting the most from it. Thank God, for the radio! |
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Original Message
RE: It's almost a crude crystal radio but the tuning portion is connected wrong....
Posted by Jim Doyle on February 10, 2017 at 20:03:18:
You can protect this with a GDT - which are about $4 in qty 1 from Mouser.
These guys are mini versions of the OB2 OA2 glow regulators.... They conduct around 90V or so, so your FET needs to have a gate breakdown voltage above that....
Another longwire protection device is a simple neon lamp....
-- Jim