[AMRadio] Germanuim 2N409 PNP transistor


Todd Carpenter n9ysq at yahoo.com
Tue Jul 20 19:04:31 EDT 2010


They could be one other or both. Just like their glass ancestors though if you open the envelope, they are never the same.

-----Original Message-----
From: Jim Tonne <tonne at comcast.net>
Sent: Tuesday, July 20, 2010 17:09
To: Discussion of AM Radio in the Amateur Service <amradio at mailman.qth.net>
Subject: Re: [AMRadio] Germanuim 2N409 PNP transistor


I have a question about monodes.
Are they germanium or silicon?
The original request was for a germanium device.

- Jim W4ENE


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