Drake 1525EM schematic
G. Beat
gregory.beat at COMCAST.NET
Sat Aug 28 19:53:48 EDT 2004
----- Original Message -----
From: "Murray Grandy" <mgrandy at TELUS.NET>
To: <HEATH at LISTSERV.TEMPE.GOV>
Sent: Saturday, August 28, 2004 3:17 PM
Subject: off topic Drake 1525EM.
>
> Does anyone know where I can find a schematic for subject mic?
> Thanks for use of the list for this purpose.
>
> Murray
>
Yes, the Drake Home Page is becoming the "one stop" web page for Drake
information.
http://www.wb4hfn.com/DrakeHomePage.htm
The Manual Page, has the 4 page manual for this DTMF microphone.
It used the Motorola MC14410 IC for a tone encoder.
http://www.wb4hfn.com/DrakeManuals.htm
Page 3 of the manual has the PC board schematics and interface layout !
http://www.wb4hfn.com/DrakeManuals/1525EM/Manual_1525.htm
Good luck !
Greg
w9gb
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