[Boatanchors] Boatanchors Digest, Vol 98, Issue 36

[Monty N5ESE]

David:

According to a QST Product Review in March 1967, the LO is at 16 
KHz.  I suspect that can get tweaked up or down a smidgeon to get the 
lumped LC Bandpass filter centered.

73,
monty  N5ESE
http://www.dit-dididit-dit.com


At 07:44 AM 3/26/2012, boatanchors-request at mailman.qth.net wrote:
>Date: Mon, 26 Mar 2012 07:15:52 -0400
>From: "David C. Hallam" <dhallam at knology.net>
>Subject: [Boatanchors] Comdel CPS-11 Speech Processor
>To: Boatanchors-qth <boatanchors at mailman.qth.net>
>
>Does anyone know about the Comdel CSP 11 speech processor?  I am trying
>to troubleshoot a recalcitrant one.  What is the carrier frequency? I am
>measuring 17.4 KHz and don't know if that is right or wrong.  The manual
>isn't much help.  Other how to hook it up and a schematic, there isn't
>much in it.
>
>I keep thinking that years ago I read something about the Comdel saying
>it used 85 KHZ as the carrier.  So far Google searches haven't turned up
>anything.
>
>David
>KW4DH