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Re: LF: DFCW Parameters

To: [email protected]
Subject: Re: LF: DFCW Parameters
From: [email protected]
Date: Tue, 9 May 2000 09:32:06 EDT
Reply-to: [email protected]
Sender: <[email protected]>
In a message dated 5/9/00 11:40:52 AM GMT Daylight Time, [email protected] writes:

<< What are the parameters for DFCW, or where are they specified.
I want to write some software to control my AD9850 DDS source (may be
applicable to your 9832 source as well Dave) and might as well include
this option.
 >>

Thanks to the reflector and a lot of hard work by Johan SM6LKM - DFCW has now been included in the PIC16F84 firmware used in the 9832 DDS. + or - Offset can be changed. Linear BPSK has also been included in hardware. Unfortunately, no computer transmit / receive programs have been found yet which can take advantage of the new BPSK feature. ( 0V = one phase, 12V = -180 degrees 6V = no output)
But I'm still looking.  Any ideas anyone?

73


David  G0MRF


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