[time-nuts] FTS 1050A

Paul A. Cianciolo paulc at snet.net
Tue Aug 9 19:15:10 UTC 2011


Thank you for the idea.  I do like the idea of leaving the 1050 completely
stock with the exception of adding a DDS size board.
What about the programming to say give a 5 or 10 MHz output from an odd
clock frequency.

Where did you get your DDS kit and who did the programming?

Paul A. Cianciolo
Our business computer network is  powered exclusively by solar and wind
Converting Photons to Electrons for over 20 years

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Murray Greenman
Sent: Tuesday, August 09, 2011 2:19 PM
To: time-nuts at febo.com
Subject: [time-nuts] FTS 1050A

The FTS 1050A  sounds like a very nice toy. I agree with one of the other
suggestions - use the device as a reference for a DDS generator, so you can
have any frequency you like, with high stability.

Many of the newer DDS chips have excellent performance, and in addition
include a clock multiplier. I have an AD9852 kit, and it can multiply by up
to 20, so would give ~120MHz as the reference from your FTS1050A, and then
have useful output to 30MHz. The synthesizer is 48 bit, so the steps are
very small.

I use mine with an odd-frequency FEI Rubidium source (about 60MHz) and the
results are very good - any frequency I want with microHz resolution.

Murray Greenman

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