EPICS Controls Argonne National Laboratory

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<== Date ==> <== Thread ==>

Subject: re: Arbitrary waveform generator
From: Frank Lenkszus <[email protected]>
To: [email protected]
Cc: [email protected]
Date: Wed, 3 May 2000 14:30:13 -0500 (CDT)
We have something called the AFG100 that we developed for our booster 
synchrotron ramping power supplies. It's a 16-bit arbitrary function generator.
It has an external trigger and an internal 15 kHz clock. It also has an
external clock input that I believe is good to up to 1MHz.

The unit contains two 16-bit by 8192 RAMS that are hot swappable. That is
the unit can output the contents of one RAM while the other is being loaded
from VME with a new pattern. There are inputs and outputs to sync multiple
AFGs.

The output is a 10Mbyte/sec fiber. It connects with a corresponding fiber
unit daughter card that may be located within remote equipment. This lets us
locate the 16-bit DAC inside the ramping power supply so noise and pickup are
minimized. 

These have been in use at the APS for several years to control all our booster
ramping supplies.

There's some sort of EPICS interface developed by Claude Saunders several years
ago. It's been recently updated to EPICS R3.13.2

Since you're at ANL, techology transfer should be simple if this looks like
it'll work for you.

The design is circa 1995, but it works. I believe we have 10 of these installed.

Frank



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