Re: Add option 002 to 3245A?...
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Dave, No connection with the 4284/4285s that I am aware of, but for the 3245A, Xdevs has a good set of documents for this (including CLIP, which is very complete and good res, and includes option 002), high res pics, and a very thorough overview of the unit. Radu.?
On Fri, Aug 19, 2022, 9:08 PM Dr. David Kirkby, Kirkby Microwave Ltd < drkirkby@...> wrote: On Fri, 19 Aug 2022 at 14:06, Richard Parrish < Richard@...> wrote:
The options on the 3245A are plug-n-play.? Just plug them in and they work.? I've had dozens and have added opt 002 to plain units.? You can't have option 001 & 002 together, its either one or the other.? Unfortunately, finding either an opt 002 board or a
3245A with opt 002 is next to impossible.? If you happen to find one, buy it quick, it won't be there long.
Richard
Are the circuit diagrams available? I found an option 002 board (accessory control) for the 4284A or 4285A LCR meters. Since I have both meters, I was tempted to make a copy of the board. These would be one hell of a lot easier with the circuit diagram, as it would be less error prone than trying just to copy the traces. Unfortunately the only circuit I have is in the 4285A manual, and that is unreadable (even one from Artek, although that's more readable than another copy). That board is quite simple - just 74 series logic chips, a fuse and a few decoupling capacitors. I realize other boards are not so easy to copy.
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