[Milsurplus] RM-561A O Scope

[J. Forster]

The plugins show up all the time at fleas for under $20 ea.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=50966&item=3840827180&rd=1&ssPageName=WDVW



-John

Jim Isbell wrote:

> Well, size for one thing.  And second, they want too much for plug ins.
>  I was once thinking about using it as a bench scope till I saw the
> prices for the plug ins and I didn't think 10Mhz was worth those prices
> when I could get a 25 Mhz scope for less than the cost of a plug in.
>
> J. Forster wrote:
>
> >The 561A takes two plug ins and has 10 MHz BW. Why not just get two vertical PIs
> >like 3A1s or 3A6s and use it as is?
> >
> >-John
> >
> >Jim Isbell wrote:
> >
> >
> >
> >>I was digging through the garage this afternoon in hopes of finding
> >>something useful, and I think I did.
> >>
> >>I found an RM-561A scope that I think I can reengineer and re package to
> >>make a nice Modulation scope to go in the Ham Shack.
> >>
> >>But before I start the project I wonder if anyone has done this with
> >>this scope and can save me some engineering time.  I want to put the RF
> >>directly to the vertical plates and audio to the horizontal plates
> >>(perhaps with some sort of amplitude control).
> >>
> >>I want to repackage it in a vertical chassis rather than in the rack
> >>mount chassis which is just too big since I wont need either of the plug
> >>ins or the plug in "sockets"  That should reduce the size by 2/3 rds.
> >>
> >>Any ideas???.
> >>
> >>
> >
> >
> >
> >
> >
> >