I did not include the 7912HB. While transient digitizers used the same number scheme and plug-ins were at least downward compatible, internally and externally Tek did not consider them part of the general 7000 series. The market and applications were totally different. The Tek general sales force were not even fully trained to sell them - only to indentify possible leads where a SPS sales specialist could come in.
It is interesting that they even bothered to introduce the 7623B. There were a few other instruments that were killed just before launch - including one of the 7912xx digitizers! (I don't remember the suffix, but I did attend the wake celebration at one of the local pubs with the design team.)
Steve
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--- In TekScopes@..., "Dennis Tillman" <dennis@...> wrote:
The 7912HB 750MHz Transient Digitizer was introduced in 1989. Of course you
could argue that was an improved version of the 500MHz 7912AD, which was an
improved version of the R7912.
But the 7623B is the very last MF to be introduced. It came out in 1990 and
later in the year Tek discontinued the entire product line. It is the only
"B" model MF to be introduced. Therefore it is extremely rare. If you find
one it is likely to be unused and in pristine condition. Brian Henry has
one.
Dennis
-----Original Message-----
From: TekScopes@... [mailto:TekScopes@...] On Behalf
Of Steve
Sent: Friday, September 21, 2012 2:30 PM
To: TekScopes@...
Subject: [TekScopes] Re: San Diego 7934 and goodies
Dennis,
I believe the 7934 is the last 7000 series scope tha tTek intorduced. It
also had the shortest life, and very well may be the shortest production
run. I picked one up for a song, but with no manual. Manuals for this
model are very rare. I do have an elecronic file copy, but it is a very
poor quality scan.
- Steve
--- In TekScopes@..., "Dennis Tillman" <dennis@> wrote:
The 7934 is an uncommon scope because it came out late in the 7000
lifecycle
(1987) For some odd reason it was not listed in the 1988 catalog but
it reappeared in the 1989 and 1990 catalogs. In most respects it is a
higher bandwidth 7834 which was discontinued after 1985.
The 7834 was a 400 MHz scope but the 7934 is the fastest storage scope
Tek made at 500MHz.
Dennis
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