开云体育

Any other test equipment fans going to Dayton? Maybe we can organize
a collective? (I saw Stan there two years ago in the ever dependable
rain)

(And I promise to update my 7K pages, Real Soon Now)

Hi, gang,

With thanks to Guido Kueppers, the following additional file(s) is/are now available on the Blue Feather FTP archive at ftp.bluefeathertech.com.

File name: 12RC11_U140.bin

Path: /pub/electronics/testgear/Tektronix/firmware/124x/ROMS

Version: Unknown

Purpose: This is the image from the EPROM in the parallel communications COMM Pack for the 1240 and 1241 series logic analyzers.

As always, please keep the following restrictions in mind when accessing the archive: (1), There is a five-user limit for anonymous logins at any one time. (2), Download speed is capped at 128Kbps.

Both of these limits are designed to maximize availability of the archive for all, taking into account the limits of my DSL pipe. Regrettably, I cannot yet afford a T1 or F-T1 line.

Access to the archive is best made with a real FTP client program as opposed to a web browser. This is because transfers made through a web browser are often slower, due to translation between the HTTP and FTP protocols. There are plenty of freeware and low-cost shareware FTP clients available. My personal favorite is WS_FTP, by IPSwitch Software, widely available from download sites all over the planet (including Tucows.com and ftpplanet.com).

When logging in, be sure to specify 'anonymous' (spelled out, no quotes) as your user ID. Your E-mail address is preferred as the password, but it is not a requirement (really, just about anything that contains printable ASCII characters will work).

CONTRIBUTIONS: Further contributions to the archive are always welcome, subject to the following conditions.

(1) Whatever you submit must be firmware or software that is NO LONGER SUPPORTED OR SOLD by Tektronix, or it must be directly related to equipment that is no longer supported or sold. Firmware or software relating to CURRENT Tektronix equipment WILL NOT be posted for download unless Tektronix makes the same file(s) publicly available from their own site.

In other words, I don't want any legal troubles. Tektronix has been very generous in allowing me (mainly through not saying 'No') to make this archive available, and I will not do anything to endanger that.

(2) Contributions should be sent via E-mail attachment to 'splicer at bluefeathertech dot com,' and should be archived with any of the common compression utilities, such as Power Archiver, WinZip, Gzip, etc.

(3) The preferred format for EPROM or EEPROM image files is Absolute Binary (Data I/O #16). This helps to guarantee compatibility with the widest possible range of device programmers. HOWEVER -- Other formats, such as Intel Hex or Motorola S-record, may be submitted with a note indicating the format used.

(4) The preferred format for PAL or PLD image files is a standard JEDEC fuse map.

ACCESS NOTE: There are many ISPs who, judging by their behavior, simply do not care about how many spammers, crackers, or other network abusers they host. With this in mind, I maintain an extensive local blocking list, both at the mail server and at the router level, that serves to keep such nastiness out of Blue Feather's LAN.

The flip-side is that such blocking may prevent some of you from E-mailing me, or accessing the archive. I can and will white-list individual addresses, but I cannot do so if I do not know that you tried (and failed) to get through.

If you find that mail from you to me bounces, or that you cannot access the FTP archive, please try my backup address of kc7gr at qsl dot net. Include the error message you received, and I'll see what I can do for you.

Thanks to all for your contributions, your patience, and your interest.


-=-=-=-=-=-=-=-=-=-=-=-
Bruce Lane, Owner & Head Hardware Heavy,
Blue Feather Technologies --
kyrrin (at) bluefeathertech do/t c=o=m
"If Salvador Dali had owned a computer, would it have been equipped with surreal ports?"

--- In TekScopes@..., "Craig Sawyers" <c.sawyers@t...> wrote:

Risetime: 1 ns or less into 50 ohm

It uses 153-0038-00 tunneldiode which is a selected 152-0154-00 which
is also the reason Craig didn't have it his list.

That's interesting - thanks! I'll put that one on the list. The
152-0154-00 is used in a number of things, including the TU-5. The diode is
10mA/9pF, giving a switching speed of about 450ps, which is consistent with
the specification. Assuming wiring stray capacitance of 3pF, a composite
switching speed of 600ps comes out of the calculation.

Others interested in a roll-your-own might be interested that this diode is
also in the RM546, RM547, R544, R556, 1S1, 1S2, 21A, 22A, 544, 546, 547,
556, 7B70 and 7B71.

Craig

Didn't realize this stuff was so valuable.
I have a few items I could probably be bribed out of.

Self contained 30ps pulser works



transmission line from same, need to check the diode.


also have a 284 line somewhere in the attic.
its diode is definitely bad.
mike

Risetime: 1 ns or less into 50 ohm

It uses 153-0038-00 tunneldiode which is a selected 152-0154-00 which
is also the reason Craig didn't have it his list.

That's interesting - thanks! I'll put that one on the list. The
152-0154-00 is used in a number of things, including the TU-5. The diode is
10mA/9pF, giving a switching speed of about 450ps, which is consistent with
the specification. Assuming wiring stray capacitance of 3pF, a composite
switching speed of 600ps comes out of the calculation.

Others interested in a roll-your-own might be interested that this diode is
also in the RM546, RM547, R544, R556, 1S1, 1S2, 21A, 22A, 544, 546, 547,
556, 7B70 and 7B71.

Craig

--- In TekScopes@..., "jjartstor" <jj@m...> wrote:

Hello All,

I received a Tektronix Pocket Signal Generator 015-0580-00 with the
465 that I purchased. It has a scope connector on one side
and a short cable with a bnc connector on the other. I'd like to

know

what it's used for. I searched Google and found virtually no info

on

it - except a blurb in Japanese - which had no value to me.

I'm intrigued by it. If anyone knows how to use it, please clue me

in.

Best,
John

-------
John,
I have a couple of those too and I have never given it much thought
what they were used for, I would assume for demo purposes. Anyway I
find them pretty useless. First of all you must connect it to a
TEKPROBE interface (on 11k and most TDS's) to get power. I fired up
one of mine and out came a 5V squarewaves at appr. 32kHz and phase
shifted about 90 degrees.
/Zenith, Sweden

--- In TekScopes@..., "Edward Knobloch" <k4pf@j...> wrote:

Hi, Gang

I picked up a Tek 067-0554-00 tunnel diode pulser.
(There's one for sale on eBay now, it you'd like
to see a photo).

Does anyone have the specs for this unit?
I'd like to know the specified risetime of the tunnel
diode pulser output and the type of tunnel diode used.
There are only a few parts in the box, and should be easy to home-

brew.

Thanks,
Ed Knobloch

---------
Ed, the specs for your little box is:

Output:
Ampl: 200 mV +/-10% into 50 ohm
Risetime: 1 ns or less into 50 ohm
Abberations: +2%,-2% total 4% pp

Input:
+ or - 100 V squarewave capable of 10 mA at 1kHz

It uses 153-0038-00 tunneldiode which is a selected 152-0154-00 which
is also the reason Craig didn't have it his list. The info on the
selection I have says that it is selected with a 100 to 250 ohm
resistor to produce 200 mV pp waveform. Mail me off list if you want
a scan of the schematics and parts list.
/Zenith, Sweden

I've got a working R7844 dual beam mainframe up on eBay.

Maybe somebody on the list needs one.



Bill



__________________________________
Do you Yahoo!?
Yahoo! Mail - More reliable, more storage, less spam

I picked up a Tek 067-0554-00 tunnel diode pulser.
(There's one for sale on eBay now, it you'd like
to see a photo).

It is a little box that goes between a 100 volt square wave
generator and the scope's vertical input, to test the risetime.
The effect of the tunnel diode is to "sharpen" the edge
of the square wave.

Does anyone have the specs for this unit?
I'd like to know the specified risetime of the tunnel
diode pulser output and the type of tunnel diode used.
There are only a few parts in the box, and should be easy to home-brew.

I think a Tek TU-5 tunnel diode pulser is the same thing,
except it uses UHF type connectors instead of BNC.
The manual for the 1A1 (Nuvistor input) plug-in, page 6-9
shows a TU-5 in use to check risetime.

Well, I'd like to say that I had the answer to that, having compiled lists
cross referencing TD's to Instruments to Specifications - but I draw a blank
on that one. I *think* that a later version was made for the PG506
calibration generator - that is called an 067-0681-01 and is specified at
<=125ps. The tunnel diode for this is a 152-0177-02 or -03. The -02 is
10mA, 3pF germanium. The switching time for a Ge TD is about C/(2I) ps so
in this case 3/0.02 = about 150ps, consistent enough with Tek's
specification. The -03 version of the TD might have lower capacitance, but
I don't have figures for this.

The fastest TD's that Tek used were the 152-0383-00, at 50mA, 1.5pF used in
the S51 and S52 TDR pulse heads - which should be capable of 15ps, but
actually do a bit slower than that, because circuit capacitance adds a pF or
two.

Another fast one was the 067-0513-00 pulser, which used a 152-0254-01 diode
with 100mA, 6pF characteristics. Theory says it should do 30ps, which is
what the pulser is capable of (I've measured mine with an S4 head, and even
that involves care and calculation to unravel what you see from the S4's
25ps rise).

As for making a roll-your-own, problem 1 is finding a TD with the right
capability. You could cannibalise an old 7B92 to harvest the right TD.
Next is making sure that the layout doesn't compromise the switching time -
stay capacitance and inductance is a killer.

Cheers

Craig

Brilliant,
Nice job, especially providing an index. If I ask really nicely can you crop the bottom of the pages so it all fills the full space?

Cheers

Robin
In message <c3cd97+kveb@...>, zenith5106 <hahi@...> writes

--
Robin Birch

Hi, Gang

I picked up a Tek 067-0554-00 tunnel diode pulser.
(There's one for sale on eBay now, it you'd like
to see a photo).

It is a little box that goes between a 100 volt square wave
generator and the scope's vertical input, to test the risetime.
The effect of the tunnel diode is to "sharpen" the edge
of the square wave.

Does anyone have the specs for this unit?
I'd like to know the specified risetime of the tunnel
diode pulser output and the type of tunnel diode used.
There are only a few parts in the box, and should be easy to home-brew.

I think a Tek TU-5 tunnel diode pulser is the same thing,
except it uses UHF type connectors instead of BNC.
The manual for the 1A1 (Nuvistor input) plug-in, page 6-9
shows a TU-5 in use to check risetime.

Thanks,
Ed Knobloch

Hello All,

I received a Tektronix Pocket Signal Generator 015-0580-00 with the
465 that I purchased. It has a scope connector on one side
and a short cable with a bnc connector on the other. I'd like to know
what it's used for. I searched Google and found virtually no info on
it - except a blurb in Japanese - which had no value to me.

I'm intrigued by it. If anyone knows how to use it, please clue me in.

Best,
John

Hi,
As I started to clean up the mess with all my manuals the other day I
came across a publication I didn't even know I had. It's an almost
100 pages document called "Troubleshooting Your Oscilloscope -
Getting Down to Basics". I have no idea when or where I got it. It
could have been handed out in some training class or it could have
been ordered it by P/N. Anyway, I guess it could be of some interest
to the group so I scanned it and it's available for download at
in the form of a 3.5M zipped pdf
document.
/Zenith

I have a Tektronic 576 Curve Tracer, comes with the Transistor/FET
and the Diode Test adapter. Also has an "original" Operating/Service
Manual (unheard of these days).
Now the bad news, you have to come and get it, it's too heavy for me
to ship (darn near broke something getting it in the house !!). I am
located in Lexington, MA, NW of Boston.
Price: Make me an offer, it has to go. Trades ? Looking for a Tek 491.

Regards, Dick, W1KSZ

Morning all;
I have a 5103N/D13 which *I think* is equiv.to the 5113.
Could someone tell me what the rear-signal-out comprises?
The rear panel of the 'scope is punched for the sockets;
is it just a matter of picking off the signals from the
plug-in connector or is buffering needed? The manual
download from Datasouth doesn't shed any light.
many thanks
Tim

18/03/2004 02:23:53, "Richard W. Solomon"
<w1ksz@...> wrote:

Using a 7B92A in a 7103 ... tsk, tsk, tsk ...
My choice is the 7B10 or 7B15 (I have two 7104's)

Only one horizontal slot in an R7103 - definitely a drawback.
Anyway, I'm normally probe-limited well before 200pS/div gets
useful. Oh look, a slightly sloping line :)

Steve

Hello,

This email message is a notification to let you know that
a file has been uploaded to the Files area of the TekScopes
group.

File : /Operators Handbook pages to No 5.PDF
Uploaded by : nifty58au <nifty58au@...>
Description : Part one of Handbook will upload rest if requested

You can access this file at the URL



To learn more about file sharing for your group, please visit



Regards,

nifty58au <nifty58au@...>

17/03/2004 22:47:49, "Richard W. Solomon"
<w1ksz@...> wrote:

Using the 7B92 in a 7704 is akin to stuffing a Ferrari engine in a

Chevy

pickup. Looks and runs nice, but ...

Ah, you've met my tastes in automotive design, then :)
Also, if eBay throws you 7B92s (or Ferrari engines), there's a
tendency to use them for everything.

The 7B92 is more appropriate in the 7904.

Nope. That's where the 7B92_A_ lives. (actually, it lives in my
R7103, but you get the point...)

The original question was "does this plugin work in that scope?" -
and the answer is a definite yes...

As a slight aside, is there any downside to using overspecced
plugins? (other than the temptation to wind them to the
(uncalibrated) endstops from time to time?) Do they have an
inherently shorter life / tendency to oscillate that the scope just
ignores / some other fatal flaw?

Steve

17/03/2004 12:16:58, "Craig Sawyers" <c.sawyers@tech-
enterprise.com> wrote:

I've just checked out my 7704A using a 7B92A - and it works

just fine. None

of the effects that you describe.

Behaves properly with a 7B92(non-A) in my 7704A, here, too.
Definftely something screwy going on. (out of interest, what's in the
4th slot, when the 7B92's in the 3rd?

(There's a 7D10 in mine, for what it's worth. 'Digital events delay',
which I was hoping might be useful for picking a given line out of a
PAL frame - but if it's able to do that, I'm too dim to drive it, and
have no manual :(

Steve

Using the 7B92 in a 7704 is akin to stuffing a Ferrari engine in a Chevy
pickup. Looks and runs nice, but ...

Whereas it is true that the 7B92A is good to 500ps/div and the 7704A is only
specced at 2ns/div, there is absolutely no reason that the combination
should not work just fine. I find the 7704A is still pretty darned good to
1ns/div.

And yes - I generally use the 7B92A in either my 7904 or 7834, but the
question was asked about whether it would work in the 7704A - and the answer
is yes it does.

Cheers

Craig

Using the 7B92 in a 7704 is akin to stuffing a Ferrari engine in a Chevy
pickup. Looks and runs nice, but ...

The 7B92 is more appropriate in the 7904.

73, Dick, W1KSZ