On Mon, 12 Feb 2018, jafinch78 . wrote:

Does this contain more modules and is a better price for what you are
looking for? https://www.ebay.com/itm/292413119401?

Yep, I would say this one is much better. It is 16702B, it has 16555A module
that has 8 times 16712A memory and it also has 16712A and 16550A modules if
you need those. I would recommend getting 16556D blade with even more memory
that comes out handy at times -- those can be found really cheap.

LCD is not all that important but you can replace it for the sake of
completeness if you want. It is regular 12.1" 800x600 LCD, nothing special.

---
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* KSI@home KOI8 Net < > The impossible we do immediately. *
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Does this contain more modules and is a better price for what you are looking for? https://www.ebay.com/itm/292413119401?

Hi Richard,
First, how much do you want to spend?
What logic levels do you want to work with?
How many channels do you need?
What protocols do you want to use?
You can buy a new logic analyzer for many $K. Or you can buy a used HP or Tek dedicated box that's 10, 20 or 30 years old that supports 1980's protocols. Or you can buy a new USB based unit like a $600 Saleae 16 channel Pro that decodes modern protocols. Or you can buy a $50 Saleae logic 16 channel nockoff that suits many users and supports the same modern protocols.

Here it is:

https://github.com/racingmars/hp16700-i2c/blob/master/i2c-tdk.c

On Mon, Feb 12, 2018 at 05:55:37PM +0100, Hans Boon wrote:

Where can I find the decoding software in GITHUB?

Looks a nice addition to the logic analyser.

Regards,

Hans Boon






!DSPAM:5a81c39e174321834011173!

Where can I find the decoding software in GITHUB?

Looks a nice addition to the logic analyser.

Regards,

Hans Boon






!DSPAM:5a81c39e174321834011173!

The closest to official datasheet I can find is the product announcement
in popular RADIO magazine of the time (1967.)
RADIO had probably the best [official] access to the manufacturing data,
that was otherwise inaccessible to civilian comrades.
I have no idea what dashed area on the other side of the spot-weld bend is
on that drawing.
Perhaps, it means "alternative placement" of the bend?

I'd go for ink dot in preference of the weld bend. The underside is
impossible to inspect after it has been placed on the PCB. Think about it.

Mind you, in those days there was little automation so ink dots were
placed manually - take them as "best effort" design feature.

Leo

Hi Sebastian,

The 5CT1N is quite uncommon. I was lucky to find one but it took years
of waiting for one to appear on Ebay. The 7CT1N appears far more often
on Ebay for about the same price as the 5CT1N ($200 to $300). While
they can both test tubes with my adapter they have some serious
limitations on the plate voltage they can apply to the tube, but more
importantly they are severely limited in how much power they are
capable of. As a result they can only apply a few milliamps of plate
current. This puts real limits on the kinds of tests you can perform.
If you are looking to confirm whether a tube is working or not it will
be capable of determining that for you but if you intended to do any
design work where knowing the tube's parameters and how it will
actually perform in a circuit you would need a 577 curve tracer
instead.

Of all of the curve tracers Tek makes the 577 has the best combination
of weight, size, capability, and availability and "price to
performance ratio"
to meet your needs. That is the one I suggest you consider looking for.

Good luck, Dennis Tillman W7PF

PS I was not aware of ANY curve tracer plugins for the 500 series
scopes until you mentioned the Systron-Donner plugin. Someday I hope
to see one in use so I can see how it works.

-----Original Message-----
From: TekScopes@groups.io [mailto:TekScopes@groups.io] On Behalf Of
Sebastian Garcia
Sent: Sunday, February 11, 2018 6:53 PM
Subject: Re: [TekScopes] Curve tracer plug-in for 500 series.-

Hi Harvey, thank you for your message.

I need a curve tracer, mainly for tubes.
Tek curve tracers seem lovely, but here in this corner of the world
these are not easy to find. And trying to pass a large and heavy used
equipment through the Customs of my country is a random problem.

So, I'm evaluating developing a custom plugin for a 500-series scope,
that's the reason of my request.

Another option would be to buy a 5115 locally (have one in sight), try
to get a reasonably priced 5CT1N from eBay, and use something like
Dennis Tillman's circuit.

Any comments are welcome.

Best regards,
Sebastian.

---
Harvey White wrote:

On Sun, 11 Feb 2018 21:36:49 -0300, you wrote:

I'm looking for technical information on this kind of plugin module,
either standard or custom built.

500 series. Never heard of one. The only plugin I know of is the
5CT1N (for a 5000 series scope) or the 7CT1N for the 7000 series
scope.

The only one I know about is the Systron Donner 9550 [1], but
unfortunately I haven't found any manuals.

Never heard of it myself. Tek did make some curve tracers, but they
seem to go for a lot of $$$$.

You could build yourself one, but then there's the question of analog
or digial, and then how sophisticated you want to be.

You normally need a voltage or current step generator, variable
polarity, and a sinewave sweep, variable polarity. That's pretty
much what's in the 7CT1N series.

Your choice from here.

Harvey

Any data about something like this will be greatly appreciated.

Regards,
Sebastian.

[1] http://w140.com/tekwiki/wiki/File:Systron-Donner-9550-1.jpg

--
Dennis Tillman W7PF
TekScopes Moderator

Hi Sebastian,

The 5CT1N is quite uncommon. I was lucky to find one but it took years of
waiting for one to appear on Ebay. The 7CT1N appears far more often on
Ebay
for about the same price as the 5CT1N ($200 to $300). While they can both
test tubes with my adapter they have some serious limitations on the plate
voltage they can apply to the tube, but more importantly they are severely
limited in how much power they are capable of. As a result they can only
apply a few milliamps of plate current. This puts real limits on the kinds
of tests you can perform. If you are looking to confirm whether a tube is
working or not it will be capable of determining that for you but if you
intended to do any design work where knowing the tube's parameters and how
it will actually perform in a circuit you would need a 577 curve tracer
instead.

Of all of the curve tracers Tek makes the 577 has the best combination of
weight, size, capability, and availability and "price to performance
ratio"
to meet your needs. That is the one I suggest you consider looking for.

Good luck, Dennis Tillman W7PF

PS I was not aware of ANY curve tracer plugins for the 500 series scopes
until you mentioned the Systron-Donner plugin. Someday I hope to see one
in
use so I can see how it works.

-----Original Message-----
From: TekScopes@groups.io [mailto:TekScopes@groups.io] On Behalf Of
Sebastian Garcia
Sent: Sunday, February 11, 2018 6:53 PM
Subject: Re: [TekScopes] Curve tracer plug-in for 500 series.-

Hi Harvey, thank you for your message.

I need a curve tracer, mainly for tubes.
Tek curve tracers seem lovely, but here in this corner of the world these
are not easy to find. And trying to pass a large and heavy used equipment
through the Customs of my country is a random problem.

So, I'm evaluating developing a custom plugin for a 500-series scope,
that's
the reason of my request.

Another option would be to buy a 5115 locally (have one in sight), try to
get a reasonably priced 5CT1N from eBay, and use something like Dennis
Tillman's circuit.

Any comments are welcome.

Best regards,
Sebastian.

---
Harvey White wrote:

On Sun, 11 Feb 2018 21:36:49 -0300, you wrote:

I'm looking for technical information on this kind of plugin module,
either standard or custom built.

500 series. Never heard of one. The only plugin I know of is the
5CT1N (for a 5000 series scope) or the 7CT1N for the 7000 series
scope.

The only one I know about is the Systron Donner 9550 [1], but
unfortunately I haven't found any manuals.

Never heard of it myself. Tek did make some curve tracers, but they
seem to go for a lot of $$$$.

You could build yourself one, but then there's the question of analog
or digial, and then how sophisticated you want to be.

You normally need a voltage or current step generator, variable
polarity, and a sinewave sweep, variable polarity. That's pretty much
what's in the 7CT1N series.

Your choice from here.

Harvey

Any data about something like this will be greatly appreciated.

Regards,
Sebastian.

[1] http://w140.com/tekwiki/wiki/File:Systron-Donner-9550-1.jpg

--
Dennis Tillman W7PF
TekScopes Moderator

Keyboard an mouse are a plus since there are compatibility issues (mostly solvable by adding pullups).

Not the fastest card but lots of channels. I think you mentioned using it on a historical bus so it should be fine.

I don't see any lead sets or grabbers. Price these before you buy.

I don't know what current market prices are....

Ed

On 02/11/2018 11:06 PM, Richard R. Pope wrote:

Ed,
What about this 16702A? https://www.ebay.com/itm/253358003032.
GOD Bless and Thanks,
rich!

On 2/12/2018 12:58 AM, ed beers wrote:

16500 series host processor is dog slow so the user interface is also. It can be pretty painful unless you are really patient.

The listing you link to is populated mostly with pattern generator cards. Great if you need them but I never did.

The one logic analyzer card is slow (35 MHz state/100 MHz timing?).

The cable for the logic analyzer board is ripped.

It isn't clear from the photos that you get any lead sets and grabbers for the logic analyzer board. These are pricey.

If you want a mainframe analyzer I would look for a 16700 or 16900. 16900 may be a little expensive since I think they are still the latest and greatest. These are big and heavy so shipping is a problem.

I like the 167*g series standalone ones although I don't see any great deals on ebay right now.

Ed


On 02/11/2018 02:55 PM, Richard R. Pope wrote:

Paul and Harvey,
What do you think of this 16500? He will include a manual but he says that the OS is built in and that there are no OS disks for it. It has all of the cables. I like the idea of blades. It makes repairing one easier and cheaper in the long run.
Here is the link: https://www.ebay.com/itm/332191371457
GOD Bless and Thanks,
rich!

Logic Analyzers for the S-100 Buss are nice & certainly handle faster issues.
Simpler, non-floppy versions were good at those past cpu frequency & Old S-100 Buss speeds.

A less costly, more primitive but colourful solution to slower S-100 Bus problems was an S-100 Bus Probe with LED's.
I often connected a 4 probe scope up to the individual LED's on it to have a look-see at the S-100 Bus.
Certainly, did not have to monitor the entire bus that often !

Jade made one: { sometimes for sale on eBay }
http://www.s100computers.com/Hardware%20Folder/Jade/Bus%20Probe/Bus_Probe.htm

.pdf manual: { free on the Web }
http://www.s100computers.com/Hardware%20Manuals/Jade/Jade%20BusProbe.pdf

There is also a SOL S-100 Bus bare board on eBay: {for ~ $60. No affiliation. }
https://www.ebay.com/itm/SOL-20-Bus-Probe-for-S-100-computers/152719850055?hash=item238ecffa47:g:9soAAOSwbpRZy-5x

So, why bother with floppies & difficult connectors when something simple & less expensive might do ?
e.g.)

https://www.ebay.com/itm/LHT00SU1-Virtual-Oscilloscope-Logic-Analyzer-I2C-SPI-CAN-Uart-New/132482990740?hash=item1ed89a0294:g:r0sAAOSwImRYP1Fj

_-_-_-_-_ ...