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Re: Looking for Sony-Tektronix 318 Logic Analyser Operator's Guide

 

On Tue, Mar 12, 2019 at 09:07 PM, Kyle Rhodes wrote:


I’ll check and if so look at how feasible it would be to scan it
Thanks for considering that, Kyle,
You probably understood that I'm not looking for the self-evident parts in a user manual but hoping for some nice surprises. It seems likely that the 318 has more tricks than just the simple, self-evident ones.
I'd appreciate if you could have a look and maybe just scan the TOC first, where I could see what I'd be interested in because the whole document may be too much to scan.
Since I live in the Netherlands, sending a photocopied manual probably would be too expensive, although obviously, I'd reimburse you for any costs.
Let's see where your initial effort leads to. Thanks in advance.

Kind regards,

Raymond


Re: Tek Blue Paint - the story goes on ... :-)

ditter2
 

If you are worried about attacking the aluminum, avoid the use of oven cleaner as posted above. Oven cleaner is based on sodium hydroxide (lye). While it is not problem for cast iron as in a metal lathe, it instantly attacks aluminum, creating explosive hydrogen gas in the process. The aluminum panels in many Tek instruments are not actually painted, but rather clad with vinyl, which can be stripped with several solvents that are slightly less dangerous than methylene chloride, such as MEK. (Which can be nasty stuff - focus on "slightly less" dangerous)


Re: DC508 HELP with PHOTOS option 7

 

Hi Miguel,
Because of your posts about Option 7 I decided to finish hooking up my DC508 Option 7 to my TR502 Tracking Generator. The one thing I am missing is the wiring diagram for the TM503 Main Frame.

The interconnect wiring diagram should be on a sheet of paper contained in the Field Modification Kit 040-0789-00. I have jumpers from a different Field Modification Kit so all I need to know is which DC508 rear interconnect contacts go to which TR502 rear interconnect contacts.

Can you send me a copy of the sheet with the wiring diagram interconnections from 040-0789-00.

Dennis Tillman W7PF

-----Original Message-----
From: Miguel Work
Sent: Wednesday, March 06, 2019 11:54 AM

Hi, I had bought a DC508 option 1 for my TR502 7L14. I need to install
option7, TM503 is option7, manual is very clear, but It will be very useful a
detailed photos from cables and connector. Has some body one and can post
some photos?
Thanks
Regards

Miguel



--
Dennis Tillman W7PF
TekScopes Moderator


Re: Looking for Sony-Tektronix 318 Logic Analyser Operator's Guide

Kyle Rhodes
 

Hi Raymond,

I have a 318, but don’t recall if there’s a manual in the top zippered pouch. I’ll check and if so look at how feasible it would be to scan it.

Personally, I’ve never looked for a manual, it was intuitive enough to just use for what I needed it for, which is simple analysis of microcontroller circuits.


Thanks,
Kyle

On Mar 12, 2019, at 4:00 PM, Raymond Domp Frank <hewpatek@gmail.com> wrote:

On Tue, Mar 12, 2019 at 07:28 PM, Roy Thistle wrote:


What part isn't detailed enough?
And one more point, Roy:
The short answer is: dunno.
It's my experience that often, wading through an operator manual saves time in getting acquainted with a piece of equipment, even if I know how it works and what to use it for. Also, I like having things complete.
I am familiar with the HP 16702A and -B and Tek 1240 and TLA7XX models but somehow, I like the cuteness of the Tek 318 (and 308).

Raymond



Re: Looking for Sony-Tektronix 318 Logic Analyser Operator's Guide

 

On Tue, Mar 12, 2019 at 07:28 PM, Roy Thistle wrote:


What part isn't detailed enough?
And one more point, Roy:
The short answer is: dunno.
It's my experience that often, wading through an operator manual saves time in getting acquainted with a piece of equipment, even if I know how it works and what to use it for. Also, I like having things complete.
I am familiar with the HP 16702A and -B and Tek 1240 and TLA7XX models but somehow, I like the cuteness of the Tek 318 (and 308).

Raymond


Re: Looking for Sony-Tektronix 318 Logic Analyser Operator's Guide

 

On Tue, Mar 12, 2019 at 08:50 PM, Raymond Domp Frank wrote:


a 50 MHz (1 mega-sample) logic analyzer
Hi again Roy,
1 mega-sample?

Raymond


Re: Looking for Sony-Tektronix 318 Logic Analyser Operator's Guide

 

On Tue, Mar 12, 2019 at 07:28 PM, Roy Thistle wrote:


My question is why: what can one do with a 50 MHz (1 mega-sample) logic
analyzer...that you can't do with a cheap p.c. based one? (Am I missing
something fun?)
Hi Roy,
You're frighteningly close to touching on the very reason for groups like this to exist...

Raymond


Re: 577 Curve tracer ringing CRT and noisy step generator

DW
 

Power supply measurements not bad

+12V measured +11.98DC 0.001AC ripple
-12V measured -11.73DC 0.001AC ripple
+200V measured 211.4VDC 0.386AC ripple
-30V measured -29.97DC 0.001AC ripple
+30V measured +30VDC 0.001AC ripple


Re: Looking for Sony-Tektronix 318 Logic Analyser Operator's Guide

Harvey White
 

On Tue, 12 Mar 2019 11:28:15 -0700, you wrote:

Hi:
It seems the Army one has a reasonable operator's section (Chapter 4?). What part isn't detailed enough?
My question is why: what can one do with a 50 MHz (1 mega-sample) logic analyzer...that you can't do with a cheap p.c. based one? (Am I missing something fun?)
Well, if you regard signature analysis as fun, then you can do that.
The 308 was more limited, but if you're looking at vintage electronics
that uses signature analysis, that's not a bad thing to have
available.

The cheap PC based ones make a lot of use of the PC processing power
that wasn't available at the time. However, standalone can be good.
(I do use logic analyzers, an HP16702B, for instance), but the latest
project uses a 10 dollar logic analyzer box, but it's used more for
I2C and serial data analysis than logic analysis.

Harvey


Regards.



Re: Looking for Sony-Tektronix 318 Logic Analyser Operator's Guide

Roy Thistle
 

Hi:
It seems the Army one has a reasonable operator's section (Chapter 4?). What part isn't detailed enough?
My question is why: what can one do with a 50 MHz (1 mega-sample) logic analyzer...that you can't do with a cheap p.c. based one? (Am I missing something fun?)
Regards.


Re: Tektronix 015-0580-00 Pocket Signal Generator

ditter2
 

This generator was designed as a sales tool, to be used to demonstrate a particular feature in the TDS600 series which had a competitive advantage at the time. I don't recall the feature, perhaps InstaView - a probability density display feature that allows differentiation of portions of the waveform that occur at significantly lower rep rate than the the portion which repeats every acquisition. Most modern DSO incorporate tools similar to this today.

As it only generates on-y this one signal solely for a pre-sales demonstration, this generator is not particularly useful for general use.


Re: WTB 7104 Instruction Manual Revised Jul 1987 (070-2314-00)

ArtekManuals <manuals@...>
 

Bill
I (and I am sure Q-Service does too) appreciate your moral character... 8^)
Dave
ArtekManuals

On 3/12/2019 8:21 AM, Bill wrote:
Dave:
After researching the source of this 7104 manual FEB 1989 I see that I did buy it from QSERVICE Nikolaos Kapetanakis for $US 9.49.
So I don't feel good at all in sending this PDF to anyone and/or making it available on TEKWIKI and I am NOT going to do this.

This is a great copy that took some time to scan and QSERVICE deserves to make money on this just like Artekmanuals.

I would ask all of you to go to QSERVICe at www.qservice.tv and pay him for a copy.
At least those of you who need this latest manual now know where to get a copy.

Bill


--
Dave
Manuals@ArtekManuals.com
www.ArtekManuals.com


Re: WTB 7104 Instruction Manual Revised Jul 1987 (070-2314-00)

 

Dave:
After researching the source of this 7104 manual FEB 1989 I see that I did buy it from QSERVICE Nikolaos Kapetanakis for $US 9.49.
So I don't feel good at all in sending this PDF to anyone and/or making it available on TEKWIKI and I am NOT going to do this.

This is a great copy that took some time to scan and QSERVICE deserves to make money on this just like Artekmanuals.

I would ask all of you to go to QSERVICe at www.qservice.tv and pay him for a copy.
At least those of you who need this latest manual now know where to get a copy.

Bill


Re: Off Topic -- DC508 replacement display

Miguel Work
 

Good job!!!!!

-----Mensaje original-----
De: TekScopes@groups.io [mailto:TekScopes@groups.io] En nombre de scskits
Enviado el: martes, 9 de octubre de 2018 23:47
Para: TekScopes@groups.io
Asunto: [TekScopes] Off Topic -- DC508 replacement display

Users on the TEK500 group suggested I re-post this here.

For those interested, I have been working on a DC508 display replacement board starting with a design from Steve M. that was I think was derived from Paul's design from back in 2013. Basically I made changes to the board for fit and to put all of the SMT parts on the display side in the correct orientation. The diodes that isolated the decimal points were changed to dual diodes in series to slightly reduce the brightness. Also added 100 ohm series resistors in line with the display segment drive lines in case the brightness there needed adjusting. I still have to reduce the brightness of the discrete LEDs, even the low output LEDs of today are brighter than the originals TEK used. For now I will likely just change the resistors on the DC508 main board or add resistors in series in line on the LED cable harness. I think that the Mouser LED I have on the BOM now should be less bright than the ones I currently use, but have not purchased any yet to try.

See pictures at: https://groups.io/g/TekScopes/album?id=74895

I have two assembled boards and 8 extra bare boards. Note: board finish is tin/lead HASL, not RoHS compliant.
All parts are in stock and available at Mouser for about $30.
I can supply the remaining bare boards for $20 each plus shipping.
If there is enough interest I can get another batch of boards.
These are all SMT parts except for the headers...
I have not decided on a price yet for the assembled boards, they take about 2 hours to build..

If interested send me your PAYPAL e-mail direct and I will invoice for the board + shipping. I think I can do first class mail on these.
If they run out, I will let you know if/when more will be available

ed


Re: DC508 HELP with PHOTOS option 7

Miguel Work
 

Thanks!! Now is working, some traces in option board were shorted, manufacturing defect in PCB, I was going crazy, I almost did not see it.

Some photos

https://groups.io/g/TekScopes/album?id=86699

https://groups.io/g/TekScopes/album?id=86278



-----Mensaje original-----
De: TekScopes@groups.io [mailto:TekScopes@groups.io] En nombre de scskits
Enviado el: viernes, 8 de marzo de 2019 23:16
Para: TekScopes@groups.io
Asunto: Re: [TekScopes] DC508 HELP with PHOTOS option 7

To use option 7, you will have to add the components to the multiplier board, including the two ribbon cable connectors. You will then need to make up the mating cables and solder the wires to points on the main circuit board. There may also be some trace cuts on the main circuit board. The DC508 manual should have a section on option 7 and how it interconnects with the main board. Getting the manual for the DC508 is the first step...


Re: PG506 Repair - 20v & 50v standard amplitude is low

N3SWR
 

Solved....

After tearing into the PG506 for a while and re-verifying the divider networks to no avail, I discovered a bad BNC cable between the 3456A and GenCal resistor decade I was using. The darn thing had 38KΩ of resistance between the center conductor and shield - just enough to load down the network I was testing. That drove me crazy for days...

I figured I would post it here to close this out and not just leave it hanging in the breeze which irritates me, and others may learn from it - verify your test gear always ;)

Thanks to the group for the help as well ;)


Looking for Sony-Tektronix 318 Logic Analyser Operator's Guide

 

If not too off-topic (it's not a 'scope, really, and too digital):
Does anyone have a PDF of this available? The Service Manual (military version) is available on the Internet but as indicated, I'm looking for the Operator's Guide.
A Reference Guide seems to exist as well. That too could be helpful.

Thanks in advance!

Raymond


Re: 577 Curve tracer ringing CRT and noisy step generator

DW
 

I will check the power supply for ripple and invest in a LCR meter to check the capacitors. It seems they make 100 kHz LCR meters you can check capacitors in circuit, maybe I will take a look at that.


Re: TM5xx extenders

Bill Carns
 

Really good info - Thanks - I was about to make up one of those kits

-----Original Message-----
From: TekScopes@groups.io [mailto:TekScopes@groups.io] On Behalf Of ditter2 via Groups.Io
Sent: Monday, March 11, 2019 6:23 PM
To: TekScopes@groups.io
Subject: Re: [TekScopes] TM5xx extenders

A word of caution about these extender kits. I have seen these postings on e-bay from time to time and noticed that these kits use a simple circuit board whose edges are either sheared or more likely, routed with a tungsten carbide cutter. Mating the edge that plugs into the mainframe connector will likely damage it on the first insertion. The edge card connectors in the mainframe are plated with hard gold, to a thickness of 100 or 250 micro inches, depending on the vendor. This is a relatively thin plating for a connector that sees a lot of cycles. To be honest, the mainframe connectors used by Tek were not a good choice for this application. They were intended for use in semi-permanent applications, where the only cycling would be board replacement during servicing – not a plug-in where they may see hundreds of cycles in normal life. The vendor’s data sheet for the connectors stated that there design life is only 25 mating cycles. Note that exceeding this cycle count does not necessarily mean the connector would fail, but rather the specifications for contact resistance would not necessarily be met after 25 cycles.

Tek mitigated this short life by treating the male mating fingers on the edge of the plug in. If you look closely at any TM500/5000 plug-in, 5000 series scope plug-in and the Tek made extender cables, you will note several things. First, the fingers themselves are gold plated with 100 micro inches of hard gold over a nickel plate. Copper and nickel are much harder that hard gold and will deform it when mated. More important, the mating edge is treated in two manners. First, it is chamfered to a 45 degree angle with a carbide router bit by the board fabricator. This is essential to prevent the exposed glass fibers from the board edge from scraping the gold off the connector. Again, a single mating with an epoxy glass circuit board into one of these connectors can remove considerable amount of the gold plating from the connector, rendering if venerable to corrosion in high humidity environments.
While the chamfering reduces the likelihood of glass scraping the connector when mating, the step where the circuit board foil trace mates would still scrape when it mates. Tek prevented this by “rolling” the chamfered edge of the circuit board. The finished board after plating is ran through a pair of conical rollers that actually smashes the circuit board which reduces the thickness of the plated board fingers, allowing them to partially engage into the connector before beginning to deflect the spring function of the contacts. Thus, there is no edge scraping on the connector during the mating process. The board edge engages before it begins to force the contacts open.

Users who buy these extender kits can do some of these steps to improve them to prevent connector damage. Using a file, it is possible to put a chamfer on the mating edge. A short length of steel rod can be used as a roller to manually squeeze the connector edge. The only thing the user cannot do easily is add the gold plating, but the contribution of plating is minor compared to the problems of mating a rough exposed epoxy glass board into the mainframe connector.


Re: Tektronix 015-0580-00 Pocket Signal Generator

tekscopegroup@...
 

Thank you. Yes I saw that page before, but info is still very limited. Was hoping for a spec sheet or manual.

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