EHT power supply design and construction

shortbus

Joined Sep 30, 2009
10,049
So now it's work already done! So definitely copy post to blog for future use in tutorials:)!
That's what I was thinking.

There must be a different name for that type connector. Or it just stumps Google. The only reason I'm pressing this is in other parts of the thread you guys are so very precise and use names for things not in common use for the "thing". :)
 

Thread Starter

Aleph(0)

Joined Mar 14, 2015
597
That's what I was thinking.

There must be a different name for that type connector. Or it just stumps Google. The only reason I'm pressing this is in other parts of the thread you guys are so very precise and use names for things not in common use for the "thing". :)
Shortbus it's just _Federal Standard Connector_ but since that's too discipline specific and cerebral for Google, it gives more hits from descriptive search term like _Federal x-ray Connector_ which is just lame:rolleyes:!

So anyhow if you want _Federal Standard Connector_ to be easily searchable on Google, all u need 2 do is get some tawdry celebrity to make news using one as BDSM whip or like that cuz Google's become the _New National Inquirer_ which I say is vry sad cuz Google used 2b awesome search tool:(!

ETA Maybe my Google bashing was premature THIS TIME:rolleyes:! Cuz I get 17,700,000 hits on _federal standard connector_ and only 4,810,000 hits on _federal x-ray connector_:)
 
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Ya’akov

Joined Jan 27, 2019
10,259
Shortbus it's just _Federal Standard Connector_ but since that's too discipline specific and cerebral for Google, it gives more hits from descriptive search term like _Federal x-ray Connector_ which is just lame:rolleyes:!

So anyhow if you want _Federal Standard Connector_ to be easily searchable on Google, all u need 2 do is get some tawdry celebrity to make news using one as BDSM whip or like that cuz Google's become the _New National Inquirer_ which I say is vry sad cuz Google used 2b awesome search tool:(!

ETA Maybe my Google bashing was premature THIS TIME:rolleyes:! Cuz I get 17,700,000 hits on _federal standard connector_ and only 4,810,000 hits on _federal x-ray connector_:)
DuckDuckGo gives this:

upload_2019-3-28_5-1-48.png

So, the first result (after an ad) is spot on.

There is a standard, NEMA XR7, for such assemblies, but NEMA documents are pricey.
 

shortbus

Joined Sep 30, 2009
10,049
And Google only give links to Federal Connector company? When did the 'Standard' come into this? I must have totally missed it. when you add the word 'standard' it does work on Google. BUT, when you search for Federal Connector (which is what has been used before post #1942) this is what you get - https://www.google.com/search?clien...1......0....1..gws-wiz.......0i71.C7kXxt6GKtw

It just seemed strange that up until now you have insisted on complex names for things, and slacked off when it really mattered. :confused::(
 
It just seemed strange that up until now you have insisted on complex names for things
And I would argue that we endeavour to be descriptive wherever possible/applicable!:)

and slacked off when it really mattered. :confused::(
Not at all! -- Hence post #1939:cool:

To be clear, 'Mini-Fed' is a wholly 'concocted' noun - based upon said "kludge's" (perhaps fanciful?:oops:) resemblance to a diminutive Federal Standard Connector:)

Hey @shortbus -- Please know that your input is genuinely valued and always welcome! -- It is both proper and hoped that you continue to bring your concerns to our attention! - Down to and including mere matters of dialect-specific synonyms, etc... As with many here, our ability to recognize constructive criticism was greatly enhanced via the 'exodus' of politics and politically motivated 'pot stirrers'...

Very best regards
HP:cool:
 
But this pic definitely concerns me cuz u didn't explain how banana plug is centered in CPVC plug shuttle! So I say u need 2 explain that!
As you might reasonably have assumed -- I was with intent to "explain that" in the course of --would you believe?-- the construction 'phase' of the tihidi:rolleyes: -- Might I inquire as to what part of 'overview' you find incomprehensible?

Inasmuch as your carping has --once again-- resulted in my gmail inbox being fairly choked with inquiries (thank you!:rolleyes:) -- here it is:

1) Start with a common (i.e. non-shielded, cylindrical insulator) banana plug assembly attached to a 70cm length of suitable EHT insulated lead...

2)
Axially wrap the polymer insulator body with PTFE tape to such an OD that a 'snug fit' inside the nominal 0.5" (CTS) CPVC 'shuttle' is achieved (the banana plug is now centered in the shuttle).

3) Mount an insulated 'banana plug socket' to a horizontally aligned flat surface.

4) Position the 'plug-end' of the banana plug insulator flush with the 'rim' of the CPVC shuttle.

5) Grasping the shuttle, fully insert the banana plug into the 'banana plug socket' (mounted/positioned as described in step #3) then continue to apply longitudinal thrust such that the shuttle 'slides down' over the plug into full contact with the surface -- correct banana plug-to-'shuttle rim' setback is now established.

6)
Dress the EHT lead, then fill the 'lead end' of the shuttle with high-temp acrylic 'hot melt' adhesive compound (do not apply adhesive to the 'plug end' of the assembly!), allow the adhesive to 'cure' undisturbed. The banana plug is now 'locked' in the shuttle.

Note that, although the adhesive does not bond to PTFE, the latter is secured via 'interlocking action'...

@Aleph(0) --- Be advised that your penchant for distraction/delay-inducing 'asequential' requests and demands is not appreciated!:rolleyes: -- Indeed! I'm a hair's breadth (hare's breath?;)) from insisting that you present the EHT Indicator tihidi!

In dead earnest
HP
 
Kind friends and correspondents:

I have prepared the following images in the hope that such might 'answer' many of your questions arising from post #1946 (immediately above)...

Without desire to appear dismissive, I ask you to please understand that time constraints coupled with a desire to 'move forward' with presentation of these projects in a timely, orderly, fashion precludes individual response to your copious inquiries! Further to that, for reasons of pedagogical integrity and physical safety of the reader, I have no desire to encourage/enable 'building ahead' of the articles...

Hence, with the exception of emergent safety advisories, this will be my final 'out of sequence' construction related presentation! That said, we will be happy to assist readers following publication! -- Thanks for understanding!
///////

Image of a 'standard' banana plug featuring a cylindrical insulator body



'Connector-end' view of 'Mini-Fed' plug assembly; Note banana plug centered in CPVC 'shuttle' via PTFE tape 'swaddling'.
Note also the setback of the banana plug assembly such that the cylindrical insulator will not interfere with the (slightly raised) banana plug socket (at the base of 'Mini-Fed' wells).





'Test lead end' view of the assembly:




transformed parasagittal perspective of completed 'Mini-Fed' connector


Very best regards
HP:)
 
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@Aleph(0) --- Would you kindly get round to editing your recent posts (Spec change each occurrence of 'Federal Connector' to 'Federal Standard Connector') such I might correct quotation of said posts and get on with my life --and-- the tihidi?

Oh... BTW, @Aleph(0) - As stated, I plan 'roll-out' of the EHT indicator 'overview' and the associated construction article in full by the end of next week! -- On my word! should you once again 'toss a spanner' into said plans (Via --Including while not limited to-- insistence upon advance discussion, nit-picking, bickering with Theo & other team members and sporadic 'desertion' -- the presentation is all yours! Got it?

In dead earnest!
HP
 
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Thread Starter

Aleph(0)

Joined Mar 14, 2015
597
@Aleph(0) --- Would you kindly get round to editing your recent posts (Spec change each occurrence of 'Federal Connector' to 'Federal Standard Connector') such I might correct quotation of said posts and get on with my life --and-- the tihidi?
HP so ok! I THINK I got all of them on this thread:)!

Oh... BTW, @Aleph(0) - As stated, I plan 'roll-out' of the EHT indicator 'overview' and the associated construction article in full by the end of next week! -- On my word! should you once again 'toss a spanner' into said plans (Via --Including while not limited to-- insistence upon advance discussion, nit-picking, bickering with Theo & other team members and sporadic 'desertion' -- the presentation is all yours! Got it?
HP I say EITHER U WANT IT PROOFED OR U DON'T! So all I can say is make up your mind:rolleyes:! Now abt _advance (out of sequence) discussion_ that was totally pressure coming from other CDT members and I was just _messenger_! So don't _shoot_ me cuz they're too lazy 2 register on here:rolleyes:!

insistence upon...bickering with Theo & other team members
HP I was just telling them 2 register and speak for themselves! So one thing I think u don't get is that I'm totally happy to ignore their _behind the scenes_ agro and just move on with planned presentations! HP as far as I can see ur just enabling their laziness by paying attention to THEIR 2'nd hand nitpicking! Now I totally own origination of suggestion that u needed to introduce Federal Standard Connector (for continuity with _mini-fed_) and I totally stand behind that! But detail of making mini-fed plug (which u showed in post 1947) was intended for tihidi NOT overview! So I know UR POed at JC and all that but don't take it out on me cuz I'm just running interference between shrinking violet _teams_ and thread!

@Aleph(0) --- Be advised that your penchant for distraction/delay-inducing 'asequential' requests and demands is not appreciated!:rolleyes: -- Indeed! I'm a hair's breadth (hare's breath?;)) from insisting that you present the EHT Indicator tihidi!
On my word! should you once again 'toss a spanner' into said plans (Via --Including while not limited to-- insistence upon advance discussion, nit-picking, bickering with Theo & other team members and sporadic 'desertion' -- the presentation is all yours! Got it?
HP Oooh! I'm scared:p! So now I say maybe I should call your bluff? Cuz maybe you wouldn't like the way I'd present it;)? So go ahead! Make my day:p:D!
 
maybe I should call your bluff? Cuz maybe you wouldn't like the way I'd present it;)? So go ahead! Make my day:p:D!
But then you forget I know you!;) -- Not in a million lifetimes would your pride allow you to 'muff' the presentation merely to spite me!:p

:eek: Feel lucky, punk? :p:D
All of which reminds me... For some unaccountable reason - I liked Eastwood far better in the role of a taciturn, 'mini-cigar obsessed', drifter than that of a foul-mouthed cop!:confused: -- Guess I'm weirdo_O:D

TTFN
HP:)
 

Thread Starter

Aleph(0)

Joined Mar 14, 2015
597
All of which reminds me... For some unaccountable reason - I liked Eastwood far better in the role of a taciturn, 'mini-cigar obsessed', drifter than that of a foul-mouthed cop!:confused: -- Guess I'm weirdo_O:D
HP u know I totally agree that TGTBATU was an Eli Wallach movie! Cuz not only is Eli a 1,000,000 times better actor but Eastwood's character had almost no lines and even though he was supposed 2b the smart one the reason he always won was just dumb luck (like cannonball hitting hotel at just right moment saving his life and _Bill Carson_ showing up in desert just as _Tuco_ was pulling trigger 2 shoot him!)

So I totally get all that abt _artistic license_ but I can't understand how Eastwood got top billing in movie when Eli Wallach had all the talent and most of the lineso_O!
 

cmartinez

Joined Jan 17, 2007
8,788
HP u know I totally agree that TGTBATU was an Eli Wallach movie! Cuz not only is Eli a 1,000,000 times better actor but Eastwood's character had almost no lines and even though he was supposed 2b the smart one the reason he always won was just dumb luck (like cannonball hitting hotel at just right moment saving his life and _Bill Carson_ showing up in desert just as _Tuco_ was pulling trigger 2 shoot him!)

So I totally get all that abt _artistic license_ but I can't understand how Eastwood got top billing in movie when Eli Wallach had all the talent and most of the lineso_O!
1wpuie.jpg
 

Jazz2C

Joined May 27, 2016
52
To 'initialize' your blog you must:

1) Visit the AAC home page.
2) 'Hover' over the circular representation of your avatar (upper right-hand area of said page).
3) Click on 'Blog' (which being the third item from the top of the resultant 'drop-down' menu).

You will then be prompted to create your initial blog entry - following submission of which your blog will be active and linked from your personal menu...

Said options are accessed via a 'scroll menu' near the bottom of entry creation/edit forms under 'More options' → 'View your entry'...
Sweet! As a test I downed the schematic of that BW LPFM transmitter from the web and re ULed to my blog! Should display full size to everyone, guests included, right?

Relax, ppl! I'm not aiding and abetting pirate broadcasters! It's just a test pix! Can we take it as a given that anyone needing design advice also needs the missing component values? You bet we can! IMO it's an awesome example of designing with cascode oscillators! So I like it! That's why I used it!

@Hypatia's Protege Just one more question! How do you link pix in private blog entries for public view?

I'm very pleased with the blog and my ability to ul files! Now if Zen holds I can be a contributor not just a flyby commentator!

@Aleph(0) Go easy on the classics! Wallach was a true artist and Eastwood was a great showman! It takes both! And get this! The flick was an accidental anti-tobacco PSA! After escaping the shelled hotel, Blondie's chain smoking left a trail for the bandit Tucow to follow! And ONE DRAG off one of those ciggys euthanized the wounded soldier in less than a minute!:eek:

SERIOUSLY! Both of us are greatly indebted to @Hypatia's Protege for introducing us to REAL entertainment!:cool:

The answer is, 15.
@shortbus how I heard it, it's "the question is 42":confused:;)

In case it matters, my answer to A0 is "Showmen get top billing and name recognition. Artists get multidimensional characters and more lines." I bet she already knows that:confused:

The Eastwood meme says: Deserve's got nothing to do with it

@cmartinez As well as it works for Blondie's lightning draw, I believe the text of that meme belongs to Angeleyes on basis of attitude alone;)

I love the shootout at the end of the picture! I had a class A jackass of an assignment crazed sixth grade homeroom teacher who looked enough like Angeleyes for his death scene to be therapeutically cathartic:D



 
Should display full size to everyone, guests included, right?
Yes, of course - Assuming you correctly set the view options... --- You may log out and test it for yourself...

Relax, ppl! I'm not aiding and abetting pirate broadcasters!
Thanks for telling us that! I'm certain none of us would have slept a wink all night for pondering the imponderableso_O

IMO it's an awesome example of designing with cascode oscillators!
Agreed (sincerely)!:)

@Hypatia's Protege Just one more question! How do you link pix in private blog entries for public view?
Merely link the "image location" in the usual fashion --- Of course such implies that attachments to 'restricted access' blog entries are neither encrypted nor otherwise protected (beyond conditional automation of linkage thereto) -- The 'viewer list' feature is provided merely as a convenience (e.g. allowing one to compose and proof an entry prior to publication) it is not intended to secure attachments... IOW: Take care you don't 'Paris Hiltonize' yourself:rolleyes::rolleyes::rolleyes:

...I can be a contributor not just a flyby commentator!
Well then....?

SERIOUSLY! Both of us are greatly indebted to @Hypatia's Protege for introducing us to REAL entertainment!:cool:
Methinks somebody's stooging for a gold star:rolleyes:

The answer is, 15.
'The 15:17 to Paris', perhaps?:confused:

Very best regards
HP:)
 
@Aleph(0) @cmartinez @Jazz2C @shortbus et al

Well hey! I'm 'all set' to begin the EHT Indicator overview/construction example (aka 'tihidi').

Please note that the overview is merely an intro to the instrument inclusive of sub-assembly identification (for ready reference in the 'tihidi') - While the 'tihidi' proper will provide minute detail Re: construction of said assemblies...

Please advise me of any 'last minute' concerns/editorial suggestions...

@shortbus Re: your excellent internal d'Arsonval mounting scheme -- Another question:oops: -- Please advise as to mounting of movements featuring 'domed' windows (I'm considering advising against use of such indicators or, where possible, replacing the 'dome' with an appropriately 'spaced' 'flat' glass window? -- Please know that this is in no way a major issue inasmuch as such indicators have become rather 'rare items'... Still -- as per 'Murphy' -- someone's bound to ask:rolleyes:
:cool:


To all prospective builders: Please be advised that the 'immutable requirements' of the indicator movement are as follows:

1) Our passive (and, hence, well-neigh 'bullet-proof') design requires that the movement operates from rather low current (ideally 100μA full-scale) are 'dropping' resistances to remain within appropriate/practical range...

2) Said movement must be of electromechanical --as opposed to-- electronic/'digital' topology (For electrical ruggedness/reliability/'forgiveness' in diverse EHT environments) -- Hence my strong suggestion of a true d'Arsonval movement...

3) The movement must be easily readable (via optical instrumentation if necessary) from several meters' distance (for enhanced electrical/radiological safety during operation of the equipment under test).

Very best regards
HP:)

Edited to 'strike' an (in retrospect) ill-advised 'subtle joke' likely to have gone awry:oops::oops::oops:
 
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shortbus

Joined Sep 30, 2009
10,049
Re: your excellent internal d'Arsonval mounting scheme -- Another question:oops: -- Please advise as to mounting of movements featuring 'domed' windows (I'm considering advising against use of such indicators
Don't think I've ever seen an indicator with that type of face. Since the Faraday screen is 'flexible' wouldn't it deform when all of the parts are assembled to the case? Can you show a photo of the type of indicator your talking about?
 
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