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City: Irvington, NY
As a reference to the details of detection in general and specifically the plate detector, you might want to take a look at this:
http://www.ax84.com/static/rdh4/chapte27.pdf
It is a chapter from the Radiotron Designer's Handbook, the definitive reference for radio design in the 30's and 40's.
Plate detector is covered starting on page 13 of the PDF.
Messages In This Thread
RE: 90 restoration - by Mondial - 01-04-2014, 02:57 PM
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Recent Posts
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PT 6 chassis screws size???
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Have this done except for missing chassis screws.
It looks like 1 inch 6/32 sheet metal screw may work but can anyone s...bridkarl — 10:32 PM |
Philco model 38 code 121 not receiving signal.
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Hello Stormlord,
Well done on rewinding that coil it turned fairly good for your first one.
Sincerely Richardradiorich — 09:12 PM |
Philco model 38 code 121 not receiving signal.
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Well here it is. It ain't pretty, but hopefully it'll work.
I checked it with my DMM on continuity and it keeps and r...Stormlord5500 — 08:56 PM |
Philco 42-345 Restoration/Repair
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Yes, 57 is an electrolytic cap that should be 12 mfd 400 volts according to the parts list from the Phorum library schem...RodB — 06:01 PM |
Philco 42-345 Restoration/Repair
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Looks like if I am reading it correctly it looks like the silver capacitor#57 that appears to be a replacement is of a l...osanders0311 — 05:09 PM |
Philco model 38 code 121 not receiving signal.
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Thanks Arran. Yeah this plastic is pretty thin. It's a little thinner than the original stuff. It kinda reminds me of p...Stormlord5500 — 04:37 PM |
Testing a speaker and output transformer Trutone A2-G
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The equivalent of one short turn is basically the same as that of a shorted load.
If it is the primary's turn, then the ...morzh — 03:53 PM |
Testing a speaker and output transformer Trutone A2-G
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I've never had an output transformer become shorted, the failure mode is usually an open primary, or in a center tapped ...Arran — 03:52 PM |
Philco model 38 code 121 not receiving signal.
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As long as the plastic sheeting isn't too thick, I think that the thickness of photographic film would be just about rig...Arran — 03:19 PM |
Philco model 38 code 121 not receiving signal.
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Well why not! :lol:Stormlord5500 — 03:14 PM |
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