germanium diode

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Cliff Schecht
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Re: germanium diode

Post by Cliff Schecht »

Andy, I grabbed a handful of all of the diodes I could find today. I will have to google around to find out what is actually germanium and what is of no use for you.
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Cliff Schecht
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Re: germanium diode

Post by Cliff Schecht »

Alright, found some big old 1N34 (not 1N34A) diodes. I've got about 15 here if you're still interested. $20 a piece sound good?

JK! Got any octal or nine pin sockets you could trade for?
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Rich M
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Re: germanium diode

Post by Rich M »

Cliff Schecht
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Re: germanium diode

Post by Cliff Schecht »

From the webpage you just posted:
FWD Voltage Drop(VF): 1.0V @ 5.0 mA
Hrmm... Not very germanium like.
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Rich M
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Re: germanium diode

Post by Rich M »

Good point. I have some somewhere. I'll try and dig them up and measure them. Maybe they rounded :? :wink:

Actually, the datasheet link shows they are point-contact diodes so the higher forward voltage is probably due to increased series resistance. Might sound good, might sound like crap.
Andy Le Blanc
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Re: germanium diode

Post by Andy Le Blanc »

There's difference with the material, less perfect maybe, less harsh.
I've heard it said about germanium transistor too.
Surprised to hear it in a even in a clipper, the stomp box junkies aren't crazy.
I have heard that the real issue is how consistent it is, not the same purity as silicon devices.

pm me about some sockets I've got a few I can pull off and clean up a bit.

a couple different types and mounting.
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ER
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Re: germanium diode

Post by ER »

Slightly off topic, be careful not to overload your germanium diodes, especially the ones in your ears;

http://www.youtube.com/watch?v=d9I83TEFe0Q

-e
Cliff Schecht
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Re: germanium diode

Post by Cliff Schecht »

Andy, I found a much larger stock of 1N34's if you're still interested. I think there are a few hundred at least..
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Structo
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Re: germanium diode

Post by Structo »

ER wrote:Slightly off topic, be careful not to overload your germanium diodes, especially the ones in your ears;

http://www.youtube.com/watch?v=d9I83TEFe0Q

-e
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Structo
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Re: germanium diode

Post by Structo »

I hadn't heard, but Cub Koda the guitarist for Brownsville Station died from kidney disease in 2000.
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Aurora
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Re: germanium diode

Post by Aurora »

Genuine OA 95 - 20 pcs... don't get more germanium than that!
20$ a piece, was it ???? :lol:

Which diodes are you looking for, Andy...???
Andy Le Blanc
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Re: germanium diode

Post by Andy Le Blanc »

Oa95 have very few web results, found a very nice crystal radio site.

assoc.pagespro-orange.fr/f5zv/RADIO/RM/RM34/RM34b01.html

I'm still surprised they're suddenly hard to find in my area.
I think they were 1n60, but anything in ball park will work.

The device has a response curve relative to V and ma, and it sounds good.
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Aurora
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Re: germanium diode

Post by Aurora »

Here's your data sheet, curves and all... looks like from an old Philips book..
OA 95 was typically used as a single diode AM demodulator, but is normally listed as gen. purpose rectifier

http://www.datasheetarchive.com/pdf-dat ... -88582.pdf

If you are seriously interested, I do have quite a bit of "antique" stuff, quite a lot of signal level tubes too, but my stash is rather unsorted after 2 house moves.
jc_lbc
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Re: germanium diode

Post by jc_lbc »

Sonny ReVerb wrote:I would buy them here: http://www.futurlec.com/DiodesGen.shtml#General

They're a nickel apiece and shipping is reasonable. I've ordered from them many times. Shipping can be slow, but the price is right. Not quite American, tho...
Just saw this and thought I should register in case anyone was thinking of buying these. I order a lot of stuff from Futurlec for my effects building biz and it's worth noting that the germaniums I got from them were silicon "workalikes."
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