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Shin e companion fuzz transistor question

Started by jimbob, July 29, 2008, 10:18:01 PM

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jimbob

July 29, 2008, 10:18:01 PM Last Edit: July 29, 2008, 10:43:16 PM by jimbob
I built this with 2n3440. Are there better transistors that should be used? http://www.st.com/stonline/books/pdf/docs/4080.pdf
"I think somebody should come up with a way to breed a very large shrimp. That way, you could ride him, then after you camped at night, you could eat him. How about it, science?"

jimbob

#1
July 30, 2008, 01:39:32 AM Last Edit: July 30, 2008, 02:32:06 AM by jimbob
According to M Hammer at his site
QuoteThe unit uses 2SC536F transistors. The F-suffix indicates 536's with hfe values in the 180's to 240's or so]The unit uses 2SC536F transistors. The F-suffix indicates 536's with hfe values in the 180's to 240's or so

Maybe I need something more like Bc108/9's or 2n3904 ect..? It seems those might even be too high. Or does that matter? What is the highest HFE? Or is the ideal medium gain? I assume after 250 hfe it may not matter. however, I think the ones in it now are too low gain.

The good news is theres a Cross Reference Match For: 2SC536 =  NTE85 for $1.29 through Mouser. Hope Steve at Smallbear starts selling an equivalent. Heres the data sheet- This is missing the "f" though http://www.nteinc.com/specs/10to99/pdf/nte85.pdf

"I think somebody should come up with a way to breed a very large shrimp. That way, you could ride him, then after you camped at night, you could eat him. How about it, science?"

jimbob

#2
July 30, 2008, 04:15:32 AM
Heres a good website- This one uses different transistors though. http://members.fortunecity.com/uzzfay/fy2/fy2.html#fy-2schem

Transistors in this are C536 F7G
"I think somebody should come up with a way to breed a very large shrimp. That way, you could ride him, then after you camped at night, you could eat him. How about it, science?"

jimbob

#3
August 04, 2008, 03:08:17 AM
"I think somebody should come up with a way to breed a very large shrimp. That way, you could ride him, then after you camped at night, you could eat him. How about it, science?"

Dan N

#4
August 04, 2008, 04:23:34 AM
Quote from: jimbob on August 04, 2008, 03:08:17 AM
This is also really cool! http://users.rio.com/senorris/junk/fy-2tb.gif

That was my perhaps too elaborate notion. Lifting the 0.1 cap from ground would probably get a similar result> (louder!). As is, the FY-2 is a wonderful dry scratchy fuzz, but not very loud.

Any silicon transistor in 200 to 400 range that fits your pcb should work fine.
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