[sdiy] MPF102 replacements

[Dave Kendall]

On Sep 11, 2011, at 16:20, Paul Schreiber wrote:
> What's wrong with this one?

I certainly don't know, but I've seen it cropping up often on stompbox  
forums, along with the BS170 and 2N5457 as replacements for unobtanium   
FETs.

Paul S - do you (or anyone else) have an opinion to share on the part  
and its usefulness in synth circuits? -  Is it any good in synth apps,  
particularly in VCO cores?

cheers,
Dave

>
> http://www.mouser.com/ProductDetail/ON-Semiconductor/2N7000G/? 
> qs=sGAEpiMZZMtqO%252bWUGLBzeB09WK6V0tea
>
> ----- Original Message ----- From: "Ian Smith"  
> <taciturn_unquiet at hotmail.com>
> To: "synth diy" <synth-diy at dropmix.xs4all.nl>
> Sent: Sunday, September 11, 2011 9:38 AM
> Subject: Re: [sdiy] MPF102 replacements
>
>
>
>
>> Ken stone recommends these, in a link referring to alternatives for  
>> the
>> MPF102 in the VCO section of the Bi N tic filter
>>
>> • 2N4856: Alternate FETs include 2N4091, 2N4391, PN4091 2N4391 PN4391
>> PN4856, MPF108
>>
>> cheers,
>> Dave
>
> I hate to say it (seriously. It's kinda frustrating.), but all those  
> transistors are either obsolete or are really close to not being  
> stocked anymore.
> Thus spake Mouser.
> -Ian
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