[sdiy] MPF102 replacements

Paul Schreiber synth1 at airmail.net
Sun Sep 11 23:05:35 CEST 2011


It's a part *specifically designed* to be a switch. Like discharging a cap 
in a VCO.

Paul S.

----- Original Message ----- 
From: "David G Dixon" <dixon at mail.ubc.ca>
To: "'Dave Kendall'" <davekendall at ntlworld.com>; "'synth-diy DIY'" 
<synth-diy at dropmix.xs4all.nl>
Sent: Sunday, September 11, 2011 2:44 PM
Subject: Re: [sdiy] MPF102 replacements


>> 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?
>
> It's a MOSFET rather than a JFET, so I don't think it is a simple drop-in
> replacement (but I could be smokin' crack -- again).
>
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