[sdiy] Canned JFETs

[Mike HEQX]

I'm mostly interested in the complementary pairs, but that stems from my 
desire for balance : )

Ultimately will roll into synth module building and mic pre's, maybe 
some synth pedals.

http://www.linearsystems.com/assets/media/application_notes/LSK489_Application_Note.pdf


On 11/17/2016 10:08 AM, bbob wrote:
> a number or early series Buchla designs also call for matched FET 
> pairs, which have been difficult to source.
>
> On Thu, Nov 17, 2016 at 9:24 AM, Mike HEQX <mike at heqx.com 
> <mailto:mike at heqx.com>> wrote:
>
>     Very pleased to hear that. Yes I see it has only .9nV noise spec.
>
>     Thanks Jarno
>
>
>     On 11/17/2016 2:39 AM, Jarno Verhoeven wrote:
>>     2SK389 is a much liked JFET pair in the audiophile world (LSK389)
>>
>>
>>
>>     Verzonden vanaf mijn Samsung-apparaat
>>
>>
>>     -------- Oorspronkelijk bericht --------
>>     Van: Mike HEQX <mike at heqx.com> <mailto:mike at heqx.com>
>>     Datum: 17-11-2016 03:57 (GMT+01:00)
>>     Aan: synth-diy at synth-diy.org <mailto:synth-diy at synth-diy.org>
>>     Onderwerp: [sdiy] Canned JFETs
>>
>>     I find these JFETs very interesting. They claim ultra low noise
>>     and they come 2 in a can.
>>     I dig transistors in a can, it reminds me of fixing computers
>>     from the 60's
>>
>>     Not sure how low 2nv of noise is relative to other JFETS, but
>>     I'll give them a try for a mic pre.
>>     Just read about these in Electronic Design mag. Ordering samples
>>     tomorrow.
>>
>>
>>       LSJ689
>>       http://www.linearsystems.com/assets/media/file/datasheets/lsj689part.pdf
>>       <http://www.linearsystems.com/assets/media/file/datasheets/lsj689part.pdf>
>>
>>
>>       LSK489
>>       http://www.linearsystems.com/assets/media/file/datasheets/LSK489.pdf
>>       <http://www.linearsystems.com/assets/media/file/datasheets/LSK489.pdf>
>>
>>
>>
>>
>>
>>
>>
>>
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