[sdiy] What do people use for matched transistors these days?

Mike Bryant mbryant at futurehorizons.com
Mon Sep 11 20:16:09 CEST 2023


But I seem to recall doesn't have sinewave output or something ?

QFN isn't that hard.

________________________________
From: Neil Johnson <neil.johnson71 at gmail.com>
Sent: 11 September 2023 19:11
To: Mike Bryant <mbryant at futurehorizons.com>
Cc: Scott Bernardi <scottbernardi55 at gmail.com>; brianw <brianw at audiobanshee.com>; synth-diy mailing list <synth-diy at synth-diy.org>
Subject: Re: [sdiy] What do people use for matched transistors these days?

Hi,

Mike Bryant wrote:
> I thought the SSI2130 was more or less the defacto standard nowadays ?   But I only design digital synths so maybe not aware of any shortcomings it has.

It is a great chip, but the QFN package is a bit tricky for DIY.
That's one of the reasons for the SSI2131 in an SOP package which is
much easier to hand solder.

Neil

________________________________
From: Neil Johnson <neil.johnson71 at gmail.com>
Sent: 11 September 2023 19:11
To: Mike Bryant <mbryant at futurehorizons.com>
Cc: Scott Bernardi <scottbernardi55 at gmail.com>; brianw <brianw at audiobanshee.com>; synth-diy mailing list <synth-diy at synth-diy.org>
Subject: Re: [sdiy] What do people use for matched transistors these days?

Hi,

Mike Bryant wrote:
> I thought the SSI2130 was more or less the defacto standard nowadays ?   But I only design digital synths so maybe not aware of any shortcomings it has.

It is a great chip, but the QFN package is a bit tricky for DIY.
That's one of the reasons for the SSI2131 in an SOP package which is
much easier to hand solder.

Neil
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