[sdiy] that LM13-something chip again...

Paul Perry pfperry at melbpc.org.au
Tue Jun 8 07:19:32 CEST 2021

I've never seen the LM13700 in anything except music/audio -
where are they all going??
never found one in random e-waste scavageing,
i have a lifetime supply, but that's more a reflection on my age...

paul perry Melb Aust

------ Original Message ------
From: "kenny at beatkamp.com" <kenny at beatkamp.com>
To: "Mike Bryant" <mbryant at futurehorizons.com>
Cc: "Synth-diy" <synth-diy at synth-diy.org>
Sent: 8/06/2021 1:33:56 AM
Subject: Re: [sdiy] that LM13-something chip again...

>This is cozy information. Thank you.
>>  That's always the problem with IC manufacture.  There's probably 10,000 or
>>  more of these on a wafer, and you usually make 25 wafers at a time.  You
>>  don't have to test and package them all at the same time as it's possible
>>  to store processed wafers, but even if they just package 3 wafers there's
>>  a sudden glut.
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