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<p>Back in the '80s, a common model of set top cable TV box had a
CA3080E in it. I don't remember the make<br>
</p>
<div class="moz-cite-prefix">On 5/14/22 5:38 PM, Ben Gebhardt via
Synth-diy wrote:<br>
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<blockquote type="cite"
cite="mid:81FEC6A4-EEA9-49C0-94CF-DD47A56CFE95@yahoo.com">
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<div dir="ltr">Before dsp became ubiquitous, we used to regularly
use ne5517s or lm13700 in consumer audio for volume control and
limiting circuits . Used to buy these by the millions. I’m
sure they’re still used by some companies.</div>
<div dir="ltr"><br>
<blockquote type="cite">On May 14, 2022, at 3:44 PM, Quincas
Moreira via Synth-diy <a class="moz-txt-link-rfc2396E" href="mailto:synth-diy@synth-diy.org"><synth-diy@synth-diy.org></a> wrote:<br>
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<div dir="ltr">
<div>Interesting.</div>
<div><br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sat 14 May 2022 at
9:54 Tom Wiltshire <<a
href="mailto:tom@electricdruid.net"
moz-do-not-send="true" class="moz-txt-link-freetext">tom@electricdruid.net</a>>
wrote:<br>
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style="word-wrap:break-word;line-break:after-white-space"><br>
<div>
<div>Because, in DIP form at least, the device has
been discontinued. The SMD part will probably
stick around, but it's not exactly going to ever
be a major seller.</div>
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style="word-wrap:break-word;line-break:after-white-space">
<div><br>
<blockquote type="cite">
<div>On 14 May 2022, at 15:13, Quincas Moreira via
Synth-diy <<a
href="mailto:synth-diy@synth-diy.org"
target="_blank" moz-do-not-send="true"
class="moz-txt-link-freetext">synth-diy@synth-diy.org</a>>
wrote:</div>
<br>
<div>
<div dir="auto">I don’t understand… why would
the LM13700 not be a wise choice? It’s an
excellent OTA used in numerous applications!</div>
<div><br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sat 14
May 2022 at 8:54 Steve via Synth-diy <<a
href="mailto:synth-diy@synth-diy.org"
target="_blank" moz-do-not-send="true"
class="moz-txt-link-freetext">synth-diy@synth-diy.org</a>>
wrote:<br>
</div>
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style="margin:0px 0px 0px
0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)">Howdy,<br>
<br>
the bassguitar amplifer "Rumble 40" by
none less than Fender,<br>
<br>
has, in area D..C / 6..7 on page 1, and
others, a LM13700.<br>
<br>
Is that just a not-wise choice, or do they
know it won't be buried in<br>
the ancient parts graveyard for a while?<br>
<br>
Scroll a bit down, to the left, there's a
captcha field, after getting<br>
through it, one can download.<br>
<br>
<a
href="https://elektrotanya.com/fender_rumble_40_v3_sch.pdf/download.html"
rel="noreferrer" target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">https://elektrotanya.com/fender_rumble_40_v3_sch.pdf/download.html</a><br>
<br>
<br>
- Steve<br>
<br>
<br>
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