[sdiy] CA3080 has gone where noone has ever been
cheater00social at gmail.com
Fri Apr 9 04:31:45 CEST 2021
Yeah I've seen quite a few of those. I believe hybrids are still
useful for some things where you need low leakage or low hook or
something like that.
I think the BA622 etc is a hybrid with some transistors on it.
On Fri, Apr 9, 2021 at 3:11 AM Jay Schwichtenberg via Synth-diy
<synth-diy at synth-diy.org> wrote:
> Actually they were hybrid SMDs not like what we think SMT is like now. Size and weight were main factors in going that way.
> Jay S.
> Sent from Xfinity Connect Application
> -----Original Message-----
> From: mec.forumreader at gmail.com
> To: jschwich53 at comcast.net
> Cc: synth-diy at synth-diy.org
> Sent: 2021-04-08 5:18:23 PM
> Subject: Re: [sdiy] CA3080 has gone where noone has ever been
> Back then they were called "flatpacks" and were not the paper thin
> micro-pitch of today's SMD ICs. Predominant in military electronics
> even into the 1990s.
> On 4/8/21, Jay Schwichtenberg via Synth-diy <synth-diy at synth-diy.org> wrote:
> > A lot of people (and it surprised me when I found out) don't know that
> > SMT was used in the 60's for the Saturn V electronics that got people to
> > the moon.
> > There are YouTube videos you can look up on this.
> > Jay S.
> > On 4/8/2021 3:49 AM, Spiros Makris via Synth-diy wrote:
> >> What if I told you that CA3080 has been to space?
> >> I was going through various documents of the MAVEN mission I found on
> >> an FTP server online and what do you know, the part that made history
> >> in the synth world was used and flown all the way to Mars, and even
> >> entered its atmosphere.
> >> image.png
> >> Unsurprisingly, it is among the few non-qualified parts on the list
> >> and the cheapest, at $1.80
> >> I peaked at the schematics and they used it for signal conditioning
> >> before an ADC (peak detection I think).
> >> A whole new level of flex by one of the most influential ICs of Synth
> >> history!
> >> MAVEN was launched on 2013 and has been operational, orbiting Mars
> >> until today. It's primary mission is to study the upper martian
> >> atmosphere.
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