[sdiy] Those AS33xx chips again...

[Andre Majorel]

On 2017-11-29 20:23 +0100, Roman wrote:

> I know they are delicate and have right tools and skills. It
> was perfectly OK.  OTOH it didn't survive desoldering as I
> was too lazy to change proper tips in hot tweezers or use flux
> (you know I'm lazy from email sending habit nitpicking).
> Today I did very short (less than 2h) test with C0G in place
> and estimated tempco dropped to somewhere between 300 and
> 500ppm. Next one to go is the trimmer, but it will take some
> time. I'll probably do it together with V/oct conformance
> test sometime in December. And you all are probably bored to
> death with this thread anyway.   Roman  Dnia 29 listopada 2017

Not at all, Roman. That bench testing is really great, unlike
your email technique. Please keep it up. (The measurements, I
mean, not the deplorable disregard for readability.)

> 18:24 Jay Schwichtenberg <jschwich53 at comcast.net>
> napisa??(a):  Roman,   You might want to do some research on
> the ECH-U caps first.   These caps are made to be reflow
> soldered but can be hand soldered with the  right tools and
> skills. They are very delicate and can be easily melted when
> soldering by hand.   Jay S.   -----Original Message-----
> From: Synth-diy [mailto:synth-diy-bounces at synt On Behalf Of
> Roman  Sowa  Sent: Wednesday, November 29, 2017 5:49 AM  To:
> steve at bendentech.co.uk;   synth-diy at synth-diy.org  Subject:
> [spam] Re: [sdiy] Those AS33xx chips again...    Currently
> there is Panasonic ECH-U which is PPS film.
> ______________________________  Synth-diy mailing list
> Synth-diy at synth-diy.org  synth-diy.org synth-diy.org

PS : I'm available for consultancy on email formatting. My rates
are very reasonable. References on demand.

-- 
André Majorel http://www.teaser.fr/~amajorel/