[time-nuts] Slightly OT: interest in a four-output, ultra-low jitter, synthesizer block?
marklgoldberg at gmail.com
Thu Jan 25 16:55:23 EST 2018
I have had very good luck with a converted toaster oven, GC-10 solder
paste, and OSH Stencils metal stencils. Basically, if the temperature
profile is good and you have good solder paste application, decent
placement, good solder mask and correct pad sizes, everything solders
itself. I have built 70 of my boards with zero solder defects. I use a 4
pin castellated part.
In this case though, I would probably opt for the eval board at $150. I
have spent way too much time on my small board project and there are lots
of little details to getting a clean oscillator.
On Thu, Jan 25, 2018 at 2:41 PM, Hal Murray <hmurray at megapathdsl.net> wrote:
> jra at febo.com said:
> > The challenge is that the chip is a 7x7 mm 44-QFN package and really
> > to be put on a six-layer circuit board. That's doable, but challenging,
> > for home assembly.
> Can anybody comment on the toaster oven approach?
> Is it practical for things like this? How much does a solder mask cost?
> much other stuff do I need? Does the solder paste need to be refrigerated
> and other quirks like that?
> What are the chances of a newbie getting a 44-QFN right on the first try?
> These are my opinions. I hate spam.
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