Lowest price I've found is BasicPCB.com They charge $3 per square
inch for 2 layers with mask and legend. Minimum is three boards of 1
square inch. So you actually can place a $9 order with them. They
are a USA based company.
They accept standard Gerber files. This is very impotent as a few
http://dirtypcbs.com/store/pcbs
Very happy with them.
Dave
> -Original Message-
> From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf
> Of Dr. David Kirkby (Kirkby Microwave Ltd)
> Sent: Friday, December 09, 2016 12:07
> To: Discussion of precise time and frequency measurement
+1 on Sunstone
+1 on Screaming Circuits, who will SMT the board with consigned parts or
even do a full turnkey build. Been happy with them on both accounts.
I don't know how many of these super cheap places will do full electrical
check -- I want it on my personal boards.
On Fri, Dec 9, 201
On 12/9/16 1:02 PM, Brooke Clarke wrote:
Hi John:
Yes. It is not at all economical to have ExpressPCB make boards the
final size in production. BUT . .
I've used Sunstone (also known as PCBExpress, which *is* a bit confusing).
both ExpressPCB and Sunstone also have deals with Screaming Cir
Hi John:
Yes. It is not at all economical to have ExpressPCB make boards the final size in production. BUT . . . if you have
them make panels and cut them apart yourself it's very reasonable. I've used many methods for cutting the boards apart
but have settled on a 12" metal shear that cuts
Dr. Dave,
That is NOT true ! I use http://www.futurlec.com/PCBService.shtml to
handle the my ExpressPCB actions.
They are over in Asia somewhere and have been quite happy with their
work. They are a bit cheaper than ExpressPCB themselves.
They also will do other PCB programs and Gerber's
Hi
If you are one of those people who feel “cramped” in anything less than 6
layers, the Chinese
are about the only way to go. There are a few houses over there that will do 6
and 8 layer
boards at a “basement affordable” sort of price. Given the way things change
with some of
these outfits fig
That points out a key difference in the PCB house pricing models:
ExpressPCB and the Advanced Circuits $33 prototype are flat fee up to a
size limit (for Advanced Circuits 4 x 6 inches) while others go by the
square inch -- OSH Park is $5/in2 for three copies of two layer, and
$10/in2 for three
I built my first set of boards with ExpressPCB, but they get expensive quickly
if you want to make something that's not in their special form factor. I use
KICAD and OshPark.com to make my boards (there are other board makers). I just
ordered some boards that are .7" x .63" that cost $8.40 for
Hi Bill:
It's their Mini Board Pro service and you get 3 each 2-layer boards each 3.8 x 2.5" with solder mask (great for SMT) and
silk screen top side labels for $61.
https://www.expresspcb.com/miniboard-pro/
If you get this service some caution is needed regarding the solder mask since it's p
Hi
The bottom line has always been that the outfits in China are the cheaper
source for boards.
That said, right now, Advanced Circuits will sell you a single piece of a
double sided board
for $33. It’s a “full feature” board with solder mask, silk screen, and a 3 day
fab time. I don’t
use the
On 9 December 2016 at 19:58, BIll Ezell wrote:
> Sorry if I'm behind the times, just did a new project that required a pcb,
> and ExpressPCB is my go-to vendor for one-off boards. I just noticed they
> now provide the low-cost boards (fixed size, 3x5, quantity 3) that I've
> always ordered with si
Sorry if I'm behind the times, just did a new project that required a
pcb, and ExpressPCB is my go-to vendor for one-off boards. I just
noticed they now provide the low-cost boards (fixed size, 3x5, quantity
3) that I've always ordered with silk screen and solder mask for $71. I
got my latest b
Hello Peter,
I found a note on Time-Nuts from you back on November 18, 2014 referencing
the use of "SiLabs5351C" to get 10 MHz from a 15 MHz oscillator. Your
Dropbox links don't work anymore. Would you have any further information
you could share about your use of it? Many thanks.
Jim Ro
sl.net/b/bi7lnq/Projects/freqcnt6.0/data/20161209/nc7sz125_74lvc1g04_53220a.png
I also tried to measure 3 OCXOs at the same time. FE180, OCXO8663, free running
TBOLT
http://www.qsl.net/b/bi7lnq/Projects/freqcnt6.0/data/20161209/freqcnt_v6_20161209.png
http://www.qsl.net/b/bi7lnq/Projects/freqcnt6.
One has to be very careful with LDOs. As we say in applications,
RTFDS. :-) The output capacitor often needs a finite ESR (effective
series resistance). A too-large ceramic cap WILL make them oscillate.
I have noticed that they are used in some GPSDOs.
David
On 12/8/16 11:39 AM, Van Hor
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