prototyping methods
Chris Crosskey
chrisc at zetnet.co.uk
Wed Sep 24 21:16:25 CEST 1997
>> Ok guys, what prototyping methods do you use on your boards?
>> I'm used to digital, either solder-less breadboards or wire wrap.
>> And these days I'm spoiled, we can get 2-5 pieces of PCB with
>> turn around times of a couple of days, so the first prototype
>> I deal with tends to be etched in copper.
>>
>> Of course the $500+ cost of those PCBs is a bit more acceptable
>> to my clients than it is to me personally.
>>
>> Do you hardwire? Or maybe use a pre-etched general purpose board.
OK, My $0.02...I've got a pen plotter (HP7475A, excellent quality, if
a bit slow) with an archiving pen and a large amount of film (came
with the plotter), the software I use (Scooter running on an Atari
STe) supports everything from outputting an image file through every
printer known to man (AFAI can tell) to plotters and pro stuff like
Gerber/Excellon etc. I have a bubble tank and a UV box, so I tend to
not prototype as such, just plot up an initial circuit, photoetch it,
then bodge as applicable, generally fairly easy as analogue tends to
have a low population density, and then make any final mods required
to the circuit on the computer and re-plot...I use pre-sensitized
board because life is too short for the messing around I've
experienced coating my own.....
chrisc
Almost through a Modulus ADSR design and the Walsh function
Generator and a sequencer set of modules....
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