[NCARC] Circuit board fabrication needed

[chris at yipyap.com]

http://www.arrl.org/qst/aguide/

QST Author's Guide



Dan W7RF wrote:
> And ...... While on this subject.
> 
> I have some ideas for articles for QST but need to know what the boys use
> for making those drawings of antennas and parts as shown in QST articles? 
> 
> Who has written articles (or knows how to do it) and can help me with the
> right tools for making a publication ready article?
> 
> 73, Dan W7RF 
> President NCARC 2009 W0UPS
> Rocky Mountain DX Club W0PA
> Mile High DX Association K0AB
> 
> 
> 
> 
> -----Original Message-----
> From: Matt Kassawara [mailto:battery at writeme.com] 
> Sent: Tuesday, December 15, 2009 2:50 PM
> To: Glen Akins
> Cc: scomind at aol.com; ricksco at comcast.net; ncarc at mailman.qth.net
> Subject: Re: [NCARC] Circuit board fabrication needed
> 
> While we're on the topic of schematic/layout software, you might want to
> take a look at KiCad... an open source, free suite.  I use it professionally
> and it works great.
> 
> Matt
> 
> On Tue, Dec 15, 2009 at 2:30 PM, Glen Akins <glen at kc0vxl.com> wrote:
> 
>> Hey, Rick,
>>
>> If you can fit within the limits of the freeware version of Eagle, I'd 
>> recommend using Eagle and BatchPCB for low quantities of inexpensive 
>> prototypes. I like expresspcb.com too but boards with silkscreens can 
>> be more expensive with them than BatchPCB.
>>
>> Links to Eagle and BatchPCB are at the end of the presentation I did 
>> on low-quantity prototypes at an NCARC meeting a few years back:
>>
>> http://glenakins.com/ncarc/presentation.pdf
>>
>> My current favorite technique for driving large quantities of small 
>> LEDs is the MAX6971ANG+ from Maxim. It will drive up to 16 channels 
>> with the current set by a single resistor. Datasheet available here:
>>
>> http://www.maxim-ic.com/quick_view2.cfm/qv_pk/4907/t/al
>>
>> -Glen
>>
>> scomind at aol.com wrote:
>>> Hi Rick,
>>>
>>> Hopefully, your project is experimental rather than commercial: The
>> LM3914 was discontinued by National in 1999, but you can still find 
>> them at surplus dealers.
>>> Have you tried laying out a board with ExpressPCB (www.expresspcb.com)?
>> It's really fun, and the free software lets you draw schematics and do 
>> the layout on a Windows PC.
>>> 73,
>>> Bob
>>>
>>>
>>>
>>> Bob Schmid, WA9FBO, Member
>>> S-COM, LLC
>>> PO Box 1546
>>> LaPorte, CO 80535-1546
>>> 970-416-6505 phone
>>> 970-419-3222 fax
>>> www.scomcontrollers.com
>>>
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: Rick Coate <ricksco at comcast.net>
>>> To: ncarc at mailman.qth.net
>>> Sent: Tue, Dec 15, 2009 10:13 am
>>> Subject: [NCARC] Circuit board fabrication needed
>>>
>>>
>>> Electronic board fabrication needed:
>>> I am looking for someone to build a couple of circuit boards for me 
>>> sing LM3914 dot-bargraph display drivers to drive some large LED 
>>> argraphs.  These can be built using prototype boards, or as an 
>>> option, reating a couple of photo etched  circuit boards.  I would 
>>> like to iscuss options.
>>> If interested, please contact me at  ricksco at comcast.net Thanks Rick  
>>> Coate 0RSC 
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>>>
>>
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