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Old 21st March 2013, 04:43 AM   #1
fubar3 is offline fubar3  Canada
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Default Paper-PCBs anyone?

Has anyone tried a Paper-PCB for a simple audio projects - such as a headphone anp? Wolfgang Spahn has a nice web site where he designs these for Arduino clones. I don't have a workshop where I can mess with circuit- board chemicals but I want neater work than I usually produce with unplanned point-to-point wiring.
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Old 21st March 2013, 05:53 AM   #2
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Not exactly new.
Google SRBP or Phenolic board.
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Old 21st March 2013, 07:37 AM   #3
JMFahey is offline JMFahey  Argentina
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Agree and add.
What Wolfgang Spahn calls paperpcb is old-as-the-pyramids Veroboard or stripboard.
All he does is "hide" it by glueing the paper with the printed design over the top surface , to help you avoid mistakes.
Stripboard - Wikipedia, the free encyclopedia

There's software to help you design the PCB, although gridded paper and pencil is enough.
Try Bancika's *excellent* DIY Layout creator:
New version of DIY Layout Creator
which handles stripboards (paperpcb), plain copperless perfboard and simple etched PCBs if you want to go all the way.
Note: there's various versions, from the early one running only on Windows, to later "multiplatform" (Windows/Linux/Mac/etc.) ones based on Java.
I strongly suggest you use the original Windows only version, because it's the simplest and also tons of guys have used it and post designs, so you can review quite a few to get layout ideas.
This is one such design:
Click the image to open in full size.

EXCELLENT software, perfect for DIYers.
Notice that if you print the PCB design and glue it to a piece of stripboard you have a "paperpcb"

Last edited by JMFahey; 21st March 2013 at 07:40 AM.
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Old 22nd March 2013, 01:33 AM   #4
xrk971 is offline xrk971  United States
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Quote:
Originally Posted by fubar3 View Post
Has anyone tried a Paper-PCB for a simple audio projects - such as a headphone anp? Wolfgang Spahn has a nice web site where he designs these for Arduino clones. I don't have a workshop where I can mess with circuit- board chemicals but I want neater work than I usually produce with unplanned point-to-point wiring.
Does this count?
Click the image to open in full size.
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Old 22nd March 2013, 03:14 AM   #5
JMFahey is offline JMFahey  Argentina
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Hey, that's good!!!
*That's* what a real Paper Pcb should be.
Congratulations.

If you dare, there *is* an ultrafast and ultracompact PCB less construction technique, based on paper+glue ...where you later remove both (yes, not a typo, paperless and glue less)

http://litetec.hubpages.com/hub/Pape...t-Construction

Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.

Last edited by JMFahey; 22nd March 2013 at 03:31 AM.
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Old 22nd March 2013, 08:19 AM   #6
xrk971 is offline xrk971  United States
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Jim Fahey,
The technique you describe was the inspiration to my foam core amp but I decided to leave it on the paper rather than removing it. Soldering the smd components like caps, resistors, and wires was fun and easy. The tricky part was the wire leads from the IC, the spacing is very tight.
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Old 22nd March 2013, 08:42 AM   #7
JMFahey is offline JMFahey  Argentina
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Yes , I just saw your other thread.
Cool technique and congratulations on your successful construction.
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Old 22nd March 2013, 09:11 AM   #8
xrk971 is offline xrk971  United States
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Quote:
Originally Posted by JMFahey View Post
Yes , I just saw your other thread.
Cool technique and congratulations on your successful construction.
Thanks! The best part was hearing the sound when I fired it up. This amp sounds really nice. It's small size fools you to thinking it's toy like. Nice big full rich bass and very clear open highs.
I am sold on smd methods and will learn how to design pcb's properly and have one of the fab houses in China make them cheap. I am good with soldering with magnifyers and tiny iron and will assemble them myself though.
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Old 23rd March 2013, 10:42 PM   #9
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Use perf board and hide your ugly blobs underneath?
(random image attached)
Attached Images
File Type: jpg uglyperf-bottom.jpg (23.5 KB, 15 views)
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Old 23rd March 2013, 11:06 PM   #10
tvrgeek is offline tvrgeek  United States
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Dead-bugger from way back. Used to use wire wrap gun to secure 30 ga before soldering. Too bulky for SMT I guess.
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