I am no t sure about the best cutter, but have an almost free solution to the problem. I have been using a homemade cutter for PCBs recently, and it works...
30426
Robin Whittle
robin_whittle
Jul 27, 2012 1:49 am
Hi Tom, Can you tell us what type of Riston you have and where you live? - Robin http://www.firstpr.com.au/pcb-diy/...
30425
tda7000
Jul 26, 2012 10:36 pm
... I bought some of these: http://www.ebay.com/itm/10-2-00mm-0787-CHIPBREAKER-CARBIDE-ROUTER-BURRS-DP-Kyocera-Tycom-/380446241277 (Really good seller, too!) ...
30424
wayne.causey
Jul 26, 2012 2:48 pm
Any recommendations? Bit and Speed. Thanks....
30423
krisfr
Jul 26, 2012 2:20 pm
Yes, this is the company that I ordered from too. They have increased their price also. I will hope for the best and see what happens. I ordered some of their...
30422
twb8899
Jul 26, 2012 2:03 pm
I have DuPont dry film photoresist on hand if anyone needs some. I use it in a DuPont HRL-24 hot roll laminator so I can supply laminated FR-4 panels as well....
30421
Robin Whittle
robin_whittle
Jul 26, 2012 2:39 am
I just ordered a second batch of DuPont Riston MM540 (38 micron): http://www.ebay.com/itm/170869878820 from eBay seller gaminn: http://myworld.ebay.com/gaminn/...
30420
tda7000
Jul 26, 2012 2:10 am
I guess it's not the highest quality but it does work. Yes there are some wrinkles on my sheets too (but only on the edges) and I am not using the full size...
30419
krisfr
Jul 26, 2012 1:45 am
That, the link you show here, is the company I had the poor results with. One of the plastic sheet, on both side of the resist, was wrinkled and for my...
30418
tda7000
Jul 25, 2012 9:40 pm
... I don't know about cheap but I bought the cheapest I could find at the time: http://www.ebay.com/itm/320735055777 So far it's worked well for me. Haven't...
30417
krisfr
Jul 25, 2012 4:53 pm
Anyone know of source of Cheap Photoresist Film? My last purchase on ebay was poor in quality and high priced... Thanks in advance......
30416
Greg
gregjh24
Jul 25, 2012 5:27 am
Kevin,scanned and sent to your yahoo email. Regards Greg vk5gj/vk5xgh...
30415
Kevin B
toolmankev2002
Jul 24, 2012 11:36 am
Steve, Yes you are correct, when it was originally built, the PCB design was from the ARRL handbook, he decided to use that over a point to point perforated...
30414
Norm
nps0
Jul 24, 2012 3:20 am
... I have the book (1985 ed.) - but a computer crash left me with no scanner/computer hookup (getting back there, but slowly). I can COPY them and send by...
30413
J. Caria
ct1fgw
Jul 23, 2012 9:23 pm
Hi, I have the 95 edition and it has the pcboard pattern for a HV power supply. I can see the same pattern in the 92 edition. Give me your e-mail address and I...
30412
Boman33
bertho_boman
Jul 23, 2012 8:34 pm
Well, I got 1965, 1979 & 1989 editions but unfortunately not the years he is looking for. Bertho ... From: Andrew Hakman Sent: Monday, July 23, 2012 15:54 I...
30411
Andrew Hakman
andrew_hakman
Jul 23, 2012 7:54 pm
I have the 1991 edition, which I bought from a library clearing out old books, a long time ago now. The library I got it from is notoriously bad for keeping...
30410
alienrelics
Jul 23, 2012 7:44 pm
I expect he may have already posted in some groups dedicated to ham radio. I think what he is saying, is that this was built using the PCB pattern for a bridge...
30409
Mars Bonfire
mbonfire2002
Jul 22, 2012 2:39 pm
A couple of thoughts and guesses: I totally agree with the poster who offered that the "board" looks like perforated board (i.e. point to point wiring) not a...
30408
T' Bear
furry_t_bear
Jul 21, 2012 3:49 pm
For what it's worth; the Radio Shack part no. is still used by Radio Shack. They may have re-cycled it, but it still is listed as "printed circuit board" ...
30407
Kevin B
toolmankev2002
Jul 21, 2012 4:30 am
Yes thats were I got the pdf from and it mentions the board layout from them arrl handbook ... From: Andrew Volk Sent: 21/07/2012 6:05 To:...
30406
Andrew Volk
amvolk2002
Jul 20, 2012 8:06 pm
Kevin - Have you looked at http://www.813am.qsl.br/artigos/linear/DX-811A_GG_Linear_Amplifier.pdf? No board layouts. It looks like it was all perf board from...
30405
Kevin B
toolmankev2002
Jul 20, 2012 2:36 pm
Thanks Paul, The amp was built from an article in the September 1982 CQ magazine called how to build the DX-811a, I have that article along with the amp that...
30404
Paul
pwhatton
Jul 20, 2012 8:58 am
Hi Kevin Which amplifier is it? I have a few old ARRL Handbooks here. Will have to dig them out but happy to check to see if I have one with the amp in, They...
Thanks for the Responses, Â the reason i am after this specific Layout is i am restoring an old Homebrew Linear Amplifier that was built by a friend of my...
30401
tda7000
Jul 19, 2012 10:33 pm
... A basic PCB Layout for 4 diodes as a bridge rectifier is nothing special either....
30400
tda7000
Jul 19, 2012 10:31 pm
Note this though: http://tech.groups.yahoo.com/group/Homebrew_PCBs/message/30367 ("Only the true Dissolvo brand worked well, other, cheaper water soluble...
30399
James
james10952001
Jul 19, 2012 9:15 pm
... I think you would have a really hard time getting enough contact pressure to make a reasonably good contact while still being able to slide the board in...
30398
James
james10952001
Jul 19, 2012 9:12 pm
... If all you want is a bridge rectifier, what do you need a PCB layout for? Is there any reason not to use an off the shelf monolithic part?...
