<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en" dir="ltr"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>geda:faq-pcb</title> <meta name="generator" content="DokuWiki Release rc2007-05-24" /> <meta name="robots" content="index,follow" /> <meta name="date" content="2007-07-25T08:31:46-0400" /> <meta name="keywords" content="geda,faq-pcb" /> <link rel="search" type="application/opensearchdescription+xml" href="http://geda.seul.org/wiki/lib/exe/opensearch.php" title="geda Wiki" /> <link rel="start" href="http://geda.seul.org/wiki/" /> <link rel="contents" href="http://geda.seul.org/wiki/geda:faq-pcb?do=index" title="Index" /> <link rel="alternate" type="application/rss+xml" title="Recent Changes" href="http://geda.seul.org/wiki/feed.php" /> <link rel="alternate" type="application/rss+xml" title="Current Namespace" href="http://geda.seul.org/wiki/feed.php?mode=list&ns=geda" /> <link rel="alternate" type="text/html" title="Plain HTML" href="http://geda.seul.org/wiki/_export/xhtml/geda:faq-pcb" /> <link rel="alternate" type="text/plain" title="Wiki Markup" href="http://geda.seul.org/wiki/_export/raw/geda:faq-pcb" /> <link rel="stylesheet" media="all" type="text/css" href="lib/exe/css" /> <link rel="stylesheet" media="screen" type="text/css" href="lib/exe/001css" /> <link rel="stylesheet" media="print" type="text/css" href="lib/exe/002css" /> </head> <body> <div class="dokuwiki export"> <div class="toc"> <div class="tocheader toctoggle" id="toc__header">Table of Contents</div> <div id="toc__inside"> <ul class="toc"> <li class="clear"> <ul class="toc"> <li class="level2"><div class="li"><span class="li"><a href="#pcb_faq" class="toc">pcb FAQ</a></span></div> <ul class="toc"> <li class="level3"><div class="li"><span class="li"><a href="#what_is_pcb" class="toc">What is pcb ?</a></span></div></li> <li class="level3"><div class="li"><span class="li"><a href="#how_do_i_install_pcb" class="toc">How do I install pcb?</a></span></div></li> <li class="level3"><div class="li"><span class="li"><a href="#is_it_true_that_pcb_is_limited_to_exactly_8_copper_layers_and_2_silkscreen_layers" class="toc">Is it true that pcb is limited to exactly 8 copper layers and 2 silkscreen layers?</a></span></div></li> <li class="level3"><div class="li"><span class="li"><a href="#is_it_true_that_pcb_has_no_concept_of_a_solder_mask_or_paste_mask_layer" class="toc">Is it true that pcb has no concept of a "solder mask" or "paste mask" layer?</a></span></div></li> <li class="level3"><div class="li"><span class="li"><a href="#is_it_true_that_pcb_has_no_way_to_make_a_mechanical_layer_to_show_the_physical_outline_of_the_board_and_its_dimensions" class="toc">Is it true that pcb has no way to make a "mechanical layer" to show the physical outline of the board and its dimensions ?</a></span></div></li> <li class="level3"><div class="li"><span class="li"><a href="#how_do_i_design_a_pcb" class="toc">How do I design a PCB?</a></span></div></li> <li class="level3"><div class="li"><span class="li"><a href="#yes_but_how_do_i_design_a_pcb_with_pcb" class="toc">Yes, but how do I design a PCB with pcb?</a></span></div></li> <li class="level3"><div class="li"><span class="li"><a href="#what_about_footprints" class="toc">What about footprints?</a></span></div></li> <li class="level3"><div class="li"><span class="li"><a href="#i_had_a_hard_time_to_find_info_on_pcb_due_its_ambigous_name._why_don_t_you_rename_the_app" class="toc">I had a hard time to find info on pcb due its ambigous name. Why don't you rename the app?</a></span></div></li></ul> </li></ul> </li></ul> </div> </div> <h2><a name="pcb_faq" id="pcb_faq">pcb FAQ</a></h2> <div class="level2"> </div> <!-- SECTION "pcb FAQ" [1-21] --> <h3><a name="what_is_pcb" id="what_is_pcb">What is pcb ?</a></h3> <div class="level3"> <p> “pcb” is software to help you draw (“lay out”) the wires for a custom “printed wire board” (“PCB”). </p> </div> <!-- SECTION "What is pcb ?" [22-147] --> <h3><a name="how_do_i_install_pcb" id="how_do_i_install_pcb">How do I install pcb?</a></h3> <div class="level3"> <p> The recommended way to install pcb is to install the complete gaf package. See <a href="http://geda.seul.org/wiki/geda:installation" class="wikilink1" title="geda:installation">installation</a>. </p> </div> <!-- SECTION "How do I install pcb?" [148-282] --> <h3><a name="is_it_true_that_pcb_is_limited_to_exactly_8_copper_layers_and_2_silkscreen_layers" id="is_it_true_that_pcb_is_limited_to_exactly_8_copper_layers_and_2_silkscreen_layers">Is it true that pcb is limited to exactly 8 copper layers and 2 silkscreen layers?</a></h3> <div class="level3"> <p> No. “Out-of-the-box”, pcb supports 16 copper layers and … </p> </div> <!-- SECTION "Is it true that pcb is limited to exactly 8 copper layers and 2 silkscreen layers?" [283-436] --> <h3><a name="is_it_true_that_pcb_has_no_concept_of_a_solder_mask_or_paste_mask_layer" id="is_it_true_that_pcb_has_no_concept_of_a_solder_mask_or_paste_mask_layer">Is it true that pcb has no concept of a "solder mask" or "paste mask" layer?</a></h3> <div class="level3"> <p> No. </p> </div> <!-- SECTION "Is it true that pcb has no concept of a solder mask or paste mask layer?" [437-528] --> <h3><a name="is_it_true_that_pcb_has_no_way_to_make_a_mechanical_layer_to_show_the_physical_outline_of_the_board_and_its_dimensions" id="is_it_true_that_pcb_has_no_way_to_make_a_mechanical_layer_to_show_the_physical_outline_of_the_board_and_its_dimensions">Is it true that pcb has no way to make a "mechanical layer" to show the physical outline of the board and its dimensions ?</a></h3> <div class="level3"> <p> No. Lines on a layer with layer name <code>outline</code> will be interpreted as physical edges of the board. Also see <a href="geda_pcb_tips.html" class="wikilink1" title="geda:pcb_tips">this note</a> in the more comprehensive <a href="geda_pcb_tips.html" class="wikilink1" title="geda:pcb_tips">pcb_tips</a> </p> </div> <!-- SECTION "Is it true that pcb has no way to make a mechanical layer to show the physical outline of the board and its dimensions ?" [529-915] --> <h3><a name="how_do_i_design_a_pcb" id="how_do_i_design_a_pcb">How do I design a PCB?</a></h3> <div class="level3"> <p> This is well beyond the scope of this <acronym title="Frequently Asked Questions">FAQ</acronym>. There are a few tips at </p> <ul> <li class="level1"><div class="li"> <a href="http://en.wikipedia.org/wiki/Printed_circuit_board" class="urlextern" title="http://en.wikipedia.org/wiki/Printed_circuit_board" rel="nofollow">http://en.wikipedia.org/wiki/Printed_circuit_board</a></div> </li> <li class="level1"><div class="li"> <a href="http://en.wikibooks.org/wiki/Practical_Electronics/PCB_Layout" class="urlextern" title="http://en.wikibooks.org/wiki/Practical_Electronics/PCB_Layout" rel="nofollow">http://en.wikibooks.org/wiki/Practical_Electronics/PCB_Layout</a></div> </li> </ul> </div> <!-- SECTION "How do I design a PCB?" [916-1137] --> <h3><a name="yes_but_how_do_i_design_a_pcb_with_pcb" id="yes_but_how_do_i_design_a_pcb_with_pcb">Yes, but how do I design a PCB with pcb?</a></h3> <div class="level3"> <p> Generally, you start with a schematic, run gsch2pcb to generate the netlist. See <a href="http://geda.seul.org/wiki/geda:faq-gsch2pcb" class="wikilink1" title="geda:faq-gsch2pcb">faq-gsch2pcb</a>. Then you might go through the tutorial <a href="geda_gsch2pcb_tutorial.html" class="wikilink1" title="geda:gsch2pcb_tutorial">gsch2pcb_tutorial</a> </p> <p> Then you … Hey, did you know about the pcb manual, the <a href="geda_pcb_tips.html" class="wikilink1" title="geda:pcb_tips">pcb_tips</a>, and the <a href="geda_pcb-quick_reference.html" class="wikilink1" title="geda:pcb-quick_reference">pcb-quick_reference</a>? </p> </div> <!-- SECTION "Yes, but how do I design a PCB with pcb?" [1138-1454] --> <h3><a name="what_about_footprints" id="what_about_footprints">What about footprints?</a></h3> <div class="level3"> <p> See <a href="geda_pcb_footprints.html" class="wikilink1" title="geda:pcb_footprints">pcb_footprints</a>. </p> <p> There are also some unofficial gEDA footprints at Open Circuits <a href="http://opencircuits.com/PCB_Footprints" class="urlextern" title="http://opencircuits.com/PCB_Footprints" rel="nofollow">http://opencircuits.com/PCB_Footprints</a>. </p> </div> <!-- SECTION "What about footprints?" [1455-1617] --> <h3><a name="i_had_a_hard_time_to_find_info_on_pcb_due_its_ambigous_name._why_don_t_you_rename_the_app" id="i_had_a_hard_time_to_find_info_on_pcb_due_its_ambigous_name._why_don_t_you_rename_the_app">I had a hard time to find info on pcb due its ambigous name. Why don't you rename the app?</a></h3> <div class="level3"> <p> The application is a fairly old project, with roots way back in the era of <a href="http://en.wikipedia.org/wiki/Atari" class="urlextern" title="http://en.wikipedia.org/wiki/Atari" rel="nofollow">Atari home computers</a>. Its name has always been “pcb”. The current developers have no intention to break that tradition. </p> </div> <!-- SECTION "I had a hard time to find info on pcb due its ambigous name. Why don't you rename the app?" [1618-] --></div> </body> </html>
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