ɻ|PCB·ɡơա̼ԪڷźͲԭ--
йҵŻIOTѶҵƷϢ--
ţ׿Ƽ       ʱ䣺2022/12/20 13:56:52       ƣ199
ҶPCB··ʺ죬е˽PCB·ɣе˽PCB·Ʋ裬е˽PCB·......ǶPCB·ɡơա̼ԪڷźͲԭ򣬼ڵעûһۺϵ˽⡣׿Ƽһ׶гˣǾ͸Сѧϰ°ɣ
PCB·ɣ
1·ͼ棺·Ϊԭ֮䵼ͨĹߣϻƴͭΪӵؼԴ㡣·ͼͬʱġ
2㣺·֮ľԵԣ׳Ϊġ
3ףͨ׿ʹϵ·˴˵ͨϴĵͨΪãзǵͨͨΪװλװʱ̶˿á
4īȫͭ涼Ҫ˷dz򣬻ӡһͭʣͨΪ֬dz··ݲͬĹգΪ͡͡͡
5˿ӡΪDZҪ֮ɣҪĹڵ·ϱעơλÿ򣬷װά޼ʶá
6洦ͭһ㻷У޷Բ˻ҪͭϽбķʽ𣬻лȱ㣬ͳΪ洦

PCB·Ʋ裺
1 ·ԭͼƣ·ԭͼҪProtel DXPԭͼ༭ԭͼ
2籨籨ʾ·ԭиԪӹϵıӵ·ԭͼ·ƵŦͨ·ԭͼ籨ѸٵҵԪ֮ϵӶΪPCBṩ㡣
3PCB·ƣPCBԵ·ԭͼΪʵҪĹܣPCBͼҪǺܶأеĽṹⲿӲ֡ԪIJ֡ߡɢȡżݵȡΪһҪε޸ĵ·ԭͼ
4PCBAư:ɹԪPCBõ󣬰ԭͼSMTϼϸԪDIPƳ̣ǵĿưˡ
Ԫԭ
ȣṹнϵԪԴָʾơءӿڵȣΣԪԪصԪԪICȣ󣬷СԪԪʱӦߣѡڲߵIJƣ
1ҪICڷţ
2ICȥݵIJҪICĵԴܽţʹ֮Դ͵֮γɵĻ·̣
3ԪһӦȷֲԱڵɢȣ¶ȼԪ¶ӦԶ뷢Ԫ
ԭ
1ź߾̣ؼź߾̣
2һ߲Ҫ̫ĹףҪף
3߹սӦܴ90ȣž90µĹսǣҲ90ȹսǣ
4˫岼ʱĵ໥ֱбߣ໥ƽУԼټϣ
5ƵҪȳ߿ڷţƵߣ
6IC治ߣIC¶GNDӣ
7˫ûе߲㣬ݵӦʹþĶ뾧GNDţҾٹף
8ԴߣUSBҪߴߣ=1mm״˫ͭȻͭ򼸸ף
һ£ӦԵԴߺ͵߽вߣԱ֤·ĵܡķΧڣӿԴ߿ȣǵ߱ȵԴ߿ǵĹϵǣߣԴߣźߣͨź߿Ϊ0.20.3mmϸȿɴ0.050.07mmԴһΪ1.22.5mm

PCB·̣
1.ڲ㣻ҪΪPCB·ڲ·Ϊ
ð壺PCBüߴ磻ǰPCB棬ȥȾ;ѹĤĤPCB㣬Ϊͼת׼ع⣺ʹع豸ԸĤع⣬ӶͼתĤϣDEعԺĻ徭Ӱʴ̡ȥĤڲ
2.ڼ죻ҪΪ˼⼰άް·
AOIAOIѧɨ裬ԽPCBͼѾ¼õƷԱȣԱ㷢ְͼȱڡݵȲVRSAOIIJͼϴVRSԱм;ߣߺȱڻϣԷֹԲ
3.ѹϣǽڲѹϳһŰӣ
ػػӰӺ֮֬ĸԼͭʪԣíϣPPóСżߴʹڲӦPPIJ;ѹϡСߡĥߣ
4.ףտͻҪ׻ֱͬСһĿ׶ʹ֮ͨԱӹҲ԰ɢȣ
5.һͭΪѾõĿ׶ͭʹӸ·ͨȥëߣȥӿױߵẹֶֹ̈ͭߣȥĽԱ΢ʴʱӸ
6.㣻ͬһڲ̴ͬĿΪ˷·;
7.ͭʴ̣ζͭʴ̣
8.躸Աӣֹ
9.֣ӡˢ֣ϴӱ棬ȥԼǿӡˢīĸ
10.洦OSPͭӵһ澭Ϳ,γһлƤĤ,Էֹ
11.ͣͻҪİ,ͻSMTƬװ
12.ԣ԰ӵ··
13.FQCռ⣬йгȫ죻
14.װ⣬ɽ

PCB·ע
1.õ·εkeep-out layer㻭ߣ
2.ߵļ࣬׵ļ࣬ͭ࣬ôﵽư泧Ҫһ10milɣ
3.Ͷ֮ǰй飬ؼ©·Ϳ·
4.Ԫʱ2mmľ롣
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