真牛论坛怎么了

射频电路板设计的几个要点_pcb打样

time : 2019-05-02 15:56       作者:凡亿pcb

  SHEPIN(RF)DIANLUBANSHEJISUIRANZAILILUNSHANGHAIYOUHENDUOBUQUEDINGXING,DANRFDIANLUBANSHEJIHAISHIYOUXUDUOKEYIZUNXUNDEFAZE。BUGUO,ZAISHIJISHEJISHI,ZHENZHENGSHIYONGDEJIQIAOSHIDANGZHEIXIEFAZEYINGEZHONGXIANZHIERWUFASHISHISHI,RUHEDUITAMENJINXINGZHEZHONGCHULI,BENWENJIANGJIZHONGTANTAOYURFDIANLUBANFENQUSHEJIYOUGUANDEGEZHONGWENTI。




  1、WEIGUOKONGDEZHONGLEI

  DIANLUBANSHANGBUTONGXINGZHIDEDIANLUBIXUFENGE,DANSHIYOUYAOZAIBUCHANSHENGDIANCIGANRAODEZUIJIAQINGKUANGXIALIANJIE,ZHEIJIUXUYAOYONGDAOWEIGUOKONG(microvia)。TONGCHANGWEIGUOKONGZHIJINGWEI0.05mm~0.20mm,ZHEIXIEGUOKONGYIBANFENWEISANLEI,JIMANGKONG(blind via)、MAIKONG(bury via)HETONGKONG(through via)。MANGKONGWEIYUYINSHUAXIANLUBANDEDINGCENGHEDICENGBIAOMIAN,JUYOUYIDINGSHENDU,YONGYUBIAOCENGXIANLUHEXIAMIANDENEICENGXIANLUDELIANJIE,KONGDESHENDUTONGCHANGBUCHAOGUOYIDINGDEBILV(KONGJING)。MAIKONGSHIZHIWEIYUYINSHUAXIANLUBANNEICENGDELIANJIEKONG,TABUHUIYANSHENDAOXIANLUBANDEBIAOMIAN。SHANGSHULIANGLEIKONGDOUWEIYUXIANLUBANDENEICENG,CENGYAQIANLIYONGTONGKONGCHENGXINGZHICHENGWANCHENG,ZAIGUOKONGXINGCHENGGUOCHENGZHONGKENENGHAIHUIZHONGDIEZUOHAOJIGENEICENG。DISANZHONGCHENGWEITONGKONG,ZHEIZHONGKONGCHUANGUOZHENGGEXIANLUBAN,KEYONGYUSHIXIANNEIBUHULIANHUOZUOWEIZUJIANDENIANZHEDINGWEIKONG。

  2、CAIYONGFENQUJIQIAO

  ZAISHEJIRFDIANLUBANSHI,YINGJINKENENGBAGAOGONGLVRFFANGDAQI(HPA)HEDIZAOYINFANGDAQI(LNA)GELIKAILAI,JIANDANDESHUO,JIUSHIRANGGAOGONGLVRFFASHEDIANLUYUANLIDIZAOYINJIESHOUDIANLU。RUGUOPCBBANSHANGYOUHENDUOKONGJIAN,NEIMEKEYIHENRONGYIDIZUODAOZHEIYIDIAN。DANTONGCHANGLINGZUJIANHENDUOSHI,PCBZHIZAOKONGJIANJIUHUIBIANDEHENXIAO,YINCIZHEISHIHENNANDADAODE。KEYIBATAMENFANGZAIPCBBANDELIANGMIAN,HUOZHERANGTAMENJIAOTIGONGZUO,ERBUSHITONGSHIGONGZUO。GAOGONGLVDIANLUYOUSHIHAIKEBAOKUORFHUANCHONGQI(buffer)HEYAKONGZHENDANGQI(VCO)。

真牛论坛怎么了  SHEJIFENQUKEYIFENCHENGSHITIFENQU(physical partitioning)HEDIANQIFENQU(Electrical partitioning)。SHITIFENQUZHUYAOSHEJILINGZUJIANBUJU、FANGWEIHEPINGBIDENGWENTI;DIANQIFENQUKEYIJIXUFENCHENGDIANYUANFENPEI、RFZOUXIAN、MINGANDIANLUHEXINHAO、JIEDIDENGFENQU。

  3、SHITIFENQU

真牛论坛怎么了  LINGZUJIANBUJUSHISHIXIANYIGEYOUYIRFSHEJIDEGUANJIAN,ZUIYOUXIAODEJISHUSHISHOUXIANGUDINGWEIYURFLUJINGSHANGDELINGZUJIAN,BINGDIAOZHENGQIFANGWEI,SHIRFLUJINGDEZHANGDUJIANDAOZUIXIAO。BINGSHIRFSHURUYUANLIRFSHUCHU,BINGJINKENENGYUANLIGAOGONGLVDIANLUHEDIZAOYINDIANLU。

  ZUIYOUXIAODEDIANLUBANDUIZHANFANGFASHIJIANGZHUJIEDIANPAIZAIBIAOCENGXIADEDIERCENG,BINGJINKENENGJIANGRFXIANZOUZAIBIAOCENGSHANG。JIANGRFLUJINGSHANGDEGUOKONGCHICUNJIANDAOZUIXIAOBUJINKEYIJIANSHAOLUJINGDIANGAN,ERQIEHAIKEYIJIANSHAOZHUJIEDISHANGDEXUHANDIAN,BINGKEJIANSHAORFNENGLIANGXIELOUDAOCENGDIEBANNEIQITAQUYUDEJIHUI。

  ZAISHITIKONGJIANSHANG,XIANGDUOJIFANGDAQIZHEIYANGDEXIANXINGDIANLUTONGCHANGZUYIJIANGDUOGERFQUZHIJIANXIANGHUGELIKAILAI,DANSHISHUANGGONGQI、HUNPINQIHEZHONGPINFANGDAQIZONGSHIYOUDUOGERF/IFXINHAOXIANGHUGANRAO,YINCIBIXUXIAOXINDIJIANGZHEIYIYINGXIANGJIANDAOZUIXIAO。RFYUIFZOUXIANYINGJINKENENGZOUSHIZIJIAOCHA,BINGJINKENENGZAITAMENZHIJIANGEYIKUAIJIEDIMIANJI。ZHENGQUEDERFLUJINGDUIZHENGKUAIPCBBANDEXINGNENGERYANFEICHANGZHONGYAO,ZHEIYEJIUSHIWEISHENMELINGZUJIANBUJUTONGCHANGZAIYIDONGDIANHUAPCBBANSHEJIZHONGZHANDABUFENSHIJIANDEYUANYIN。

  ZAIYIDONGDIANHUAPCBBANSHANG,TONGCHANGKEYIJIANGDIZAOYINFANGDAQIDIANLUFANGZAIPCBDAYANGBANDEMOUYIMIAN,ERGAOGONGLVFANGDAQIFANGZAILINGYIMIAN,BINGZUIZHONGJIEYOUSHUANGGONGQIZAITONGYIMIANSHANGJIANGTAMENLIANJIEDAORFTIANXIANDEYIDUANHEJIPINCHULIQIDELINGYIDUAN。ZHEIXUYAOYIXIEJIQIAOLAIQUEBAORFNENGLIANGBUHUIJIEYOUGUOKONG,CONGBANDEYIMIANCHUANDIDAOLINGYIMIAN,CHANGYONGDEJISHUSHIZAILIANGMIANDOUSHIYONGMANGKONG。KEYIJIEYOUJIANGMANGKONGANPAIZAIPCBBANLIANGMIANDOUBUSHOURFGANRAODEQUYU,LAIJIANGGUOKONGDEBULIYINGXIANGJIANDAOZUIXIAO。

  4、JINSHUPINGBIZHAO

  YOUSHI,BUTAIKENENGZAIDUOGEDIANLUQUKUAIZHIJIANBAOLIUZUGOUDEQUGE,ZAIZHEIZHONGQINGKUANGXIAJIUBIXUKAOLVCAIYONGJINSHUPINGBIZHAOJIANGSHEPINNENGLIANGPINGBIZAIRFQUYUNEI,DANJINSHUPINGBIZHAOYEYOUFUZUOYONG,LIRU:ZHIZAOCHENGBENHEZHUANGPEICHENGBENDOUHENGAO。

真牛论坛怎么了  WAIXINGBUGUIZEDEJINSHUPINGBIZHAOZAIZHIZAOSHIHENNANBAOZHENGGAOJINGMIDU,ZHANGFANGXINGHUOZHENGFANGXINGJINSHUPINGBIZHAOYOUSHILINGZUJIANBUJUSHOUDAOYIXIEXIANZHI;JINSHUPINGBIZHAOBULIYULINGZUJIANGENGHUANHEGUZHANGYIWEI;YOUYUJINSHUPINGBIZHAOBIXUHANZAIJIEDIMIANSHANG,ERQIEBIXUYULINGZUJIANBAOCHIYIGESHIDANGDEJULI,YINCIXUYAOZHANYONGBAOGUIDEPCBBANKONGJIAN。

  JINKENENGBAOZHENGJINSHUPINGBIZHAODEWANZHENGFEICHANGZHONGYAO,SUOYIJINRUJINSHUPINGBIZHAODESHUZIXINHAOXIANYINGGAIJINKENENGZOUNEICENG,ERQIEZUIHAOJIANGXINHAOXIANLUCENGDEXIAYICENGSHEWEIJIEDICENG。RFXINHAOXIANKEYICONGJINSHUPINGBIZHAODIBUDEXIAOQUEKOUHEJIEDIQUEKOUCHUDEBUXIANCENGZOUXIANCHUQU,BUGUOQUEKOUCHUZHOUWEIYAOJINKENENGBEIGUANGDADEJIEDIMIANJIBAOWEI,BUTONGXINHAOCENGSHANGDEJIEDIKEJIEYOUDUOGEGUOKONGLIANZAIQI。 JINGUANYOUYISHANGDEQUEDIAN,DANSHIJINSHUPINGBIZHAORENGRANFEICHANGYOUXIAO,ERQIECHANGCHANGSHIGELIGUANJIANDIANLUDEWEIYIJIEJUEFANGAN。

  5、DIANYUANQUOUDIANLU

  QIADANGERYOUXIAODEXINPIANDIANYUANQUOU(decouple)DIANLUYEFEICHANGZHONGYAO。XUDUOZHENGHELEXIANXINGXIANLUDERFXINPIANDUIDIANYUANDEZAOYINFEICHANGMINGAN,TONGCHANGMEIGEXINPIANDOUXUYAOCAIYONGGAODASIGEDIANRONGHEYIGEGELIDIANGANLAILVCHUQUANBUDEDIANYUANZAOYIN。

  ZUIXIAODIANRONGZHITONGCHANGQUJUEYUDIANRONGBENSHENDEXIEZHENPINLVHEJIEJIAODIANGAN,C4DEZHIJIUSHIJUCIXUANZEDE。C3HEC2DEZHIYOUYUQIZISHENJIEJIAODIANGANDEGUANXIERXIANGDUIBIJIAODA,CONGERRFQUOUXIAOGUOYAOCHAYIXIE,BUGUOTAMENJIAOSHIHEYULVCHUJIAODIPINLVDEZAOYINXINHAO。RFQUOUZESHIYOUDIANGANL1WANCHENGDE,TASHIRFXINHAOWUFACONGDIANYUANXIANOUHEDAOXINPIANZHONG。YINWEISUOYOUDEZOUXIANDOUSHIYITIAOQIANZAIDEJIKEJIESHOUYEKEFASHERFXINHAODETIANXIAN,SUOYI,JIANGSHEPINXINHAOYUGUANJIANXIANLU、LINGZUJIANGELISHIBIXUDE。

真牛论坛怎么了  ZHEIXIEQUOUZUJIANDESHITIWEIZHITONGCHANGYEHENGUANJIAN。ZHEIJIGEZHONGYAOZUJIANDEBUJUYUANZESHI:C4YAOJINKENENGKAOJINICJIEJIAOBINGJIEDI,C3BIXUZUIKAOJINC4,C2BIXUZUIKAOJINC3,ERQIEICJIEJIAOYUC4DELIANJIEZOUXIANYAOJINKENENGDUAN,ZHEIJIGEZUJIANDEJIEDIDUAN(YOUQISHIC4)TONGCHANGYINGDANGJIEYOUBANMIANXIADIYIGEJIEDICENGYUXINPIANDEJIEDIJIAOXIANGLIAN。JIANGZUJIANYUJIEDICENGXIANGLIANDEGUOKONGYINGGAIJINKENENGKAOJINPCBBANSHANGDEZUJIANHANPAN,ZUIHAOSHISHIYONGDAZAIHANPANSHANGDEMANGKONGJIANGLIANJIEXIANDIANGANJIANDAOZUIXIAO,DIANGANL1YINGGAIKAOJINC1。

  YIGEJICHENGDIANLUHUOFANGDAQICHANGCHANGJUYOUYIGEJIDIANJIKAILUSHUCHU(open collector),YINCIXUYAOYIGESHANGLADIANGAN(pullup inductor)LAITIGONGYIGEGAOZUKANGRFFUZAIHEYIGEDIZUKANGZHILIUDIANYUAN,TONGYANGDEYUANZEYESHIYONGYUDUIZHEIYIDIANGANDEDIANYUANDUANJINXINGQUOU。YOUXIEXINPIANXUYAODUOGEDIANYUANCAINENGGONGZUO,YINCIKENENGXUYAOLIANGDAOSANTAODIANRONGHEDIANGANLAIFENBIEDUITAMENJINXINGQUOUCHULI,RUGUOGAIXINPIANZHOUWEIMEIYOUZUGOUDEKONGJIAN,NEIMEQUOUXIAOGUOKENENGBUJIA。YOUQIXUYAOTEBIEZHUYIDESHI:DIANGANJISHAOPINGXINGKAOZAIYIQI,YINWEIZHEIJIANGXINGCHENGYIGEKONGXINBIANYAQI,BINGXIANGHUGANYINGCHANSHENGGANRAOXINHAO,YINCITAMENZHIJIANDEJULIZHISHAOYAOXIANGDANGYUQIZHONGZHIYIDEGAODU,HUOZHECHENGZHIJIAOPAILIEYISHIQIHUGANJIANDAOZUIXIAO。