0 寮曡█
闅忕潃闆嗘垚鐢?shù)璧\宸ヨ壓鍜岄泦鎴愬害鐨勪笉鏂彁楂橈紝闆嗘垚鐢?shù)璧\鐨勫伐浣滅數(shù)鍘嬭秺鏉ヨ秺浣庯紝閫熷害瓚婃潵瓚婂揩銆傝繘鍏ユ柊涓栫邯鍚庯紝CPU鍜岀綉緇滈兘榪堝叆浜咷HZ鐨勬椂浠ｏ紝榪欏浜嶱CB鏉跨殑璁捐鎻愬嚭浜嗘洿楂樼殑瑕佹眰銆傛湰鏂囨鏄熀浜庤繖縐嶈儗鏅笅錛屽楂橀烶CB璁捐涓渶閲嶈鐨勭幆鑺備箣涓鈥斺旂數(shù)婧愮殑鍚堢悊甯冨眬甯冪嚎榪涜鍒嗘瀽鍜屾帰璁ㄣ?/p>
1 鐢墊簮妯″瀷鍒嗘瀽
閫氬父錛屽湪榪涜鐞嗚涓婄殑鍒嗘瀽鍜岃綆楁椂錛岄兘鏄妸鐢墊簮榪涜鐞嗘兂鍖栵紝鍗崇數(shù)婧愭棤鍐呴樆錛屼篃鏃犲瘎鐢熼樆鎶椼傚鏋滅敤涓涓?.3V鐨勭數(shù)鍘嬫簮瀵筆CB涓婄殑鍏冧歡渚涚數(shù)錛岄偅涔堟棤璁鴻窛紱葷數(shù)婧愮殑榪滆繎錛屽悇涓厓浠墮兘搴斿伐浣滃湪3.3V錛屼笖娌℃湁鍣０銆傜劧鑰屽湪瀹為檯鐨勮璁″伐浣滀腑錛岀敱浜嶱CB涓婄殑Ic鍜岃緭鍏ヨ緭鍑虹殑淇″彿閮藉伐浣滃湪楂橀涓嬶紝鐢?shù)鍦哄拰纾佸満鐨勭涙簰杞寲錛屽繀涓嶅彲鍏嶇殑緇欑數(shù)婧愬紩鍏ヤ簡鍣０錛屽鍥?銆佸浘2鎵紺恒傚悓鏃剁敱浜嶱CB鏉夸笂鐨勮蛋綰塊潪甯哥殑緇嗭紝鍙堜駭鐢熶簡鐢變簬綰胯礬闃繪姉寮曡搗鐨勫帇闄嶏紝浣胯繙紱葷數(shù)鍘嬫簮鐨勫櫒浠跺伐浣滅數(shù)鍘嬪皬浜庣數(shù)婧愮數(shù)鍘嬨傚洜鑰岄珮閫烶CB鐨勭數(shù)婧愬竷綰垮瓨鍦ㄤ袱涓叧閿殑闂錛氱數(shù)婧愬櫔澹板拰鍘嬮檷銆?br>
鍥? 鐞嗘兂鐢墊簮淇″彿妯″瀷 鍥? 瀹為檯鐢墊簮淇″彿妯″瀷
2 鐢墊簮綰跨殑鍚堢悊甯冨眬
璁捐楂橀烶CB鏉跨殑鍏抽敭涔嬩竴灝辨槸瑕佸敖鍙兘鐨勫噺灝忕敱浜庣嚎璺樆鎶楀紩璧風(fēng)殑鍘嬮檷鍜岄珮棰戠數(shù)紓佸満杞崲鑰屽紩鍏ョ殑鍚勭鍣０銆傞氬父鐢ㄤ袱縐嶆柟娉曟潵瑙ｅ喅涓婅堪闂銆備竴鏄數(shù)婧愭葷嚎鎶鏈?POWER BUS)錛屽彟涓縐嶆柟娉曞氨鏄噰鐢ㄤ竴涓崟鐙殑鐢墊簮灞傝繘琛屼緵鐢點傚悗鑰呭湪寰堝ぇ紼嬪害涓婄紦瑙ｄ簡鍘嬮檷鍜屽櫔澹扮殑闂錛屼絾鑰冭檻鍒板灞侾CB鐨勫伐鑹哄鏉傦紝鏄傝吹鐨勮垂鐢ㄥ拰杈冮暱鐨勫埗浣滃懆鏈燂紝涓鑸璁¤呬滑鏇村枩嬈㈤噰鐢ㄥ墠鑰咃紝鍥犺屾湁蹇呰瀵圭數(shù)婧愭葷嚎鐨勫悎鐞嗗竷綰胯繘琛屽垎鏋愯璁恒?br> 濡傚浘3鎵紺猴紝閲囩敤浜嗙數(shù)婧愭葷嚎鎶鏈紝鍚勪釜鍏冨櫒浠舵?zhèn)寕鍦ㄧ攭|簮鎬葷嚎涓婏紝鎵浠ュ張縐頒箣涓烘?zhèn)寕寮忔葷嚎錛岀數(shù)婧?nbsp; 鎬葷嚎鐨勫搴﹂氬父姣旀櫘閫氱殑淇″彿綰胯瀹斤紝閲囩敤鎬葷嚎鎶鏈悗錛岃櫧鐒跺彲浠ュ噺灝忓帇闄嶅拰鍜屽櫔澹扮殑闂錛屼絾瀹冧滑浠嶇劧瀛樺湪鐨勩?br>
鍥? 鐢墊簮鎬葷嚎 鍥? 鏀硅繘鍨嬬數(shù)婧愭葷嚎
棣栧厛鏉ョ湅鍘嬮檷闂錛屽亣璁劇數(shù)婧愮數(shù)鍘嬩負3.3V錛?A錛孉B錛孊C錛孋D錛孊E錛孉F鍚勬瀵肩嚎鐨勭數(shù)闃諱負0.05Ω錛孭CB鏉夸笂鐨勬瘡涓厓鍣ㄤ歡鐨勬墖鍑烘垨鍚稿叆鐢墊祦涓?00ma錛屽茍浣滀袱涓悊鎯沖亣瀹氾細
1錛庝笉鑰冭檻鐢變簬A錛孊錛孋澶勭數(shù)婧愮嚎鍦扮獊鐒舵嫄瑙掕屼駭鐢熺殑鐢?shù)鍘嬬攭|祦紿佸彉錛?br> 2錛庝笉鑰冭檻杈圭晫鍏冧歡(1錛?錛?錛?2)鐢變簬鐢電鍦哄湴鐩鎬簰杞崲鑰屽紩璧風(fēng)殑杈圭晫鏁堝簲銆?br> 鍒欏綰縊A涓殑鐢墊祦涓?.6A錛屽綰匡紟AB涓殑鐢墊祦涓?.6A錛屽綰緽C鍜孋D涓殑鐢墊祦涓?.8A錛屾渶鍚庡厓浠?涓婄殑鐢?shù)鍘嬩负锛?br> 3.3-2.6×0.05-1.6×0.05-0.8×0.05=3.01V
鐢變簬綰胯礬鐨勯樆鎶椾駭鐢熶簡0.29V鐨勫帇闄嶏紝鍋忓樊鍑犱箮杈懼埌10錛咃紝榪欏浜庝竴涓?.3V鐨勭數(shù)鍘嬫潵璇村凡緇忔槸鐩稿綋澶т簡錛岃屼笖闅忕潃IC鏈濅綆鐢?shù)鍘嬫柟鍚戠殑鍙戝睍锛屽凡缁忔湁寰堝宸ヤ綔鍦?.5V涔冭嚦鏇翠綆鐨処c錛屽洜姝よ繖鏍峰ぇ鐨勫帇闄嶅皢鏄潪甯歌嚧鍛界殑銆傚悓鏃訛紝鍦ㄨ繖縐嶇數(shù)婧愭葷嚎涓嬶紝鍣０涔熸槸涓涓緢澶х殑闂錛屽鍥?錛屾瘡涓櫒浠朵駭鐢熺殑鍣０閮藉皢閫氳繃鐢墊簮鑰﹀悎鍒板厓浠?3涓紝榪欎篃灝辨槸璇村櫒浠?3鍙犲姞浜?3涓厓浠剁殑鍣０錛岃繖灝嗗緢瀹規(guī)槗寮曡搗鍣ㄤ歡13涓嶈兘姝ｅ父宸ヤ綔銆傜敱浜庤繖涓や釜闂渚濈劧瀛樺湪錛屽洜姝ゅ鐢墊簮鎬葷嚎鎶鏈繘琛屼簡鏀硅繘錛屽鍥?鎵紺猴紝瀹冭縐頒負鐢墊簮鎬葷嚎緗戠粶娉曪紝鍗寵鐢墊簮鎬葷嚎鐩鎬簰浜ゅ弶錛岃屾妸瀵瑰櫔澹板拰鍘嬮檷鏁忔劅鐨勫厓浠舵斁鍦ㄧ數(shù)婧愮嚎緗戠粶鐨勪氦鍙夌偣涓婏紝浣垮緱姣忎竴涓厓浠跺悓鏃跺睘浜庡嚑涓笉鍚岀殑鍥炶礬錛屽鍥?涓殑鍏冧歡6錛?灝卞垎鍒睘浜庡洓涓笉鍚岀殑灝忓洖璺傜敱浜庣數(shù)嫻佸彲浠ヤ粠緗戠粶涓殑浠諱綍涓鏉℃葷嚎涓婅繘鏉ユ垨鍑哄幓錛岃屼笖姣忎竴涓綉瀛旀瀯鎴愪簡涓涓洖璺紝榪欏氨涓嶄粎鍙互浣跨綉緇滀腑姣忔潯鎬葷嚎涓婄殑鐢墊祦瓚嬩簬鍧囪 錛屼笉浼氬嚭鐜版?zhèn)寕寮忔葷嚎涓婄殑鍚勬鎬葷嚎鐢墊祦澶у皬涓嶄竴鑷寸殑闂錛屽洜姝ゅ氨鍙互鍑忓皬鐢變簬綰胯礬闃繪姉寮曡搗鐨勫帇闄嶉棶棰樸傚厓浠剁殑鐢墊祦鐢卞悇緗戝瓟417/鍒嗘媴錛屾瘡涓綉瀛旂殑鐢墊祦涓?00mA銆傚浜庡厓浠?錛屽厓浠?鍜屽厓浠?鐨勭數(shù)鍘嬮兘姣斿畠楂橈紝鍥犺岀數(shù)嫻佷粠鍏冧歡1鍜?嫻佸悜5錛屼粠5嫻佸嚭鍒?銆傚湪鏈鍧忔儏鍐典笅鍗?br>鍏冧歡9鍜?鐨勭數(shù)嫻佸叏閮ㄤ粠涓绔祦鍑鴻繘鍏ュ厓浠?錛屽垯鍏冧歡5涓婄殑鐢?shù)鍘嬩?.3-0.4×0.05=3.28V(浠嶅亣瀹氬悇孌靛綰跨數(shù)闃諱負0.05Ω)錛岃姣旀?zhèn)寕寮忔葷嚎楂樹簡璁稿銆傛?zhèn)寕寮忕攭|簮鎬葷嚎鍜屾敼榪涘瀷鐢墊簮鎬葷嚎涓厓浠?錛?錛?鍏冧歡鐨勭數(shù)鍘嬫暟鎹垎鍒琛?鍜岃〃2鎵紺猴細
| 鑺傜偣鍏冧歡 | 鐢?shù)鍘?V) |
| 1 | 3.13 |
| 5 | 3.05 |
| 9 | 3.01 |
琛? 鍒嗗竷寮忕數(shù)婧愭葷嚎鐢?shù)鍘?br>
| 鑺傜偣鍏冧歡 | 鐢?shù)鍘?V) |
| 1 | 3.3 |
| 5 | 3.28 |
| 9 | 3.3 |
琛? 鏀硅繘鍨嬬數(shù)婧愭葷嚎鐢?shù)鍘?br> 浠庤〃涓彲浠ョ湅鍒扮敱浜庨噰鐢ㄤ簡鏀硅繘鐨勭數(shù)婧愭葷嚎鎶鏈紝鍏冧歡1錛?錛?鐨勭數(shù)鍘嬮兘寰楀埌浜嗘瀬澶х殑鎻愬崌銆?br> 鍚屾椂瀵逛簬鍚勪釜鍏冧歡浜х敓鐨勫櫔澹版潵璇達紝鐢變簬騫叉壈鏄珮棰戜俊鍙鳳紝鍥犺屾瘡涓洖璺彲浠ョ湅鎴愪竴涓崟鍖濈嚎鍦堛傛牴鎹硶鎷夌鐢電鎰熷簲瀹氬緥ξ=dφ/dt錛岀敱浜庢瘡涓洖璺腑鐨勭數(shù)嫻佹柟鍚戜笉涓鏍鳳紝鍥犺屼駭鐢熺殑鍙樺寲紓佸満(澶у皬涓虹┛榪囨瘡涓綉瀛旂殑紓侀?#966;)鐨勬柟鍚戜篃灝變笉涓鑷達紝鍥犺屾劅搴旂殑鐢?shù)鍔ㄥ娍鐨勬柟鍚戜篃灏变笉涓鑷達紝榪欐牱灝卞彲浠ヨ搗鍒扮浉浜掓姷娑堢殑浣滅敤錛屽噺灝忎簡鐢變簬鍣０騫叉壈浜х敓鐨勫皷閿嬬數(shù)鍘嬫垨鐢墊祦錛屼繚鎶や簡鍏冧歡鐨勬甯稿伐浣溿傚悓鏃剁敱浜庣數(shù)婧愭葷嚎緗戠粶鏄潅涔辨棤绔犵殑錛屽洜鑰屾瘡涓厓鍣ㄤ歡浜х敓鐨勫櫔澹伴氳繃鐢?shù)鍘嬺q沖潎鐨勮﹀悎鍒板叾瀹冨悇涓厓鍣ㄤ歡涓婂幓錛屾渶緇堝噺灝忎簡榪滅鍣ㄤ歡鐨勫帇闄嶅拰榪戠鍣ㄤ歡鐨勫櫔澹伴棶棰?鐩稿鐢墊簮鑰岃█)銆傛敼榪涚殑鐢墊簮緗戠粶鎬葷嚎鎶鏈笉浠呭瀹忚鐨凱CB鍗佸垎鏈夋晥錛屽寰鐨勫ぇ瑙勬ā闆嗘垚鐢?shù)璧\涓殑鐢墊簮鐨勫竷綰夸篃鍏鋒湁涓瀹氱殑鍙傝冧環(huán)鍊箋?/p>
3 婊ゆ嘗鐢?shù)瀹圭殑閫夊彇涓庢斁緗?/strong>
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浠庡師鏉ョ殑PCB鏂囦歡涓鍑哄厓浠跺皝瑁?
搴﹂噺鍗曚綅鐨勬敼鍙?
PCB涓浣曞揩閫熷畾浣嶅埌鏌愬厓浠?
PCB涓慨鏀瑰崟涓厓浠剁殑灝佽
闃呰鍏ㄦ枃
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