555与cd4017的设计的信号发生器各有什么优缺点 求助，用NE555+CD4017做流水灯
ne555cd4017\u6d41\u6c34\u706f\u5982\u4f55\u8fde\u63a5\uff1f\u8981\u56fe\uff01\u6e05\u6670\u70b9\u7684\u3002\u3000\u3000\u8be5\u6d41\u6c34\u706f\u7535\u8def\u7531\u65f6\u949f\u53d1\u751f\u7535\u8def\u548c\u529f\u80fd\u663e\u793a\u7535\u8def\u4e24\u90e8\u5206\u7ec4\u6210\u3002
\u3000\u3000\u4ee5\u96c6\u6210\u7535\u8defNE555\u4e3a\u6838\u5fc3\u5668\u4ef6\u6784\u6210\u81ea\u6fc0\u591a\u8c10\u632f\u8361\u5668\u3002
\u3000\u3000\u5f53\u7535\u6e90\u5f00\u5173S\u95ed\u5408\u65f6\uff0c\u7535\u6e90\u901a\u8fc7\u7535\u963bR1\u548cR2\u5411\u7535\u5bb9\u5668C1\u5145\u7535\u3002
\u3000\u3000\u5f53C1\u521a\u5145\u7535\u65f6\uff0c\u7531\u4e8e555\u7684\u2461\u811a\u5904\u4e8e\u4f4e\u7535\u5e73\uff0c\u6545\u8f93\u51fa\u7aef\u2462\u811a\u5448\u9ad8\u7535\u5e73\uff1b
\u3000\u3000\u5f53\u7535\u6e90\u7ecfR1\u3001R2\u5411C1\u5145\u7535\u52302/3\u7535\u6e90\u7535\u538b\u65f6\uff0c\u8f93\u51fa\u7aef\u2462\u811a\u7535\u5e73\u7531\u9ad8\u53d8\u4f4e\uff0c555\u5185\u90e8\u653e\u7535\u7ba1\u5bfc\u901a\uff0c\u7535\u5bb9C1\u7ecfR2\u5411555\u7684\u2466\u811a\u653e\u7535\uff0c\u76f4\u81f3C1\u4e24\u7aef\u7535\u538b\u4f4e\u4e8e1\uff0f3\u7535\u6e90\u7535\u538b\u65f6\uff0c555\u7684\u2462\u811a\u53c8\u7531\u4f4e\u7535\u5e73\u53d8\u4e3a\u9ad8\u7535\u5e73\uff0cC1\u53c8\u518d\u6b21\u5145\u7535\uff0c\u5982\u6b64\u5faa\u73af\u5de5\u4f5c\uff0c\u5f62\u6210\u632f\u8361\u3002
\u3000\u3000555\u7684\u9891\u7387\u53ef\u4ee5\u901a\u8fc7\u6539\u53d8\u7535\u963bR2\u7684\u963b\u6b62\u800c\u6539\u53d8\uff0c\u5176\u65f6\u949f\u8f93\u51fa\u76f4\u63a5\u8fdb\u51654017\u768414\u811a\uff0c\u8fd9\u6837\u6765\u9a71\u52a88\u4e2aLED\u8d1f\u8f7d\uff0c\u4f7f\u5176\u5faa\u73af\u70b9\u4eae
\u3000\u3000\u57283\u811a\u63a5\u4e2a\u793a\u6ce2\u5668\u770b\u4ed6\u7684\u6ce2\u5f62\uff0c\u5e94\u8be5\u662f\u4e2a\u65b9\u6ce2\uff0c\u4e0d\u662f\u5219\u68c0\u67e5555\u90e8\u5206\uff0c\u53cd\u4e4b\u5219\u68c0\u67e54017\u90e8\u5206
绛旓細鍦ㄨ繖涓疄楠屼腑锛屾垜浠皢鎺㈢储濡備綍浣跨敤555瀹氭椂鍣鍜孋D4017鑺墖锛岄氳繃绮惧瘑璁捐瀹炵幇9涓狶ED鐏互0.5绉掔殑闂撮殧渚濇鐐逛寒锛屽垱閫犲嚭缁忓吀鐨勬祦姘寸伅鏁堟灉銆傛墜鍔ㄦ祦姘寸伅鐨勬紨绀 棣栧厛锛岃鎴戜滑閫氳繃涓涓洿瑙傜殑鎵嬪姩娴佹按鐏璁℃潵鐞嗚ВCD4017鐨宸ヤ綔鍘熺悊銆傛兂璞′竴涓畝鍗曠殑鎸夐敭鐢佃矾锛岀數婧愭璐熸瀬闂磋繛鎺ヤ竴涓寜閿紑鍏筹紝鎼厤鐢甸樆淇濇姢鐢佃矾銆傚綋鎸変笅...
绛旓細555鍙互浣滄柟娉㈠彂鐢熷櫒,CD4017鏄垎棰戝櫒/璁℃暟鍣,濡傛灉娌℃湁澶栭儴鑴夊啿婧愮殑璇,褰撲笉浜嗕俊鍙峰彂鐢熷櫒
绛旓細555鏋勬垚鎸崱鍣ㄧ數璺紝鍏堕鐜囧皢鍐冲畾褰╃伅鐨勯棯鐑佹椂闂撮暱鐭紱4017鏄崄鍒嗛鍣ㄤ篃鍙鏁板櫒锛屾槸瀵555淇″彿杩涜璁℃暟锛涜璇磋绠楋紝璁＄畻555鐨勯鐜囦簡锛屽幓濂藉ソ鐮旂┒555鑺墖鍚э紝娉㈠舰锛屽叾瀹炴槸鏃跺簭锛屽ソ濂界湅鐪4017璧勬枡鍚э紱
绛旓細555鏄剦鍐蹭骇鐢熷櫒锛CD4017鏄剦鍐茶鏁板櫒锛屼袱涓兘涓嶆槸鍙紪绋嬪櫒浠躲侰D4017鏈10绾у垎棰戣剼浣嶏紝鎸夌収娌℃帴鏀跺埌10涓剦鍐诧紝杈撳嚭1涓剦鍐 渚嬪锛氫俊鍙疯緭鍏ヨ剼鎺ユ敹鍒10涓剦鍐诧紝1绾у垎棰戣剼浣嶆湁1涓剦鍐茶緭鍑 1绾у垎棰戣剼浣嶈繛缁緭鍑10涓剦鍐插悗锛2绾у垎棰戣剼浣嶆湁1涓剦鍐茶緭鍑猴紝浠ユ绫绘帹銆傚鏋滆鎺у埗娴佹按鐏殑绉诲姩鎴栭棯鐑侀熷害锛屽彧闇...
绛旓細灏嗙伅娉′覆杩涜緭鍑轰笁鏋佺闆嗙數鏋佸氨鍙互浜嗐 NE555銆CD4017鐢垫簮鐢靛帇鍙互鐢12V锛氱伅娉″彲浠ュ拰涓夋瀬绠″叡鐢+12V 锛屽熀鏋佺數闃绘牴鎹礋杞界數娴佸ぇ灏忕‘瀹氾紝涓夋瀬绠℃斁澶у嶆暟澶ц嚧鍙互鍙50锛屽熀鏋佺數闃诲ぇ绾︾瓑浜庣伅娉＄數闃荤殑50鍊嶃4017杈撳嚭鐢垫祦鍙湁姣畨绾у埆锛屽啀澶х殑鐏场锛岄渶瑕佺敤杈炬灄椤垮鍚堢銆
绛旓細NE555
绛旓細555 杈撳嚭2绉掑懆鏈熸柟娉㈣剦鍐蹭緵CD4017浣滄椂鍩轰俊鍙凤紝瀵瑰簲鏃跺熀淇″彿 3, 2, 4 ,7鑴氶『搴忔瘡2绉掕緭鍑洪珮鐢靛钩锛屾墍灞炵殑Led涓插啀鐢8050椹卞姩鐐逛寒锛7鑴氬畬鎴2绉掕緭鍑洪珮鐢靛钩寰岋紝涓嬩竴涓緭鍑洪珮鐢靛钩鏄10鑴氾紝杩欎釜楂樼數骞虫帴鍒15鑴氫綔閲嶇疆淇″彿浠D4017閲嶆柊寮濮嬩箣鍓嶇殑鍔ㄤ綔銆
绛旓細鐢555鍋氭棤绋虫佺數璺棿鎺ュ弽棣堝瀷,鎸崱鐢甸樆鏄繛鍦ㄧ數婧怴CC涓婄殑銆傚叾涓1涓崟鍏冪數璺槸搴旂敤鏈骞跨殑銆傜2涓崟鍏冪數璺槸鏂规尝鎸崱鐢佃矾銆555鐨绗3绔緭鍑虹粰4017璁╁畠寰幆璁℃暟: CD4017寮曡剼鍔熻兘:鑺墖鏈10涓瘧鐮佽緭鍑篞0锝濹9;MR涓烘竻闆剁,CP0鍜岋綖CPl鏄2涓椂閽熻緭鍏ョ,涓変釜杈撳嚭绔殑鎺у埗. 0Y1Y2Y銆傛瘡涓瘧鐮佽緭鍑轰竴鑸浜庝綆...
绛旓細锛1锛夊僵鐏數璺殑鎺у埗鐢佃矾鏈夊紑鍏虫帶鍒躲傦紙2锛夊彲涓槸鐢555鐢佃矾浜х敓鏃堕棿鍛ㄦ湡鐨勮剦鍐叉尝锛岃Е鍙戞暟瀛楄姱鐗CD4017杈撳嚭涓涓10浣嶇殑2杩涘埗鐨勪俊鍙峰湪Q0~Q9鑴氳緭鍑猴紝浠庤屼骇鐢熷僵鐏數璺傦紙3锛夐鐜囪绠楋細T =0.693(R1+2R2)*C 锛4锛夊弬鑰冧竴涓 http://hi.baidu.com/dzkfw/item/398366d152be10ca1b72b44e ...
绛旓細555鏋勬垚鎸崱鍣紝浣滀负4017鐨鏃堕挓CP銆4017鏄叿鏈夎瘧鐮佸姛鑳界殑鍗佽繘鍒惰鏁板櫒鈥斺擰0~Q9杩10涓緭鍑虹闅廋P杞祦杈撳嚭楂樼數骞炽傛湰棰樿姹傛帶鍒8涓狶ED杞祦鍙戝厜锛屾晠搴旇閲囩敤鍏繘鍒惰鏁板櫒锛屽皢4017鐨勮緭鍑虹Qn鎺ヨ嚦4017鐨勫浣嶏紙娓呴浂锛夌CR鍗冲彲鏋勬垚n杩涘埗璁℃暟鍣ㄣ傛牴鎹4017鐨勬暟鎹〃锛屽叾杈撳嚭绔殑杈撳嚭鐢垫祦涓1mA宸﹀彸锛屼笉瓒充互鐩存帴...
