什么是Rc滤波电路，什么作用，求解释 RC滤波电路和LC滤波电路的区别
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2、在电路中起到平滑信号或电压的作用。
RC滤波电路用来滤除由输入端引入的干扰噪声，消除因外接输入点动作时产生的抖动引起的不良影响，滤波电路的时间常数决定了输入滤波时间的长短，其典型值为10ms左右
就是正电源到滤波电容正极之间串联一只电阻，电阻相当于电感，起平滑纹波电压作用。
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绛旓細RC婊ゆ尝鏄竴绉鐢佃矾婊ゆ尝鍣紝瀹冪敱涓涓數闃诲拰涓涓數瀹圭粍鎴愶紝鐢甸樆鍜岀數瀹逛箣闂村舰鎴愪竴涓猂C缃戠粶銆俁C婊ゆ尝鍣鐨勪綔鐢鏄妸杈撳叆淇″彿涓殑楂橀鎴愬垎婊ら櫎鎺夛紝鍙繚鐣欎綆棰戞垚鍒嗭紝浠庤岃揪鍒版护娉㈢殑鐩殑銆俁C婊ゆ尝鍣ㄧ殑宸ヤ綔鍘熺悊鏄紝褰撹緭鍏ヤ俊鍙烽氳繃鐢甸樆鏃讹紝鐢甸樆浼氭妸杈撳叆淇″彿鐨勯珮棰戞垚鍒嗘秷鑰楁帀锛岃屼綆棰戞垚鍒嗗垯浼氱粡鐢辩數瀹硅繘鍏ヨ緭鍑虹銆傜數瀹圭殑...
绛旓細杩欎釜渚嬪瓙鍛婅瘔鎴戜滑锛屼竴绉鐢佃矾锛鏈夋椂鐢ㄧ殑鏄骞呴鐗规э紝鏈夋椂鐢ㄧ殑鏄浉棰戠壒鎬с傚悓鏍凤紝涓闃RC楂橀婊ゆ尝鐢佃矾闄や簡鍏锋湁浣庨鎴愬垎琛板噺鍔熻兘涔嬪锛岃繕鍏锋湁瓒呭墠绉荤浉鍔熻兘銆備俊鍙烽鐜囪秺浣庯紝杈撳嚭鐢靛帇鐩稿浜庤緭鍏ョ數鍘嬬殑瓒呭墠灏辫秺澶с傚綋淇″彿棰戠巼绛変簬鎴棰戠巼锛屽嵆蠅RC=1鏃讹紝杈撳嚭鐢靛帇姣旇緭鍏ョ數鍘嬭秴鍓45º銆傁塕C鈫0鏃讹紝瓒呭墠绉荤浉...
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绛旓細RC鐢佃矾鏄敱鐢甸樆鍜岀數瀹圭粍鎴愮殑鐢佃矾锛鍏锋湁婊ゆ尝銆佸欢鏃躲佹尟鑽＄瓑澶氱搴旂敤銆備互涓鏄疪C鐢佃矾鐨鍑犵甯歌鐢ㄩ锛(1) 婊ゆ尝锛歊C鐢佃矾鍙互閫氳繃鏀瑰彉鐢靛鍜岀數闃荤殑鍙栧兼潵瀹炵幇涓嶅悓棰戠巼鐨勪俊鍙锋护娉紝甯哥敤浜庣數婧愭护娉侀煶棰戜俊鍙峰鐞嗙瓑棰嗗煙銆(2) 寤舵椂锛歊C鐢佃矾鍙互閫氳繃鐢靛鐨勫厖鏀剧數杩囩▼鏉ュ疄鐜颁俊鍙风殑寤舵椂锛屽父鐢ㄤ簬鐢靛瓙閽熴佽鏃跺櫒绛夐鍩...
