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有线电视信号放大器 MODEL :20DG3 在网上差不到线路图啊 怎么办啊
学习了。
绛旓細鏀惧ぇ鍣娴嬭瘯鍙ｆ帴涓涓竴鍒嗘敮锛屽垎鏀櫒鍒嗘敮鍙ｆ帴涓妤肩殑涓涓粓绔紝涓昏緭鍑哄彛鎺ヤ竴涓洓鍒嗛厤鍐嶆帴涓妤肩殑鍏朵綑鍥涗釜缁堢銆傛斁澶у櫒鐨勮緭鍑哄彛鐩存帴涓婁簩妤硷紝浜屾ゼ鎺ヤ竴涓簲鍒嗘敮20db锛堝畨鏀惧ぇ鍣ㄨ緭鍑93鍒100db鏉ョ畻锛夛紝鍒嗘敮涓昏緭鍑哄彛涓婁笁妤硷紝浜斾釜鍒嗘敮鍙ｅ垎鍒帴浜屾ゼ鐨勪簲涓粓绔備笁妤兼帴浜斿垎鏀16db鎴18db锛屽洓妤兼帴浜斿垎閰嶆垨浜...
绛旓細涓嶇劧鍔犺涓鐢佃淇″彿鏀惧ぇ鍣鏁堟灉涔熶笉澶槑鏄俱傛淇ソ绾胯矾锛屽淇″彿杩樻槸寮憋紝灏遍渶瑕佽涓數瑙嗕俊鍙锋斁澶у櫒浜嗐鏈夌嚎鐢佃鏀惧ぇ鍣ㄧ殑鍘熺悊鏄數瑙嗕俊鍙蜂粠杈撳叆绔淚N鈥濊緭鍏ョ粡鍧囪 鍣ㄥ拰澧炵泭璋冩暣琛板噺鐢典綅鍣ㄨ繘鍏ユ斁澶у櫒妯″潡杩涜鏀惧ぇ锛屼粠鈥淥UT鈥濆杈撳嚭閫佷笅涓绾ф垨鐢ㄦ埛鍒嗘敮鍒嗛厤绯荤粺锛屽潎琛″櫒鏈夊浐瀹6dB锝19dB涓嶇瓑锛屽潎琛℃彃鐗囥
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绛旓細鎴戠湅鍒板緢澶淇″彿鏀惧ぇ鍣涓婇兘鏈 CATV 浣犲弬鑰冧竴涓
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绛旓細浜屽垎閰嶆垨涓夊垎閰嶉兘鍙互鐢紝瑙嗗叿浣撴儏鍐垫敼鎺ャ備簩鍒嗛厤姣忎釜杈撳嚭鍙ｈ“鍑4db,涓夊垎閰嶆瘡涓緭鍑哄彛琛板噺6db,鐢佃绾姣忕背琛板噺0.2db,鍔犺鏃惰璁＄畻銆傛渶濂界敾涓寮犲浘锛岀嚎琛板噺鍔犺緭鍑哄彛琛板噺锛屽敖閲忎娇姣忓彴鐢佃寰楀埌鐨淇″彿宸埆灏忎竴鐐广傝绠楁椂鍙娇鐢ㄧ畝鍗曞姞娉曞嵆鍙
绛旓細鍒濈骇220V,娆＄骇鐢靛帇9V鐨凟鍙樺氨鍙互浜嗭紝浣犱拱7805鍙互浠ｆ浛
绛旓細浠鏈夌嚎鐢佃鍙扮殑淇″彿缁鏀惧ぇ鍣鏀惧ぇ鍚庢帴涓涓簩鍒嗛厤,鍒嗘垚涓よ矾淇″彿(鐢垫涓よ竟),浜屽垎閰嶅悗鎺ヤ袱涓14鍒嗛厤,涓涓緭鍑哄彛鎺ヤ竴灞傛ゼ,姣忓眰妤煎啀鎺ヤ竴涓簩鍒嗛厤.褰撶劧鎮ㄤ篃鍙互鍦ㄦ斁澶у櫒鐨勫悗闈㈡帴14鍒嗛厤,姣忎釜鍒嗛厤鍙ｅ啀鎺ヤ竴涓4鍒嗛厤.甯屾湜鑳藉府鍒版偍.
