{"id":303,"date":"2026-02-03T08:21:24","date_gmt":"2026-02-03T00:21:24","guid":{"rendered":"https:\/\/gccircuit.com\/wordpress\/?p=303"},"modified":"2026-03-06T13:50:17","modified_gmt":"2026-03-06T05:50:17","slug":"tda7294-gc-dc-servo-%e6%95%b4%e5%90%88%e5%9e%8b%e5%8a%9f%e7%8e%87%e6%94%be%e5%a4%a7%e5%99%a8","status":"publish","type":"post","link":"https:\/\/gccircuit.com\/wordpress\/2026\/02\/03\/tda7294-gc-dc-servo-%e6%95%b4%e5%90%88%e5%9e%8b%e5%8a%9f%e7%8e%87%e6%94%be%e5%a4%a7%e5%99%a8\/","title":{"rendered":"TDA7294-GC DC-SERVO\u00a0\u6574\u5408\u578b\u529f\u7387\u653e\u5927\u5668"},"content":{"rendered":"\n

\u6211\u60f3\u5e38\u5728\u6211\u5011[\u55ac\u6cbb\u67e5\u723e\u65af\u96fb\u5b50\u96fb\u8def\u7db2]\u4e0a\u901b\u7684\u4eba\u5927\u90fd\u77e5\u9053TDA7294\u4e86\uff0c\u4e0a\u6b21\u6211\u5df2\u898f\u5283\u4e26\u5206\u4eab\u4e86\u201d\u53ef\u6a4b\u63a5TDA7294\u529f\u7387\u653e\u5927\u5668\u201d\uff0c\u90a3\u70ba\u4f55\u53c8\u8981\u505a\u9019\u500b\u4e5f\u662fTDA7294\u7684DIY\u529f\u7387\u653e\u5927\u5668\u5462?<\/p>\n\n\n\n

\u4e0a\u56de\u7684\u201d\u53ef\u6a4b\u63a5TDA7294\u529f\u7387\u653e\u5927\u5668\u201d\uff0c\u662f\u7d14\u5f8c\u7d1a\uff0c\u4e26\u4e0d\u5305\u542b\u524d\u7d1a\u53ca\u5587\u53ed\u4fdd\u8b77\u7b49\u96fb\u8def\uff0c\u5b83\u5728\u6a4b\u63a5\u5f8c\u53ef\u5f97\u5230\u5f88\u5927\u7684\u529f\u7387\uff0c\u4e14\u97f3\u8cea\u4e5f\u4e0d\u932f\uff0c\u4f46\u4e0d\u662f\u6bcf\u500b\u4eba\u90fd\u6703\u4f7f\u7528\u5230\u90a3\u9ebc\u5927\u7684\u529f\u7387\uff0c\u4e14\u7576\u6210\u5169\u8072\u9053\u4f7f\u7528\u6642\uff0c\u6211\u89ba\u5f97\u97f3\u8cea\u5e73\u5e73\uff0c\u4e5f\u8a31\u662f\u6c92\u6709\u52a0\u5165DC-SERVO\u7684\u539f\u6545\uff1f<\/p>\n\n\n\n

\u90a3\u4e0d\u662f\u4e5f\u6709\u4e86LM3886 DC-SERVO AMP\u4e86\u55ce? \u4e0d\u932f\uff01 LM3886 DC-SERVO AMP \u97f3\u8cea\u771f\u8b93\u4eba\u6eff\u610f\uff0c\u5c24\u5176\u662f\u52a0\u4e86TUBE SERVO\u524d\u7d1a\u6642\uff0c\u66f4\u662f\u8b93\u4eba\u6709\u8aaa\u4e0d\u51fa\u7684\u611f\u89ba\uff0c\u4f46\u662f\u6709\u4e9b\u9ad8\u50f9\u7684\u5587\u53ed\u7d44\u5408\u6548\u7387\u8f03\u4f4e\uff0c\u8b93\u4eba\u611f\u89ba\u6709\u9ede\u63a8\u4e0d\u5927\u52d5\u7684\u611f\u89ba\uff0c\u6240\u4ee5\u6211\u5011\u9019\u6b21\u4f7f\u7528\u4e86TDA7294\u9019\u500b\u529f\u653eIC\uff0c\u4ed6\u55ae\u8072\u9053\u6709100W\uff0c\u914d\u5408\u8ddfLM3886 DC-SERVO AMP\u4e00\u6a23\u7684\u76f8\u95dc\u5468\u908a\u96fb\u8def\uff0c\u4e00\u6a23\u4e5f\u662f\u53c3\u8003\u5c0d\u5cb8\u677e\u52dd\u96fb\u5b50\u7684\u96fb\u8def\uff0c\u4ed6\u5011\u7684\u96fb\u8def\u5716\u90fd\u4e0d\u5927\u6e05\u695a\uff0c\u6211\u82b1\u4e86\u4e0d\u5c11\u6642\u9593\u628a\u5b83\u756b\u51fa\u4f86\uff0c\u4e14\u6211\u628a\u524d\u7d1aOP\u4f7f\u7528\u7684\u96fb\u6e90\u6539\u8b8a\u4e86\u4e00\u4e0b\uff0c\u56e0\u70ba\u5f9e\u88fd\u4f5cLM3886 DC-SERVO AMP\u6642\u524d\u7d1a\u96fb\u6e90\u4f7f\u7528\u76847815\u53ca7915\u4f86\u8aaa\uff0c\u53ef\u80fd\u7531\u65bc\u5ee0\u724c\u7684\u539f\u56e0\uff0c\u6b63\u3001\u8ca0\u96fb\u58d3\u7e3d\u662f\u6703\u5dee\u500b\u96f6\u9ede\u5e7e\u4f0f\u7279\uff0c\u6240\u4ee5\u9019\u6b21\u6539\u7528LM317\u53caLM337\u7a69\u58d3IC\uff0c\u4e14\u5305\u542b\u4e86\u96fb\u6e90\u7684\u4f3a\u670d\u96fb\u8def\uff0c\u5be6\u969b\u4f7f\u7d50\u679c\u771f\u7684\u9084\u4e0d\u932f\u3002<\/p>\n\n\n\n

\u96fb\u8def\u5716\u5982\u4e0b:<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u6211\u5011\u4e0d\u518d\u5c0d\u96fb\u7684\u539f\u7406\u505a\u9032\u4e00\u6b65\u8aaa\u660e\u4e86\uff0c\u7d14\u7cb9\u4ee5DIY\u6210\u679c\u5206\u4eab\u70ba\u4e3b\uff0c\u5982\u679c\u60f3\u8981\u5c0d\u96fb\u8def\u9032\u4e00\u6b65\u77ad\u89e3\uff0c\u6211\u60f3\u5230GOOGEL\u4e0a\u641c\u5c0b\u4e00\u4e0b\uff0c\u61c9\u8a72\u53ef\u4ee5\u627e\u5230TDA7294\u7684\u76f8\u95dc\u8cc7\u6599\u3002<\/p>\n\n\n\n

\u9019\u6b21\u5728\u96fb\u8def\u677fLAYOUT\u65b9\u9762\u554f\u984c\u5c11\u4e86\u8a31\u591a\uff0c\u6709\u4e86\u4e0a\u6b21LAYOUT LM3886\u7684\u7d93\u9a57\uff0c\u4e0d\u6703\u50cf\u4e0a\u6b21LM3886\u6642LAY\u4e864~5\u500b\u7248\u672c\u624d\u89e3\u6c7a\u554d\u8072\u7684\u554f\u984c\uff0c\u53ea\u505a\u4e86\u5c0f\u4fee\u6b63\uff1b\u53e6\u5916\u5728LM3886\u6642\u5927\u5bb6\u627e\u4e0d\u5230\u5408\u9069\u7684\u6563\u71b1\u7247\uff0c\u9019\u6b21\u7279\u5225\u82b1\u4e86\u7cbe\u795e\u627e\u5230\u5408\u7528\u7684\u6563\u71b1\u7247\uff0c\u5982\u679c\u5927\u5bb6\u8cb7\u4e0d\u5230\uff0c\u6211\u53ef\u4ee5\u4f9b\u61c9\uff0c\u914d\u5408LAYOUT\uff0c\u6563\u71b1\u7247\u9084\u53ef\u4ee5\u5728\u9396\u9285\u67f1\u7684\u540c\u6642\u56fa\u5b9a\u5b83\uff0c\u5f88\u7a4f\u56fa\uff01\u5982\u679c\u5927\u5bb6\u8cb7\u4e0d\u5230\uff0c\u6211\u53ef\u4ee5\u4f9b\u61c9\u3002<\/p>\n\n\n\n

\u96f6\u4ef6\u7684\u914d\u7f6e\u5716\u5982\u4e0b\uff1a<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u5b89\u88dd\u710a\u63a5\u96f6\u4ef6\u6642\uff0c\u8981\u5f9e\u8df3\u7dda\u958b\u59cb\u710a\uff0c\u6709\u6975\u6027\u7684\u96f6\u4ef6\u8981\u6ce8\u610f\u5b89\u88dd\u7684\u65b9\u5411\uff1b\u8df3\u7dda\u5982\u679c\u662f\u96fb\u6e90\u8def\u5f91\uff0c\u4f7f\u7528\u7c97\u4e00\u9ede\u7684\uff0c\u8df3\u7dda\u6750\u6599\u53ef\u4f7f\u7528\u96f6\u4ef6\u526a\u4e0b\u4f86\u7684\u8173\u5c31\u597d\u4e86\uff0c\u6211\u770b\u6709\u4e9b\u7ad9\u53cb\u4f7f\u7528\u6f06\u5305\u7dda\u6216\u662f\u88ab\u8986\u7684\u5c0e\u7dda\uff0c\u90fd\u9084\u8981\u518d\u525d\u76ae\uff0c\u6709\u9ede\u9ebb\u7169\u3002<\/p>\n\n\n\n

\u571f\u9ec4\u8272\u7684\u8def\u5f91\u662f\u7d66\u5927\u5bb6\u92ea\u935a\u7528\u7684(\u5982\u679c\u662f\u5ee0\u88fd\u677f)\uff0c\u7528\u4ee5\u52a0\u5927\u4e3b\u8981\u96fb\u6e90\u8def\u5f91\u7684\u96fb\u6d41\u80fd\u529b\u3002\u524d\u7d1a\u96fb\u8def\u4e2d\u7684OP(U2)\u76ee\u524d\u8a2d\u8a08\u4e0a\u9084\u662f\u4f7f\u7528NE5532\uff0c\u4f46\u76f8\u4fe1\u5927\u5bb6\u90fd\u5f88\u77ad\u89e3\u4e86,\u66f4\u63db\u4e00\u4e9b\u9ad8\u898f\u683c\u7684\u524d\u7d1aOP\uff0c\u5c0d\u97f3\u8cea\u53ef\u4ee5\u6709\u6539\u5584\u7684\u7a7a\u9593\uff0c\u5982\u5927\u5bb6\u5e38\u7528\u7684OPA2134\u3001OPA2604\u7b49\u96d9OP\u7684IC\u90fd\u53ef\u4ee5\u7528\uff0c\u559c\u6b61\u771f\u7a7a\u7ba1\u5473\u7684\u9084\u53ef\u4ee5\u9078\u64c7\u5927S\u7684NE5532\uff0c\u6240\u4ee5\u6700\u597d\u4f7f\u7528IC\u5ea7\u4f86\u710a\uff0c\u4ee5\u5f8c\u66f4\u63dbOP\u65b9\u4fbf\u8a31\u591a\u3002<\/p>\n\n\n\n

U3\u76ee\u524d\u4e5f\u662f\u4f7f\u7528NE5532\uff0c\u4e5f\u6709\u4eba\u6703\u63db\u7528\u66f4\u9ad8\u901f\u6216\u767c\u71d2\u7684OP\uff0c\u5f85\u5927\u5bb6\u81ea\u5df1\u5be6\u9a57\u4e86!<\/p>\n\n\n\n

\u96f6\u4ef6\u6e05\u55ae\u5982\u4e0b\u6240\u793a:<\/strong><\/p>\n\n\n\n

TDA7294-GC DC-SERVO AMP. \u96f6\u4ef6\u8868<\/strong><\/td><\/tr>
\u7de8             \u865f<\/strong><\/td>\u96f6\u4ef6\u6578\u503c<\/strong><\/td>\u5099\u8a3b<\/strong><\/td>\u6578\u91cf<\/strong><\/td><\/tr>
\u96fb                         \u5bb9<\/strong><\/td><\/tr>
C1,C2<\/td>10000uF\/50V<\/td>\u96fb\u89e3\u96fb\u5bb9<\/td>2<\/td><\/tr>
Ca22,Cb22,Ca23,Cb23,Ca24,Cb24<\/td>22uF\/50V<\/td>\u96fb\u89e3\u96fb\u5bb9<\/td>6<\/td><\/tr>
C29,C28<\/td>100uF\/50V<\/td>\u96fb\u89e3\u96fb\u5bb9<\/td>2<\/td><\/tr>
C17,C18<\/td>100uF\/25V<\/td>\u9ad8\u901f\u96fb\u89e3\u96fb\u5bb9<\/td>2<\/td><\/tr>
C26,C27<\/td>220uF\/25V<\/td>\u96fb\u89e3\u96fb\u5bb9<\/td>2<\/td><\/tr>
C9,C10,C13,C14<\/td>10uF\/25V<\/td>\u96fb\u89e3\u96fb\u5bb9<\/td>4<\/td><\/tr>
C30,C31<\/td>10uF\/25V<\/td>\u926d\u8cea\u6216\u96fb\u89e3\u96fb\u5bb9<\/td>2<\/td><\/tr>
C3,C4,C5,C6,C25,Cb25,Ca32,CB32<\/td>0.1uF<\/td>\u91d1\u5c6c\u76ae\u819c<\/td>8<\/td><\/tr>
C7,C8,C15,C16<\/td>0.1uF<\/td>\u57fa\u5c64\u96fb\u5bb9<\/td>4<\/td><\/tr>
Ca33,Cb33<\/td>1uF<\/td>\u57fa\u5c64\u96fb\u5bb9<\/td>2<\/td><\/tr>
C11,C12<\/td>33p<\/td>\u9676\u78c1\u96fb\u5bb9<\/td>2<\/td><\/tr>
Ca20,Cb20<\/td>220p<\/td>\u9676\u78c1\u96fb\u5bb9<\/td>2<\/td><\/tr>
Ca21,Cb21<\/td>1uF\/50V<\/td>\u91d1\u5c6c\u76ae\u819c<\/td>2<\/td><\/tr>
\u4ee5\u4e0b\u96fb\u963b\u6c92\u6a19\u660e\u74e6\u6578\u8005\u70ba1\/4W 1%\u91d1\u5c6c\u76ae\u819c\u96fb\u963b<\/strong><\/td><\/tr>
R1,R2<\/td>510R\/1W<\/td>\u4f7f\u752828-0-28\u8b8a\u58d3\u5668\u6642\u6539\u70ba560\u6b50\u59c6<\/td>2<\/td><\/tr>
R3,R4<\/td>200R<\/td> <\/td>2<\/td><\/tr>
R5,R6<\/td>2.2K<\/td> <\/td>2<\/td><\/tr>
R7,R8,Ra22,Rb22,R29<\/td>33K<\/td> <\/td>5<\/td><\/tr>
R9,R10,Ra12,Rb12,Ra16,Rb16** \u7d93\u591a\u6b21\u6e2c\u8a66,\u5efa\u8b70\u66f4\u63db\u6b64\u96fb\u963b\u70ba100K<\/td>1K,\u8b8a\u66f4\u70ba100K<\/td> (\u6ce8\u610f)<\/strong>Ra12,Rb12\u9019\u9846\u963b\u8ddf\u8f38\u5165\u963b\u6297\u6709\u95dc,\u76ee\u524d\u7528499R\u7b97\u662f\u5f88\u5c0f,\u6709\u4e9b\u97f3\u6e90\u63a8\u8d77\u4f86\u6703\u6709\u9ede\u5403\u91cd\u6210\u97f3\u8cea\u7684\u640d\u5931,\u90e8\u4efd\u7db2\u53cb\u76f4\u63a5\u62ff\u6389\u96fb\u4e0d\u88dd ,\u4f46\u7d93\u6e2c\u8a66\u6642\u767c\u73fe\u6b64\u6642\u5c0dOP\u8f38\u5165\u7aef\u7684\u963b\u6297\u8f03\u5927(\u672c\u4f86\u662f\u597d\u7684),\u4f46\u5bb9\u6613\u628a\u8a0a\u6e90\u4e0a\u7684\u96dc\u8a0a\u901a\u5403\uff0c\u6240\u4ee5\u9084\u662f\u5efa\u8b70\u66f4\u63db\u70ba100K\u3002<\/td>6<\/td><\/tr>
Ra11,RB11,Ra17,Rb17,R30<\/td>3.6K<\/td> <\/td>5<\/td><\/tr>
Ra13,Rb13,Ra36,Rb36,Ra37,Rb37<\/td>100K<\/td> <\/td>6<\/td><\/tr>
Ra14,Rb14<\/td>2K<\/td> <\/td>2<\/td><\/tr>
Ra15,Rb15,Ra23,Rb23,Ra28,Rb28,Ra33,Rb33<\/td>10K<\/td> <\/td>8<\/td><\/tr>
Ra18,Rb18,<\/td>22K<\/td> <\/td>2<\/td><\/tr>
Ra19,Rb19<\/td>680R<\/td> <\/td>2<\/td><\/tr>
Ra20,Rb20<\/td>30K<\/td> <\/td>2<\/td><\/tr>
Ra21,Rb21<\/td>20K<\/td> <\/td>2<\/td><\/tr>
Ra24,Rb24<\/td>3\u6b50\u59c6\/0.5W<\/td> <\/td>2<\/td><\/tr>
Ra25,Rb25<\/td>470R<\/td> <\/td>2<\/td><\/tr>
Ra27,Rb27<\/td>7.5K<\/td> <\/td>2<\/td><\/tr>
R31<\/td>220R\/0.5W(\u4f7f\u752824-0-24\u8b8a\u58d3\u5668)\u4f46\u56e0\u6709\u6642\u9078\u7528\u4e0d\u540c\u7e7c\u96fb\u5668,\u5982\u5728\u7e7c\u96fb\u5668\u7dda\u5708\u4e0a\u7684\u58d3\u964d\u592a\u5927, \u53ef\u81ea\u884c\u589e\u52a0\u9019\u500b\u963b\u503c\u3002<\/td>\u4f7f\u752827-0-27\u8b8a\u58d3\u5668\u6642\u6539\u70ba330\u6b50\u59c6<\/td>1<\/td><\/tr>
Ra26,Rb26<\/td>0.5R\/2W<\/td> <\/td>2<\/td><\/tr>
R34,R35<\/td>47R<\/td> <\/td>2<\/td><\/tr>
 <\/td> <\/td> <\/td> <\/td><\/tr>
VR <\/td>100K\/A \u6216\/B \u96d9\u9023<\/td>FOR\u97f3\u91cf<\/td> 1<\/td><\/tr>
Q1,Q2,Q3,Q4<\/td>2N5551<\/td>NPN\u96fb\u6676\u9ad4<\/td>4<\/td><\/tr>
IC1<\/td>LM317<\/td>\u7a69\u58d3IC<\/td>1<\/td><\/tr>
IC2<\/td>LM337<\/td>\u7a69\u58d3IC<\/td>1<\/td><\/tr>
U1,U3<\/td>NE5532<\/td> <\/td>2<\/td><\/tr>
U2<\/td>NE5532\u6216AD827<\/td>\u6216OPA2134,2604<\/td>1<\/td><\/tr>
U4,U5<\/td>TDA7294<\/td> <\/td>2<\/td><\/tr>
BD1<\/td>6A\u6a4b\u5f0f<\/td>\u3000<\/td>1<\/td><\/tr>
Da1,Db1,Da3,Db3,Da4,Db4<\/td>1N4148<\/td>\u3000<\/td>6<\/td><\/tr>
D2,D5<\/td>1N4001 or 1N4007<\/td> <\/td>2<\/td><\/tr>
LED<\/td>BLUE 5MM<\/td> <\/td>1<\/td><\/tr>
 <\/td> <\/td> <\/td> <\/td><\/tr>
\u7e7c\u96fb\u5668<\/td>G2R-2A\/24V-OMRON<\/td>24V\u96d9\u52005\u4ee5\u4e0a<\/td>1<\/td><\/tr>
\u7d76\u7de3\u7247<\/td> <\/td> <\/td>2<\/td><\/tr>
\u7d76\u7de3\u87ba\u588a<\/td> <\/td> <\/td>2<\/td><\/tr>
\u87ba\u7d72<\/td> <\/td> <\/td>2<\/td><\/tr>
\u9285\u67f1<\/td> <\/td> <\/td>4<\/td><\/tr>
\u6563\u71b1\u7247<\/td> <\/td> <\/td>1<\/td><\/tr>
\u96fb\u8def\u677f<\/td> <\/td> <\/td>1<\/td><\/tr>
8 PIN IC\u5ea7<\/td> <\/td> <\/td>3<\/td><\/tr>
3 PIN\u63a5\u7dda\u7aef<\/td>\u4e2d\u578b<\/td>\u96fb\u6e90<\/td>1<\/td><\/tr>
4 PIN\u63a5\u7dda\u7aef<\/td>\u4e2d\u578b<\/td>\u5587\u53ed<\/td>1<\/td><\/tr>
MINI \u63d2\u5ea7(3PIN)<\/td>\u5c0f\u578b<\/td>\u4fe1\u865f\u8f38\u5165<\/td>1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u96f6\u4ef6\u7684\u9078\u64c7\u5982\u679c\u80fd\u4f9d\u96f6\u4ef6\u8868\u90a3\u662f\u6700\u597d\uff0c\u4f46\u5982\u679c\u6c92\u6cd5\u627e\u5230\u76f8\u540c\u6750\u8cea\u7684\u96f6\u4ef6\uff0c\u90a3\u4f7f\u7528\u4e00\u822c\u96f6\u4ef6\u4e5f\u53ef\u4ee5\uff0c\u4f46\u6578\u503c\u8981\u4e00\u6a23\u3002\u9664\u4e86R1,R2,R31\u5728\u4f7f\u752828V-0-28V\u7684\u8b8a\u58d3\u5668\u6642\u628a\u539f\u4f86\u7684510\u6b50\u59c6\u6539\u70ba560\u6b50\u59c6\u3002<\/p>\n\n\n\n

\u65b0\u589e\u8aaa\u660e:\u5be6\u969b\u4f7f\u7528\u4e0a\u611f\u89ba,\u4f7f\u752824-0-24\u7684\u8b8a\u58d3\u5668\u6548\u679c\u4e5f\u4e0d\u932f\uff0c\u6b64\u6642\u8acb\u5c07\u4e0a\u8ff0\u96fb\u963b\u6539\u70ba470\u6b50\u59c6\u3002<\/p>\n\n\n\n

\u53e6\u5916TDA7294\u4e26\u6c92\u6709\u5982LM3886\u90a3\u6a23\u7684\u5168\u5851\u6599\u5305\u88dd\uff0c\u6240\u4ee5\u6563\u71b1\u7247\u7684\u5b89\u88dd\u9700\u8981\u4f7f\u7528\u7d55\u7de3\u588a\u7247\u6216\u96f2\u6bcd\u7247 \uff0c\u4e14\u5f37\u70c8\u5efa\u8b70\u4f7f\u7528\u6563\u71b1\u818f\u4f7fTDA7294\u8ddf\u6563\u71b1\u7247\u7684\u5c0e\u71b1\u6027\u9039\u5230\u6700\u9ad8\uff0c\u56fa\u5b9a\u87ba\u7d72\u4e5f\u8981\u4f7f\u7528\u5c08\u7528\u7684\u7d55\u7de3\u588a\u7247\uff0c\u5b89\u88dd\u597d\u5f8c\u6700\u597d\u7528\u4e09\u7528\u8868\u7684\u6b50\u59c6\u7576\u91cf\u4e00\u4e0b\uff0cTDA7294\u7684\u6563\u71b1\u7247\u8ddf\u5b89\u88dd\u7684\u6563\u71b1\u7247\u9593\u662f\u4e0d\u5c0e\u901a\u7684\u3002<\/p>\n\n\n\n

\u96fb\u6e90\u8b8a\u58d3\u5668\uff1a<\/strong><\/p>\n\n\n\n

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\u7576\u7136\u8b8a\u58d3\u5668\u5982\u679c\u80fd\u662f\u74b0\u578b\u7684\u7576\u7136\u662f\u5f88\u597d\u7684\u9078\u64c7\uff0c\u4f46\u6210\u672c\u904e\u9ad8\uff0c\u5c0d\u4e00\u822c\u5165\u9580\u8005\u53ef\u80fd\u89ba\u5f97\u82b1\u8cbb\u592a\u5927\uff0c\u5982\u679c\u9078\u7528\u4e00\u822c\u6750\u6599\u884c\u5e38\u898b\u7684\u8b8a\u58d3\u5668\u4e5f\u53ef\u4ee5\uff0c\u4ee5\u4e0b\u5217\u51fa\u5e7e\u500b\u53ef\u4ee5\u4f7f\u7528\u7684\u578b\u865f:<\/p>\n\n\n\n

PT-40\u8f38\u51fa 0-18V(0.6A), 0-12V(1.2A),0-12V(1.2A), 24V*2(\u5168\u6ce21A),18V-24V*2(\u5168\u6ce25A)\u3002<\/p>\n\n\n\n

PT-42\u8f38\u51fa 0-18V(1A), 0-12V(1.5A),0-12V(1.5A), 24V*2(\u5168\u6ce21A),28V-30V*2(\u5168\u6ce26A)\u3002<\/p>\n\n\n\n

PT-43\u8f38\u51fa 0-18V(1A), 0-12V(1.5A),0-12V(1.5A), 24V*2(\u5168\u6ce21A),24V-32V*2(\u5168\u6ce26A)\u3002<\/p>\n\n\n\n

\u5b8c\u6210\u5f8c\u7684\u52d5\u4f5c\uff0c\u6b63\u5e38\u7684\u60c5\u6cc1\u4e0b\uff0c\u9001\u96fb\u5f8c\u7e7c\u96fb\u5668\u65c1\u7684LED\u6703\u6f38\u6f38\u4eae\u8d77\uff0c\u5e7e\u79d2\u9418\u5f8c\u7e7c\u96fb\u5668\u6703\u5438\u8d77\uff0c\u8868\u793aTDA7294\u8f38\u51fa\u6c92\u6709\u76f4\u6d41\u6210\u4efd\uff0c\u53ef\u4ee5\u653e\u5fc3\u63a5\u4e0a\u5587\u53ed\u7bb1\uff0c\u5982\u679c\u4e0d\u653e\u5fc3\uff0c\u53ef\u4ee5\u4e09\u7528\u8868\u8f49\u5230DC\u7684\u5c0f\u96fb\u58d3\u6a94\uff0c\u53bb\u91cf\u96fb\u8def\u677f\u4e0a\u5587\u53ed\u8f38\u51fa\u7684\u7aef\u5b50\uff0c\u61c9\u8a72\u662f\u63a5\u8fd10V\u3002<\/p>\n\n\n\n

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\u4ee5LM3886\u7684\u7d93\u9a57\u4f86\u8aaa\uff0c\u5c11\u90e8\u4efd\u5931\u6557\u7684DIYer\uff0c\u5927\u90e8\u4efd\u554f\u984c\u90fd\u51fa\u73fe\u5728\u710a\u63a5\uff0c\u65b0\u624b\u56e0\u6015\u710a\u63a5\u6642\u9593\u592a\u9577\u628a\u96f6\u4ef6\u71d2\u6389\uff0c\u710a\u63a5\u6642\u9593\u592a\u77ed\u4ee5\u81f4\u51fa\u73fe\u5047\u710a\uff0c\u5176\u5be6\u96f6\u4ef6\u6c92\u90a3\u9ebc\u4e0d\u8010\u71b1\uff0c\u65b0\u624b\u53ef\u4ee5\u96fb\u963b\u5be6\u969b\u64cd\u4f5c\u770b\u770b\uff0c\u96f6\u4ef6\u710a\u63a5\u5728\u96fb\u8def\u677f\u6642\uff0c\u7194\u935a\u7684\u5f62\u72c0\u6700\u597d\u5448\u5c71\u578b\uff0c\u5448\u7403\u578b\u7684\u5f80\u5f80\u7522\u751f\u5047\u710a\u3002<\/p>\n\n\n\n

\u4ee5\u4e0b\u5206\u4eab\u5e7e\u5f35\u6211\u8a66\u505a\u7684\u7167\u7247:<\/strong><\/p>\n\n\n\n

\n
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\"\"<\/figure>\n<\/div>\n\n\n\n
\n
\"\"<\/figure>\n<\/div>\n<\/div>\n\n\n\n
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\n
\"\"<\/figure>\n<\/div>\n\n\n\n
\n
\"\"<\/figure>\n<\/div>\n<\/div>\n\n\n\n

\u5b8c\u6210\u5f8cTDA7294-GC DC-SERVO AMP\u5be6\u969b\u611f\u53d7\uff0c\u8aaa\u5be6\u5728\u7684\uff0c\u7b2c\u4e00\u6b21\u63a5\u4e0a\u4e00\u807d\uff0c\u7b2c\u4e00\u500b\u611f\u89ba\u5c31\u662f\uff0c\u63a8\u529b\u5f88\u597d\uff0cPOWER\u5f88\u5920\uff0c\u7528\u4f86\u63a8\u4f4e\u6548\u7387\u7684\u5587\u53ed\u61c9\u8f03\u4e0d\u7528\u64d4\u5fc3\u4e86\u3002<\/p>\n\n\n\n

\u807d\u611f\u5462\uff1f \u6709\u4e9b\u8001\u624b\u5c0dTDA7294\u7684\u8a55\u8ad6\u662f\u9ad8\u97f3\u6c92\u6709LM3886\u7d30\u7dfb\uff0c\u8001\u5be6\u8aaa\uff0c\u6211\u89ba\u5f97\u53ea\u5dee\u4e00\u9ede\u9ede\uff0c\u800c\u4e14\u66f4\u63dbOP\u5f8c\u4e5f\u6703\u6539\u8b8a\u807d\u611f\uff0c\u5728\u524d\u9762\u52a0\u88dd\u6211\u5011TUBE BUFFER (X10D-GC)\u771f\u7a7a\u7ba1\u7de9\u885d\u524d\u7d1a<\/a>\u6548\u679c\u4e5f\u662f\u5f88\u660e\u986f\uff0c\u7b97\u662f\u500b\u6210\u529f\u7684\u529f\u7387\u653e\u5927\u5668\uff0c\u5e0c\u671b\u5927\u5bb6DIY\u6210\u529f\u3002<\/p>\n\n\n\n

\u5982\u679c\u4f60\u4e0b\u8f09\u7684\u662fPDF\u6a94\uff0c\u4e0b\u4e00\u9801\u4f60\u53ef\u4ee5\u770b\u5230\u5b8c\u6574\u96fb\u8def\u5716\u53ca\u96fb\u8def\u677f\u5e95\u7247\u5716\uff0c\u5217\u5370\u6642\u8acb\u6ce8\u610f\u8a2d\u5b9a\u8f38\u51fa\u6bd4\u4f8b\u70ba100%\uff0c\u4e0d\u8981\u6709\u4efb\u4f55\u7e2e\u653e\uff0c\u66dd\u5149\u6642\u6ce8\u610f\u6b63\u53cd\u9762\uff0c\u4e5f\u5c31\u662f\u5370\u51fa\u7684\u900f\u660e\u7247\u653e\u5728\u611f\u5149\u7dda\u8def\u677f\u6642\uff0c\u677f\u9762\u4e0a\u7684\u6587\u5b57\u770b\u8d77\u4f86\u662f\u6b63\u5e38\u7684\u6587\u5b57\uff0c\u4e0d\u662f\u53cd\u5b57\u3002<\/p>\n\n\n\n

\u3000PDF\u6a94\u6848\u4e0b\u8f09\uff1aKITs\\TDA7294SRV\\TDA7294-GC-DOC.pdf<\/a><\/p>\n\n\n\n

\u5b89\u88dd\u6ce8\u610f\u4e8b\u9805:     \u8acb\u4e00\u5b9a\u8981\u770b<\/strong><\/em><\/p>\n\n\n\n

1. PDF\u6a94\u5167\u96f6\u4ef6\u8868\u7f3aCa21,Cb21(1uF\/50V)\u672a\u88dc\u4e0a\u3002<\/p>\n\n\n\n

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3. \u8b8a\u58d3\u5668AC\u81f3\u96fb\u8def\u677f\u7684\u63a5\u6cd5\u8981\u6ce8\u610f\uff0c\u7531\u5de6\u81f3\u53f3\u70baAC-AC-0,\u5217\u5982 24-24-0\u3002<\/p>\n\n\n\n

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\"\"<\/figure>\n\n\n\n

5. \u6709\u4e9b\u7db2\u53cb\u60f3\u6539\u7528TDA7293\uff0c\u63a5\u6cd5\u5982\u4e0b\uff0c\u628aCA24\u53d6\u4e0b,\u6539\u63a5\uff0c\u4e0b\u5716\u7684\u96fb\u8def\u677f\u662f\u53cd\u904e\u4f86\u7684\u5e95\u9762\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

6. R31\u672c\u4f86\u6a19\u7684\u503c\u662f470R\u53ca510R\uff0c\u4f46\u5be6\u4f5c\u6642\u767c\u73fe\u96fb\u6d41\u6709\u9ede\u4e0d\u5920\uff0c\u6240\u4ee5\u5728\u96f6\u4ef6\u6e05\u55ae\u5df1\u6709\u4fee\u6b63\u70ba220R\/0.5W(\u4f7f\u752824-0-24\u8b8a\u58d3\u5668)\uff0c\u4f46\u56e0\u6709\u6642\u9078\u7528\u4e0d\u540c\u7e7c\u96fb\u5668,\u9700\u6c42\u96fb\u6d41\u4e0d\u540c\uff0c\u5982\u5728\u7e7c\u96fb\u5668\u7dda\u5708\u4e0a\u7684\u58d3\u964d\u592a\u5927, \u53ef\u81ea\u884c\u589e\u52a0\u9019\u500b\u963b\u503c\u3002<\/p>\n\n\n\n

7. RA12\u53caRB12,(\u6ce8\u610f)\u9019\u9846\u963b\u8ddf\u8f38\u5165\u963b\u6297\u6709\u95dc,\u76ee\u524d\u7528499R\u7b97\u662f\u5f88\u5c0f,\u6709\u4e9b\u97f3\u6e90\u63a8\u8d77\u4f86\u6703\u6709\u9ede\u5403\u91cd\u6210\u97f3\u8cea\u7684\u640d\u5931,\u90e8\u4efd\u7db2\u53cb\u76f4\u63a5\u62ff\u6389\u96fb\u4e0d\u88dd ,\u4f46\u7d93\u6e2c\u8a66\u6642\u767c\u73fe\u6b64\u6642\u5c0dOP\u8f38\u5165\u7aef\u7684\u963b\u6297\u8f03\u5927(\u672c\u4f86\u662f\u597d\u7684),\u4f46\u5bb9\u6613\u628a\u8a0a\u6e90\u4e0a\u7684\u96dc\u8a0a\u901a\u5403\uff0c\u6240\u4ee5\u9084\u662f\u5efa\u8b70\u66f4\u63db\u70ba 100K\u3002\u50cf\u662f\u914d\u5408\u7ad9\u4e0a\u7684\u771f\u7a7a\u7ba1TUBE BUFFER\u6642,\u66f4\u5efa\u8b70\u5982\u4e0a\u8ff0\u8aaa\u660e\u4f86\u505a\u3002<\/p>\n\n\n\n

\u30008. \u6b64\u7db2\u9801\u90e8\u4efd\u6587\u4ef6\u5df2\u6709\u4fee\u6b63\uff0c\u4ee5\u7db2\u9801\u70ba\u6e96\uff0cPDF\u6a94\u5167\u7684\u6587\u4ef6\u5c1a\u672a\u4fee\u6b63\u3002<\/p>\n\n\n\n

\u3000<\/p>\n\n\n\n

\u6240\u4ee5\u5982\u679c\u5c0d\u96fb\u8def\u677f\u53ca\u96f6\u4ef6\u6709\u8208\u8da3\u7684\u4eba\uff0c\u8acb\u76f4\u63a5\u5728\u9019\u88e1\u767cEAMIL\u7d66\u6211:\u3000EMAIL:georgeliao886@gmail.com<\/a><\/p>\n\n\n\n

TDA7294-DC-SERVO AMP \u65b0\u88fd\u96d9\u9762\u96fb\u8def\u677f280\u5143\/\u7247<\/p>\n\n\n\n

TDA7294————————–120\u5143\/\u500b<\/p>\n\n\n\n

TDA7294\u7528\u7684\u7d55\u7de3\u588a\u7247\u7d44————-15\u5143(\u53ef\u93962\u9846TDA7294)<\/p>\n\n\n\n

\u7e7c\u96fb\u5668 OMRON———————-70\u5143\/\u500b<\/p>\n\n\n\n

\u6563\u71b1\u7247—————————185\u5143<\/p>\n\n\n\n

NE5532(\u4e00PCB\u677f\u97003\u9846)————–20\u5143\/\u9846<\/p>\n\n\n\n

10000uF\/50V(\u65e5\u7cfb)(\u4e00\u7d44\u97002\u9846)—–120\u5143\/\u9846<\/p>\n\n\n\n

PT-40—————————-950\u5143\/\u9846(\u5efa\u8b70) (\u8b8a\u58d3\u5668\u6f32\u50f9,\u50f9\u683c\u6703\u6709\u8b8a\u52d5)<\/p>\n\n\n\n

10A\u6a4b\u5f0f\u6574\u6d41\u5668———————25\u5143\/\u9846<\/p>\n\n\n\n

2N5551\u96fb\u6676\u9ad4(\u6bcf\u5957\u97004\u9846)————3\u5143\/\u9846<\/p>\n\n\n\n

LM317—————————–15\u5143\/\u9846<\/p>\n\n\n\n

LM337—————————–22\u5143\/\u9846<\/p>\n\n\n\n

100Uf\/25V(C17\u53cac18\u7684\u9ad8\u901f\u96fb\u5bb9)——4\u5143\/\u9846<\/p>\n\n\n\n

\u5982\u9700\u8981280W\u74b0\u578b\u8b8a\u58d3\u5668\uff0c\u4e00\u9846$1,500,\u898f\u683c\u8acb\u53c3\u8003:280W\u74b0\u578b\u8b8a\u58d3\u5668<\/a><\/p>\n\n\n\n

\u3000<\/p>\n\n\n\n

@@\u00a0\u6700\u8fd1\u4e5f\u958b\u59cb\u8a66\u4f9b\u61c9\u5b8c\u6574\u96f6\u4ef6\u5305\uff0c\u5167\u542b\u96d9\u9762\u96fb\u8def\u677f\u3001\u6563\u71b1\u7247\u3001\u53ca\u6240\u6709\u96f6\u4ef6(10000uF\u6539\u7528\u65e5\u7cfb)\u4e0d\u542b\u8b8a\u58d3\u5668\uff0c\u76ee\u524d\u50f9\u683c\u70baNT$1,535\u5143,\u82e5\u542bPT-40\u8b8a\u58d3\u5668\uff0c\u76ee\u524d\u50f9\u683c\u70baNT$2,485\u5143(\u50f9\u683c\u6703\u56e0\u96f6\u4ef6\u50f9\u683c\u6709\u4e9b\u5fae\u8abf\u6574\u4e0d)\u00a0@@ (\u8b8a\u58d3\u5668\u6f32\u50f9,\u50f9\u683c\u6703\u6709\u8b8a\u52d5)<\/p>\n\n\n\n

@@ \u5efa\u8b70\u4f7f\u7528PT-40\u8b8a\u58d3\u5668 @@<\/p>\n\n\n\n

\u65b0\u7684\u96fb\u8def\u677f\u70ba\u96d9\u9762\u677f,\u63a1\u7528\u9ed1\u5e95,\u767d\u5b57\u5370\u5237\uff0c\u611f\u89ba\u5f88\u597d\uff0c\u9664\u4e86\u4e0d\u7528\u518d\u710a\u8df3\u7dda\u5916\uff0c\u96f6\u4ef6\u710a\u63a5\u5f8c\u7684\u9285\u7b94\u4e5f\u5f88\u7a69\u56fa\uff0c\u4e0d\u6703\u4e00\u63a8\u96f6\u4ef6\u5c31\u65b7\u9285\u3002\u5982\u4e0b\u5716\u7247\u8acb\u53c3\u8003:<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u4ee5\u4e0b\u662f\u5e7e\u5f35\u670b\u53cb\u8a66\u4f5c\u6642\u7684\u7167\u7247\uff0c\u8acb\u5927\u5bb6\u53c3\u8003\uff0c\u677f\u4e0a\u7684\u96f6\u4ef6\u662f\u4ed6\u81ea\u5df1\u627e\u7684\uff0c\u4e26\u975e\u7ad9\u4e0a\u4f9b\u61c9\u96f6\u4ef6\u5305\u4e2d\u7684\u6240\u6709\u96f6\u4ef6\uff0c\u50c5\u4f5c\u53c3\u8003!<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
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