{"ops":[{"insert":"部分图片来源于网络，侵则删！！！ "},{"attributes":{"header":1},"insert":"\n"},{"attributes":{"class":"normal-img"},"insert":{"native-image":{"alt":"read-normal-img","url":"https://b2.sanwen.net/b_article/d4eb6d339b96509356e00f8facc5239356c830d7.jpg","width":1728,"height":2304,"size":2688711,"status":"loaded"}}},{"insert":"上一栏我介绍了几个基本的电路（见上图）\n"},{"attributes":{"class":"normal-img"},"insert":{"native-image":{"alt":"read-normal-img","url":"https://b2.sanwen.net/b_article/9aa05232445cd574c6e74ee86fe51d30b8c16f96.jpg","width":1107,"height":375,"size":75295,"status":"loaded"}}},{"insert":"本栏来谈谈材料。首先最基本的是检波器，这就是矿石收音机中“矿石”二字的来源。以前的检波器叫矿石检波器，有活动矿石和固定矿石两种活动矿石和固定矿石结构类似，核心就是矿石。常见有黄铁矿、方铅矿、红锌矿、自然铜等的金属矿石，结构如图。\n"},{"attributes":{"class":"normal-img"},"insert":{"native-image":{"alt":"read-normal-img","url":"https://b2.sanwen.net/b_article/a53395f413a975f9e08554103466189ec4a8f905.jpg","width":750,"height":750,"size":215515,"status":"loaded"}}},{"insert":"也可以用IN60 2AP9 ISS86 ISS106 等等的二极管，最好用锗管，或3DQ,3DB场管。然后说说喇叭。喇叭一定要用高阻的，阻抗越大越好，如舌簧喇叭动铁喇叭等等，而且最好用耳朵听。之后谈谈天地线。地线就是连接大地，但最好不要用插座的地线，这样噪音大，建议直接埋土里，或接防盗窗上，消火栓上，天线可以用下图的方法，绝缘一定要好！\n"},{"attributes":{"class":"normal-img"},"insert":{"native-image":{"alt":"read-normal-img","url":"https://b2.sanwen.net/b_article/8e90d486737988411cc786beeab593fa3e47e87b.jpg","width":1536,"height":1152,"size":1300899,"status":"loaded"}}},{"insert":"其次电容可用空气联可变电容，但频率高建议用薄膜电容。\n\n"},{"attributes":{"class":"normal-img"},"insert":{"native-image":{"alt":"read-normal-img","url":"https://b2.sanwen.net/b_article/watermark/b5edd3a3f213800262bd0d2fc15880338b06f36f.jpg","width":1728,"height":2304,"size":3139143,"status":"loaded"}}},{"insert":"\n"},{"attributes":{"class":"normal-img"},"insert":{"native-image":{"alt":"read-normal-img","url":"https://b2.sanwen.net/b_article/watermark/64a51994eb948984ee20594c1095e04ec900d878.jpg","width":1536,"height":1152,"size":1182411,"status":"loaded"}}},{"insert":"频率高容量小。然后是线圈，不同波段有部同的线圈。有的有磁棒，有的无磁棒。这个也是看波段。如FM收音机\n"},{"attributes":{"class":"normal-img"},"insert":{"native-image":{"alt":"read-normal-img","url":"https://b2.sanwen.net/b_article/watermark/52b77166ec889021948f3eccb9144956e49eeb4e.jpg","width":1728,"height":2304,"size":2820968,"status":"loaded"}}},{"insert":"也有这样的\n"},{"attributes":{"class":"normal-img"},"insert":{"native-image":{"alt":"read-normal-img","url":"https://b2.sanwen.net/b_article/watermark/88fa4bbc62178107f393575b32157dcc023e6924.jpg","width":1728,"height":2304,"size":2701963,"status":"loaded"}}},{"insert":"如喜欢可以私信我。（第二栏） （部分内容为本人自己的观点，若有误，请联系本人，感谢您的阅读。）\n"}]}
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