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求教用KG105搭建过中继的朋友帮帮我 [复制链接]

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离线apufo
 
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只看楼主 倒序阅读 0楼 发表于: 2008-11-27
本人属于菜鸟级的,知识少但是就是喜欢琢磨,现在想用kg105搭建一套中继,可是遇到了问题,还想请大家帮帮我。

这块控制板是我参照bd4itm的帖子:http://www.hellocq.net/forum/showthread-t-100267.二台对讲机改中继控制图.html
现在用这块板子我已经可以把接收的信号传给发射机,让发射机工作,但是就是无法把语音加载上,去掉22uf的电容也是一样的问题?


下面的是我接收机的图,请大家帮我看看这几个点的位置是否正确?配合我的控制板帮我分析为什么没有语音信号。


下面的是我发射机的图,请大家帮我看看这几个点的位置是否正确?配合我的控制板帮我分析为什么没有语音信号。



现在的问题就是我上面说的,我已经可以实现信号转发,但是就是无法加载语音信号?然后还想问一句加载延时需要在哪里上电容?需要多大的电容?

最后谢谢为我解答的朋友们!
离线BG7YN
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只看该作者 1楼 发表于: 2008-11-28
在本坛子,找bd8uk发的,进行连接,肯定可行!!!!呵呵,
离线bd5ik
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只看该作者 2楼 发表于: 2008-11-28
没搭过kg105但搭过其它机器.给个电路给你参考一下.中继只要找到一个控制点(即接收机收到信号时有电平高低变化的点).取来控制中继发射.发射的同进把接收机收到的话音信号去加重后得到分辨率高的语音信号送入发射机调制部分就可以了.要求高点可以加上发射限时功能防止中断受到干扰时长时间发射,以保护发射机.
离线baoerji9527
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只看该作者 3楼 发表于: 2008-12-07
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离线BG4IYR
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只看该作者 4楼 发表于: 2008-12-08
离线zzj0108
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只看该作者 5楼 发表于: 2008-12-15