| 自制驻积体式话筒电路图 | |
| 所属分类：电路图 | |
| 上传者：zhenming | |
| 文档大小：12 K | |
| 所需积分：0分积分不够怎么办？ | |
| 文档介绍：Electret condenser microphones have truly come of age in recent years. No longer are they as temperature sensitive as in the past and they have found their way into many modern amateur transceivers. An inexpensive condenser microphone with excellent performance can be easily constructed with easily available parts. | |
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