| 自制駐積體式話筒電路圖 | |
| 所屬分類：電路圖 | |
| 上傳者：zhenming | |
| 文檔大小：12 K | |
| 所需積分：0分積分不夠怎么辦？ | |
| 文檔介紹：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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