radio tuning circuit
回答 (1)
2013-03-28 8:26 am
✔ 最佳答案
Earthing the antenna (or aerial) serves to (i) prevent electrical surges, and (ii) avoid lightning strikes to the antenna and the radio.You may refer to the following web-page for details
http://www.ve3sqb.com/hamaerials/kf6gdj/
收錄日期: 2021-04-29 17:54:52
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130327000051KK00322