無線家＆ＢＣＬの大敵　ノイズを消す、魔法のフィルタ紹介　そのノイズ　やっかいなコモン・モードのノイズかも？　ノイズ対策の切り分け作業にも重宝。ガルバニック・アイソレータ作り方も紹介

Noise, the enemy of radio users, is a route of entry. Recently, noise intrusion via coaxial cables has been increasing. Introducing a galvanic isolator to effectively repel common mode noise. It's easy to make your own. First, try it out and see for yourself how effective it is. It's also useful for isolating faults. 00:00 Introduction 00:50 Noise disappears: A mysterious phenomenon 09:36 Noise: Difficult to deal with 10:45 What is common mode noise? 11:11 Common Mode Noise Countermeasures 12:41 Easy Isolator Construction 15:22 How to Use 17:34 Summary No. 197 Galvanic Isolator https://www.icom.co.jp/personal/beaco... Daishin Wireless http://www.ddd-daishin.co.jp/mokuji.htm http://www.ddd-daishin.co.jp/dcf/dcf.htm #AmateurRadio#BCL#Noise