Yaesu FT7 DIY 9MHz CW filter
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=J1knN8jktAo
Just five crystal (9MHz) and four capacitor (100pF) consisting Cohn crystal filter for CW. Indeed, it works well for CW operation! • (schematic can be found at https://microwavemont.exblog.jp
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