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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