K9AY feeder with BPF

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!Common mode filter for coax and controller cable '''OPTION''' ['''More at web'''|https://remoteqth.com/commonmode-ctrl.php] Common-mode choke coils work as a simple wire against differential mode current (signal), while they work as an inductor against common-mode current (noise). This box is designed as a common-mode filter for RF cable and also for analog AC/DC controller wires. This version is directly designed for K9AY++ antenna system. [https://remoteqth.com/img/ZAW-WIKI/k9ay++new/k9ay_ctrl_cmcc_ctrl_850.jpg|noborder] [https://remoteqth.com/img/ZAW-WIKI/k9ay++new/cmcc_ctrl_k9ay_spectrum_850.jpg|noborder] [https://remoteqth.com/img/ZAW-WIKI/k9ay-bpf/slide-CM_1_2_850.png|noborder] [https://remoteqth.com/img/ZAW-WIKI/k9ay-bpf/slide-CM_4_2_850.png|noborder]
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