無線ブログ集
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UB3DHA / RU245 / 50RS245 （ロシアのCBer）
(2019/12/16 10:36:27)
HF QRM Filter
(2010/2/21 20:21:36)
C1,C2,C3 = 4700pF, 1000V
L1 = dual wire, as much as you can. HF ferrite ring.
Also:
1) 12V power line, ferrite bead
2) HF Antenna cable, ferrite ring
3) Audio cable, ferrite
More ferrites = Better life (笑)
execution time : 0.013 sec