Description
This is DJ0ABR designed 2000W LPF with minor modification. Assembled according author’s BOM for RF path, only original parts. Real measured frequency responce, Return Loss and attenuation see on pictures above. T200 AMIDON toroids and air coils, it is REAL 2000W Low Pass Filter. Tested with 2xMRF1K50. Can work 24x7x365 with full power
Board size — 220x190mm
Board weight — 1.5 kg
Relay voltage — 12v
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