2KW 1.8 54Mhz Directional Coupler SWR Bridge
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2KW 1.8 – 54Mhz Directional Coupler SWR Bridge. The transformer ratio is 28:1 wound on 43 material cores. This is followed by a 14db pi attenuator. Directivity is better than 40db on the lower frequencies and dropping to about 25 … read more