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ATT, Hybrid Combiner

IM MEASURING KIT

In every case it is a good idea to use resistance attenuator for better impedance matching between the LPF and the combiner, which positively affects the resulting OIP3. Resistance values are 1x 11R5 and 2x 432 Ohm with attenuation of 2 dB. In the hybrid combiner toroid ferrite core FT-82-43 with 2x10 turns of 0.5mm Cu bifilar is used. 

 
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