Editing RF-Amp

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* Put [[RF_Attenuators#40_dB_Attenuator|40 dB attenuator]] on RF-Amp input, measure S21 at output
 
* Put [[RF_Attenuators#40_dB_Attenuator|40 dB attenuator]] on RF-Amp input, measure S21 at output
** [[NanoVNA]] provides 50 Ω load to RF-Amp to properly terminate output
+
** [[NanoVNA]] provides 50 ohm load to RF-Amp to properly terminate output
 
* Measure S21 with 9:11 input transformer
 
* Measure S21 with 9:11 input transformer
 
** S21 @ 100 KHz = -8 dB dB
 
** S21 @ 100 KHz = -8 dB dB

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