Reverse Isolation: Better than 30 dB

10 KHZ - 80 MHZ (without Low-pass Filter)

3rd Order OIP - Two 0 dBm tones at the input, 26 dB attenuator at the output: (46.7-14.6)/2+((-14)+26)=+28 dBm....to be greatly improved...should be > +40 dBm

Frequency response - Low end

DXer's High-Linearity Pre-Amp (LNA) for HF Receivers



  • 4 x GALI-74+


  • Balanced input Option


  • Multicoupler Output Option for 4 HF Receivers


  • Low-Pass Filter at the un-balanced input



Frequency response - High end






























2nd Order OIP - Two 0 dBm tones at the input, 26 dB attenuator at the output: 64-22+22+26 =  +90 dBm....to be improved...