High-Performance High-Linearity Pre-Amp (LNA) for HF Receivers Built & Tested, with 30 MHZ Low-Pass Filters, Bias-T, in/out Relay and filtered DC from a USB power source 

• 2 x Mini-Circuits GALI-74+ Connected in PARALLEL

• Gas Discharge Tube Overvoltage input protection

• Double 30 MHZ Low-Pass Filter at the input and the output

• IN/OUT Relay (just apply DC power to engage the preamp)

• Many DC power options: DC through coax (Bias-Tee) at the output connector, USB-mini socket or direct 5 VDC input

• 25 KHZ - 30 MHZ Gain Range

• 5V DC - 80 mA DC Power Input

• 50 Ohm input and output impedance

• 16 dB linear gain - Gain increases with increasing DC voltage up to 5.7 V max (110 mA)

• Low Noise Figure (< 5 dB total NF including LPF loss)

• IP3 > +40 dBm

• P1dB > +20 dBm