General Purpose LNA

2025

Desire to do the best that you can.

Theory

Cascaded noise. Talk about sky temperature. Talk about my intuition of lossy things adding their noise temperature. lossy hot sky. Talk about hot earth. Talk about filter placement.

Design

Part selection

Results

Need to assemble second unit first and test with two radio test boxes at 1250 MHz.

Uncle Herschel's SDARS