Bob, Jim, et al,
Further to the 8/6m prototypes I previously posted, I’ll now post the details of an 8m only prototype.
Schematic
Analysis
Implementation
BPF is 11t on an T50-6, squashed up so probably 12 loosely wound may do the trick and a 30pF cap
RF Filter sweep
TinySA measurement
Sent from my iPhone 6