Bandpassfilter for 80 meter band (3.5 MHz) with Amidon T50-2 cores.
Updated: Nov 30, 2020
5,5 µH coil versus 55 µH coil.
Picture:
Schematic:
34 turns = 5.5 µH capacitor is approx. 320 pF.
104 turns = 55 µH capacitor is approx. 30 pF.
Results:
34 turns: 104 turns:
IL 34 turns:
IL 104 turns:
RL 34 turns:
RL 104 turns:
