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5.
Since many of the toroids vary in turns count by one or two turns, insert the toroid into the PCB as soon
as you finish tinning the leads. This will prevent mixing up the toroids which will prevent the low-pass
filter from operating correctly.
□
Step 2: L10A
– 7 turns (8 in/20.3cm) of #20 enameled wire on a T80-6 (yellow) toroid core. Wind the
inductor, scrape and tin the leads then insert to inductor into the PCB at the marked location, solder and trim
excess leads.
□
Step 3: L10B
– 5 turns (7 in/17.8cm) of #20 enameled wire on a T80-6 (yellow) toroid core. Wind the
inductor, scrape and tin the leads then insert to inductor into the PCB at the marked location, solder and trim
excess leads.
