I am constructing the KPA 100 and have just fitted L16 and RFC1 (both blue
cores wound with 37 turns of 26 gauge wire). I am having difficulty getting
the two toroids to sit securely on the PCB because the leads do not align with
the holes in the PCB so preventing the toroids from being pulled
Ray -
Is it possible that the toroids are wound the wrong direction? Check
the assembly illustrations carefully. It makes a difference whether the
winding starts in a clockwise or counter-clockwise manner as to
whether or not the leads line up with the solder holes in the PC board.
Use of
Ray,
I have only once found a toroid with a broken wire, and I suspect the
builder nicked the wire when he was stripping the leads.
Yes, those 2 inductors have the holes in line with the silkscreen shape
of the inductor. There is no good reason why the cores have to align
with the
Hi, Ray ... the top picture in my construction blog posting on building the
KPA 100
(you can find it at
http://build-k2.blogspot.com/2011/01/kpa100-completed.html)
may be of some help. You can see that neither L16 nor RFC1 line up with
the
silk screen particularly well, but the leads lined up
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