Monday, February 11, 2013

Speaky, 17 band module coil values

I hadn't and couldn't found any documentation on the "Speaky" 17m band module (that came with my kit ), but cross checked against the bag of components and they had the same values as the 20 m band, only coils are different.

And here's the data for the coils after some math and intuition...:


L1: 14 Turn on T37-6 with tap at 4th turn from cold end.

L2: 17 turn on T37-6 with 2 turn link close to cold end

L3: 17 turn on T37-6 with 2 turn link close to cold end

This values work great as I already have some QSO's in the log.


Here's the generic schematic for each of the band modules (components values differ)


Have fun!

No comments: