Herbert and all,
There is no need for the KFL1 firmware to be open source, it is
available from Elecraft as a spare part. Elecraft will continue to
support existing KFL1-4 boards with parts (except for replacement
trimmer capacitors) for a good long time into the future.
In other words, even though the board has been discontinued, that does
not mean support for that board has been retracted.
If I need to repair a KFL1-4 board that has a failed trimmer capacitor,
I will then replace it with another temperature stable capacitor with
lesser range an use whatever NP0 or C0G capacitors to restore it to
working condition.
I have replaced a few of those blue bodied capacitors in the past, but
the number has been very few considering the number of repairs I have
done over the years.
73,
Don W3FPR
On 3/7/2015 5:49 PM, Humberto wrote:
Hi,
I think this is quite a good idea ! The talking arround it with the no
longer available trimmers could be stopped by redesigning the filter
with more fixed NP0 caps and less variable trimmers. A trimmer with
1 to 40pF is an evil an unneeded coponent.
Give the firmware to "open source" and others may break their heads !
73, Herbert
CT2IJD / DD0PC
Am 07.03.2015 20:50, schrieb Wolfgang Klein:
Hi,
when the 4-band module should not be developed further, it would be a
good idea to publish the firmware so that it might create a "open
source" project???
73, Wolfgang
DL2KI
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