KIO3

[w9qs]

Does anyone have a KIO3 left over from a KUSB upgrade to their K3? Mine is bad and I to find a replacement.

Please contact me off list.


Mike, W9QS

w9qs at comcast dot net

Thanks for the bandwidth
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[w9gb]

The main IC for the KIO3 board is the RS-232 Level Converter, U1.
Part most likely to fail due to ESD / Static / External events.

Texas Instruments SN75C1405 (U1), 16-pin Surface Mount.
... a version of the MAX232 with ESD may cross reference.

Board photos
http://www.elecraft.com/K3/mods/AF_Output_Mod_Rev_C.pdf

Sent from iPad Air
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