[Elecraft] KAT2: voltage reading

Dr. Werner Furlan furlan at gmx.net
Thu Nov 25 18:03:34 EST 2010


I am in the course of finishing the KAT2 assembly. 

I did the C55 adjustment like discribed on page 16:
Press T U N E button and release it when you see the display change. 
Adjust C55 for an indication as close as
possible to 0 0 0 . Tap or hold T U N E again to cancel the C A L n 
display and return to receive mode

I get as close as 007 - is this normal or indicating a problem?

next question: 

On page 17 of the assembly manual at this point: 
------
Go into TUNE mode briefly. At 5 watts, the voltage should be between 3 and 
4 volts. If it is much
lower or higher than this, you probably have a wiring error in the SWR 
bridge. Remove the KAT2 control
board from the L-C board and check the wiring of T1. Make sure T1's leads 
are properly stripped.
------

I have a reading of only 2.4 V. I checked the T1 wiring but do not see a 
mistake. Should I go on and add R6 or should I remove T1 and check it 
outside the board?



73! de Werner OE9FWV

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