[hpsdr] Re Munin low output on 6m

John radio at mediacombb.net
Thu Nov 21 04:55:19 PST 2013


What is the best way to install the four new 
capacitors that replace C25 C26 C27?

Is it better to stack one on top of another or 
try to stagger them across the existing pads?
Or maybe stagger the one stacked on top so that 
it makes contact with two of the bottom capacitors?

Best regards,

John,  WoGN




At 03:30 AM 11/16/2013, Kjell Karlsen wrote:
>***** High Performance Software Defined Radio Discussion List *****
>
>Hi Al.
>
>I agree that the problem might be one of the capacitors. All my problems
>with low power on 6 meter has been with the output transformer and
>components around it.
>
>Please report back when you have tested with new capacitors.
>
>73, Kjell
>
>
>
>
>
>På Sat, 16 Nov 2013 00:33:28 +0100, skrev Bob Campbell
><joan-bob at bigpond.net.au>:
>
>>***** High Performance Software Defined Radio Discussion List *****
>>
>>Hi Al,
>>
>>Check caps C25 C26 C27 are all ok.
>>
>>Mine failed when I went to load it up on 6m, blew the cermic cap apart.
>>
>>As Kjell suggested in a previous post replace these caps with four 220pf
>>500vw 1206 caps.  Since doing this mine has been ok.  I suspect with
>>this mod the current is shared evenly between all 4 caps and the circuit
>>is much more stable and I have no trouble getting the desired output on
>>6m now.
>>
>>73's
>>Bob.c
>>Vk4xv
>>
>>_______________________________________________



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