[Elecraft] K3SYN3 with and without stiffener (was: shielding)

[Bill W4ZV]

Sverre Holm (LA3ZA) wrote:
> 
> Thanks for comments - OK it's a stiffener, not a shield.
> 
> Looks like I should put the stiffened KSYN3 in the primary position then,
> eliminating the possibility for transmitting a chirpy signal when
> monitoring the transmission on the internal loudspeaker. With time I can
> perhaps upgrade the second synthesizer with a stiffener.
> 

Both the DDS Gain Mod (for chirp) and the Stiffener Mod primarily affect the
transmitted signal, so both mods should be installed in the Main VCO.  For
KRX3 users, Elecraft recommends making mods to both VCO boards in case those
boards should accidentally be swapped in the future.  If you take care to
mark the modified board, IMO it should not be necessary to modify the other
one.

73,  Bill
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