:12 PM
Subject: Re: [Elecraft] K2 ALC Anomaly Using PTT
I'm planning to do the KI6WX mod for 2.5khz SSB bandwidth.
- I'm wondering where is a good source for the capacitors.
- I assume my January 2003 K2 (3194) doesn't need new crystals.
- Since my K2 is a K2/100 is there a mod
I have installed the two resistors in the mod that Gary told me about, and
the K2/100 ALC now works as it should. I am now going to do Gary's mod to my
other K2/100 since it also has the KI6WX mods installed on the KSB2 board.
Thanks again, Gary. Roy Morris W4WFB
I'm planning to do the KI6WX mod for 2.5khz SSB bandwidth.
- I'm wondering where is a good source for the capacitors.
- I assume my January 2003 K2 (3194) doesn't need new crystals.
- Since my K2 is a K2/100 is there a mod, as listed below, that is needed?
I have installed the two resistors
Hi Roy,
This is not true. The K2's internal ALC is ALWAYS active on PTT closure,
regardless of where the K2 meter is set.
There is no issue with linearity or overdriving an external linear. If
anything, we are conservative after power up or a band change and err
initially on the low side at
Anyone who uses a K2/100 with a linear needs to know that the K2 ALC does not
kick in if PTT is used and the K2 display is in the RF mode. This can cause
the input to the linear to be overdriven. This condition can also cause the
K2 output not to be linear. It is necessary to put the K2 in
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