George,
A footswitch will work as long as you operate it before transmitting any RF.
I would prefer an amp keying circuit over a footswitch since there can
be occasions of human failure - "I hit the key (or mic PTT) before I
activated the footswitch".
73,
Don W3FPR
On 2/20/2016 9:58 PM, george fritkin wrote:
Why not a foot switch
George, W6GF
On February 20, 2016, at 6:48 PM, Don Wilhelm <[email protected]> wrote:
LS,
The KXPA100 will work with any QRP transceiver that produces a KEYOUT
signal.
The K3/10, K3S/10 and the KX3 can do that, it is just a matter of a
proper cable.
The K2/10 does not have a KEYOUT line (although the K2/100 does). I
would recommend that you build the circuit shown on Tom Hammond N0SS
(SK) website at http://www.mmccs.com/mmarc/n0ss/index_k2.html.
Since Tom is SK, no boards are available, but the circuit is easy enough
to build on perfboard. Just follow Tom's board layout which is clearly
identified full scale on his website and connect the wires. If you have
the capabilities for etching your own board, the process is easy since
Tom provided full scale images of his board.
I have built several of the perfboard verions of that circuit and they
work fine.
73,
Don W3FPR
On 2/20/2016 9:25 AM, lstavenhagen wrote:
Hi all,
May be a bit silly of a question, but how well does the KXPA 100 work with
the K3 or K3S 10W model? Reason I ask is I now have 3 10W rigs (K3, K3S and
a K2) and may be building a 4th soon (another K2/10). And in the very rare
event when do go QRO, it would probably be cheaper to just get one 100W amp
to use with them all than 4 100W amp modules for each.
So my idea is a KXPA100 for my QRO ops with each one. So just curious how
well this amp works with the K3 and K3S? I would imagine it'd be similar to
using it with the K2 or ?
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