Hi Rich:
You wrote:
>
>I have not seen this Mod, What will we gain by changing out the
>transistor?? Thanks ... rich
>
I am just quoting from the RadioKit paperwork that came with the set,
and am not sure about why all the changes with the driver device.
It could be for econnomic reasons for all I know...If you have it built and it
works I wouldn't change it....
In the original article by K1BQT which described the QRP 15 it said:
"...To insure full output at 21mhz, I replaced the
2N2222a driver with a 2N5109...."
The QRP 15 was a delta on a previous rig (the QRP 20) which Rick
had built earlier. If you follow the references you can see a lof of
rigs that he built.
Apparently as you change the circuits to build the QRP 40 or QRP 30
or whatever, there is a little exercise in makeing sure that the
driver has enough stage gain but not too much.... Only my guess...
Do you have one of these rigs???
Did you build it??
How does it work??
Looks like a nice little rig to me....
Larry
KA5T - Larry Wise - Georgetown, Texas - lewise@inetport.com QRP-L 89
ex: KN8OSG K8OSG(1959-1967 MI) W6HED(1967-1968 Ca) W4ZTB(1968-1978 Fl)
KA5T - Larry Wise - Georgetown, Texas - lewise@inetport.com QRP-L 89
ex: KN8OSG K8OSG(1959-1967 MI) W6HED(1967-1968 Ca) W4ZTB(1968-1978 Fl)
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