After getting a number of requests for additional information on the high
performance preamp circuit and matching transformer mentioned on my
"Rotatable Flag" web page, I finally got around to including that info on
The preamp schematic has been re-drawn with the latest component values.
P1dB and IP3 data is also included. Dratted IP3 test is hard to do
properly! (at home anyway). Photos of the transformer winding are there as
You can get to it from my web page at:
or perhaps more directly at:
If anyone tries the preamp, I'd like to hear how it worked out for you.
Larry - W7IUV
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