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Old March 25th 06, 05:48 PM posted to rec.radio.amateur.homebrew
JJ
 
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Default mixer: DBM or dual gate mosfet?

"Giancarlo Gian Moda, I7SWX" wrote in
ups.com:


Well one need to start from somewhere to improuve a receiver. If the
non mixer stages have a maximum IP3 of around +15dBm, certainly a
+35/40dBm mixer may not make much of a difference, unless it is
replacing a NE602. In this case you may use the I7SWX 1 transformer
double balanced mixer using the FST3125 (half of an H-Mode mixer) with
an IP3 of +25dBm.

Gian
I7SWx

That is a very interesting suggestion. Where can I find the 1 transformer
DBM using the FST3125?

JJ

 
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