Monday 8 June 2015

Low Pass filters for 40, 30 & 20m

I now plan a separate board for the LPFs in my CONCEPT project, this will enable me to use a Universal PA design, i.e. wide band amplifier.

The schematic is:

Screen Shot 2015 06 10 at 18 10 24

I will probably change the output header to a coaxial socket...

LPFs for 40, 30 & 20m

40m s

40m p

30m s

30m p

20m s

20m p

Simulations on LTSpice.

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