[hpsdr] FPGA?

[Richard Koch]

Hi Don,

I agree with Helmut, the amount of LE's will determine what functionality
you will get out of the Hermes board. The '25' was used in the ANAN-10E
and will limit the number of receivers you can run. I believe it is a max of
2. The '40' can fit more depending on whether you run protocol1 or 2.

Also the firmware for the '25' (ANAN-10E) is written to support a 14 bit ADC
-vs- a 16 bit. It may work disregarding the extra dynamic range. But if you
decide to go that route I will help you if you need to come up with a firmware
that supports the 16 bit ADC.

Mouser has the '40' in stock @ $176, the '25' Not in stock @ $96.
How do you plan on physically replacing the FPGA?

73

-Rick / N1GP
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