Actually, the suggestion of V2 being modular is interesting.
Many Chinese electronic products are manufactured using a main PCB to hold charging and other ancillary circuits and the wireless and/or processors are on daughter-boards that are then soldered to the main PCB.
If the DSP and the RF mixer/gen could be designed as modules, that may provide for alternatives going forward.
I forget off-hand but one of the US Amateur groups designed a VNA using an STM compute module that plugged into the main board.
Good idea.
73...Larry
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On Fri, Sep 27, 2019 at 01:18 PM, Bo, OZ2M wrote:
Hello Mike
Yes, adding the ADF4351 is a possibility. I was merely referring to the
additional PCB, perhaps FR4 has to be abandoned, and component costs.
Bo
