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KlausST /
Thanks for your reply.
I followed the schematic in the datasheet page 29.
When I test the device using spectrum analyzer, the device operates very well but only in 2.2~2.5 GHz range.
PCB layout is here.
Using this layout, I etched on FR-4 of which thickness is 0.8mm...
Hi everyone,
I designed and fabricated LTC6946-4 PCB board.
According to the datasheet, VCO in the chip can produce signal in the frquency range 4.2~6.4GHz.
However, my PLL can generate only 4.4~5GHz when the voltage at TUNE pin is 0~5V.
Informations of my pll is here.
F_ref = 26MHz.
N =...
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