I an using "Analog Devices Int-N PLL Software" with the USB interface to control an ADF4106. Is it possible to achieve the same phase relationship between the RFin and REFin signals for a given set of device settings after power-cycling the ADF4106 and VCO?
I have tried the "Initialization Latch Method" and the "Counter Reset Method" as described in the ADF4106 data sheet. It seems that for frequency settings where RFin is not a multiple of REFin the resulting phase relationship is always different after power-up. I was expecting that the internal reset pulse or the counter reset operation would ensure that a consistent phase relationship would result. It does not. In fact, any counter reset that is executed results in a different phase relationship for the cases where RFin is not a multiple of REFin. Am I missing something?