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ADF7021 SPI communication Error

Hello Team analog

i was working with adf7021dbx from couple of weeks i was having issue in setting up com with SPI to microcontroller

i could able to establish serial interface successfully and checked following

1.MUX OUT digital lock detect  was high
2.Able to read version of chip
3.writen values for register 0 DB28 and register 15 DB17:19 high
4.MUXOUT regulator was ready was high (on altering register value)
5.Ensured chip was in TX mode

can i have some suggestions on troubleshooting 

i used recommended filter and matching circuit, by analog correct me if was using any wrong parameters from following
a.PFD freq 19.68Mhz for 433mhz transmitting freq
b.SPI CPOL=0 CPHA=0 MODE=0