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HMC835 cannot be locked

Question asked by Sunzeyue on Dec 27, 2016
Latest reply on Jan 5, 2017 by Sunzeyue

Hi, I am using HMC835 to generate 3.4GHz signal. But it can not be locked. The values of loop filter is the same as the eval-board, and integer mode is used. The register configuration is listed as following. Please give me some suggestions. Thank you very much.

register address 01h=d23~d0|r4~r0|a2~a0|=0x00000308

register address 02h=d23~d0|r4~r0|a2~a0|=0x00000110

register address 03h=d23~d0|r4~r0|a2~a0|=0x00002218

register address 04h=d23~d0|r4~r0|a2~a0|=0x00000020

register address 06h=d23~d0|r4~r0|a2~a0|=0x03078A30

register address 07h=d23~d0|r4~r0|a2~a0|=0x20088438

register address 08h=d23~d0|r4~r0|a2~a0|=0x41BBFF40

register address 09h=d23~d0|r4~r0|a2~a0|=0x54726448

register address 0Ah=d23~d0|r4~r0|a2~a0|=0x00204650

register address 0Bh=d23~d0|r4~r0|a2~a0|=0x07C06158

register address 0Ch=d23~d0|r4~r0|a2~a0|=0x00000060

register address 0Fh=d23~d0|r4~r0|a2~a0|=0x00000178

register address 14h=d23~d0|r4~r0|a2~a0|=0x000230A0

register address 15h=d23~d0|r4~r0|a2~a0|=0x0F48A0A8

register address 16h=d23~d0|r4~r0|a2~a0|=0x0006C1B0

register address 17h=d23~d0|r4~r0|a2~a0|=0x0003BBB8

register address 18h=d23~d0|r4~r0|a2~a0|=0x1854C3C0

register address 19h=d23~d0|r4~r0|a2~a0|=0x000AB2C8

register address 1Ah=d23~d0|r4~r0|a2~a0|=0xB29D0BD0

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