i want to sweep in frequency range from 2.2 GHz- 2.5GHz in steps of 500 KHz
i'm using the evaluation board ADF4350EB1Z
initially i tried generating a single frequecy of 2.4 GHz
i could succesfully generate it using the software provided by analog devices but when i use the SAME REGISTER VALUES and send them from my controller i dont get any output and there is no locking too
i send the registers in the sequence r5,r4,r3,r2,r1,r0
i sent a high pulse on le line after each set of 32 bits were sent i.e i made le high and then low again to get a pulse of approx 100ns width
i m using spi at 4MHz frequency
register values are-
this sequence was ideally supposed to generate 2400.5MHz but i am not getting any output at all
do i need to take care of any timing considerations or anything else that is causing my code to not work properly
is there any major mistake that i hav done
i am using cpha=0
i am using lpc2148 controller
any help will b great!!
thanks a lot!!