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I have a question about configuring LMX2582.
The chip is palced on the evaluation board ADC32RF80EVM and I try to get 3GHz from LMX2582 outputs.
His input frequency = 122.88MHz (get from LMK04828).
I used "Tics pro" and set such values:
Input chain: Doubler = x1, Pre-R=1, Multiplier=1, Post-R=1.
Feedback: Prescaler = 2, Ndivider = 24, Fnum = 53, Fden = 128.
F_VCO = 6000 MGz.
Outputs chain: SEG1 = /2, Channel Divider MUX = SEG1, Output MUX = CHDIV.
So RFOutA = 3000MHz.
BUT: instead of 3000M, RFOutA is about 3031M.
I attached file *.tcs for "TICS Pro", may be you can help me to set right registers values?(I changed extension as the site refuse to attach *.tcs)
Thanks.
5100.ADC_evm_3000p00_4xIQ_8411_.cfg
[SETUP] ADDRESS=888 CLOCK=8 DATA=4 LE=2 PART=LMX2582 IFACE=SPI ADDRESS_I2C=0x0 [PINS] PINNAME00=CE LOCATION00=7 PINVALUE00=True [MODES] NAME00=R64 VALUE00=4195191 NAME01=R62 VALUE01=4063232 NAME02=R61 VALUE02=3997697 NAME03=R59 VALUE03=3866624 NAME04=R48 VALUE04=3146748 NAME05=R47 VALUE05=3080399 NAME06=R46 VALUE06=3026227 NAME07=R45 VALUE07=2949173 NAME08=R44 VALUE08=2883584 NAME09=R43 VALUE09=2818048 NAME10=R42 VALUE10=2752512 NAME11=R41 VALUE11=2687104 NAME12=R40 VALUE12=2621440 NAME13=R39 VALUE13=2589188 NAME14=R38 VALUE14=2490416 NAME15=R37 VALUE15=2441216 NAME16=R36 VALUE16=2362385 NAME17=R35 VALUE17=2294299 NAME18=R34 VALUE18=2278378 NAME19=R33 VALUE19=2173450 NAME20=R32 VALUE20=2105610 NAME21=R31 VALUE21=2033153 NAME22=R30 VALUE22=1967156 NAME23=R29 VALUE23=1900676 NAME24=R28 VALUE24=1845540 NAME25=R25 VALUE25=1638400 NAME26=R24 VALUE26=1574153 NAME27=R23 VALUE27=1542210 NAME28=R22 VALUE28=1450752 NAME29=R20 VALUE29=1311020 NAME30=R19 VALUE30=1247589 NAME31=R14 VALUE31=917900 NAME32=R13 VALUE32=868352 NAME33=R12 VALUE33=815105 NAME34=R11 VALUE34=720920 NAME35=R10 VALUE35=659672 NAME36=R9 VALUE36=590594 NAME37=R8 VALUE37=528516 NAME38=R7 VALUE38=469170 NAME39=R4 VALUE39=268611 NAME40=R2 VALUE40=132352 NAME41=R1 VALUE41=67592 NAME42=R0 VALUE42=8860 [FLEX] CalculatedCPG=0.9375 CalculatedKvco=46.9 CalculatedTotalDivide=2 Fosc_FREQ=122.88 FoutA_FREQ=3000 FoutB_FREQ=3000 Fpd_FREQ=122.88 Fvco_FREQ=6000 VCO_2X=0 VCO_MULTIPLIED_FREQ=6000 btn_LoadRegisters=Load Registers btn_SimplifyFraction=Simplify Fraction