EVAL-ADF7021-VDB2Z Analog Devices Inc, EVAL-ADF7021-VDB2Z Datasheet - Page 41

• Manufacturer Part Number: EVAL-ADF7021-VDB2Z
• Description: 868 - 870MHz - EVALUATION BOARD
• Manufacturer: Analog Devices Inc
• Type: Transceiverr

Specifications of EVAL-ADF7021-VDB2Z

• Frequency: 868MHz ~ 870MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: ADF7021
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADF7021-V
TCXO
POWER-DOWN
XTAL
CE LOW
REFERENCE
REFERENCE
TURN ON EXTERNAL VCO AND
ALLOW ADEQUATE SETTLING
CE HIGH
CE HIGH
WAIT 50µs + 1ms
WAIT 50µs (REGULATOR POWER-UP)
(REGULATOR POWER-UP + TYPICAL XTAL SETTLING)
CHECK FOR REGULATOR READY
CHECK FOR REGULATOR READY
WRITE TO REGISTER 1
WRITE TO REGISTER 3
(TURNS ON Tx/Rx CLOCKS)
OPTIONAL:
ONLY NECESSARY IF
WRITE TO REGISTER 6 (SETS UP IF FILTER FINE CALIBRATION)
IF FILTER FINE
CALIBRATION
IS REQUIRED.
WRITE TO REGISTER 5 (STARTS IF FILTER CALIBRATION)
WAIT 0.2ms (COARSE CAL) OR WAIT 8.2ms
(COARSE CALIBRATION + FINE CALIBRATION)
OPTIONAL:
WRITE TO REGISTER 11 (SET UP SWD)
ONLY NECESSARY IF
WRITE TO REGISTER 12 (ENABLE SWD)
SWD IS REQUIRED.
WRITE TO REGISTER 0 (TURNS ON PLL)
WAIT 40µs (TYPICAL PLL SETTLING)
WRITE TO REGISTER 4 (TURNS ON DEMOD)
OPTIONAL:
ONLY NECESSARY IF
WRITE TO REGISTER 10 (TURNS ON AFC)
AFC IS REQUIRED.
Rx MODE
CE LOW
POWER-DOWN
OPTIONAL.
Figure 55. Power-Up Sequence for Receive Mode
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