EVAL-ADF7021-NDBEZ Analog Devices Inc, EVAL-ADF7021-NDBEZ Datasheet - Page 43
![426MHz To 429 MHz, External L](/photos/18/35/183568/eval-adf7021-ndbez_sml.jpg)
EVAL-ADF7021-NDBEZ
Manufacturer Part Number
EVAL-ADF7021-NDBEZ
Description
426MHz To 429 MHz, External L
Manufacturer
Analog Devices Inc
Type
Transceiver, FSKr
Datasheet
1.ADF7021-NBCPZ-RL.pdf
(64 pages)
Specifications of EVAL-ADF7021-NDBEZ
Frequency
420MHz ~ 440MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
ADF7021-N
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
Q5835434A
- Current page: 43 of 64
- Download datasheet (3Mb)
WAIT 10µs (REGULATOR POWER-UP)
OPTIONAL. ONLY NECESSARY IF PA
RAMP DOWN IS REQUIRED.
CE HIGH
REFERENCE
TCXO
WAIT FOR PA TO RAMP UP (ONLY IF PA RAMP ENABLED)
WRITE TO REGISTER 3 (TURNS ON Tx/Rx CLOCKS)
Figure 55. Power-Up Sequence for Transmit Mode
WAIT FOR Tx LATENCY NUMBER OF BITS
WRITE TO REGISTER 1 (TURNS ON VCO)
WRITE TO REGISTER 0 (TURNS ON PLL)
WRITE TO REGISTER 2 (TURNS OFF PA)
WRITE TO REGISTER 2 (TURNS ON PA)
WAIT 0.7ms (TYPICAL VCO SETTLING)
WAIT 40µs (TYPICAL PLL SETTLING)
WAIT FOR PA TO RAMP DOWN
(REFER TO TABLE 12)
Rev. 0 | Page 43 of 64
POWER-DOWN
POWER-DOWN
Tx MODE
CE LOW
CE LOW
(REGULATOR POWER-UP + TYPICAL XTAL SETTLING)
REFERENCE
XTAL
WAIT 10µs + 1ms
CE HIGH
ADF7021-N
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