EVAL-ADF7021-NDBZ2 Analog Devices Inc, EVAL-ADF7021-NDBZ2 Datasheet - Page 57

• Manufacturer Part Number: EVAL-ADF7021-NDBZ2
• Description: 860 MHz To 870 MHz
• Manufacturer: Analog Devices Inc
• Type: Transceiver, FSKr

Specifications of EVAL-ADF7021-NDBZ2

• Frequency: 860MHz ~ 870MHz
• 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

REGISTER 8—POWER-DOWN TEST REGISTER
•
It is not necessary to write to this register under normal
operating conditions.
CR1
0
1
COUNTER_RESET
NORMAL
RESET
DB15
CR1
PD7
0
1
LE1
0
1
PA (Rx MODE)
PA OFF
PA ON
DB14
RESET
SW1
0
1
LOG_AMP_ENABLE
LOG AMP OFF
LOG AMP ON
Rx_RESET
CDR
Tx/Rx SWITCH
DEFAULT (ON)
OFF
DEMOD
RESET
DB13
PD6
0
1
DB12
Figure 71. Register 8—Power-Down Test Register Map
PD7
DEMOD_ENABLE
DEMOD OFF
DEMOD ON
DB11
SW1
DB10
LE1
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DB9
PD6
DB8
PD5
PD5
0
1
•
ADC_ENABLE
ADC OFF
ADC ON
DB7
PD4
For a combined LNA/PA matching network, R8_DB11
should always be set to 0, which enables the internal Tx/Rx
switch. This is the power-up default condition.
PD4
0
1
DB6
PD3
FILTER_ENABLE
FILTER OFF
FILTER ON
PD3
0
1
DB5
LNA/MIXER_ENABLE
LNA/MIXER OFF
LNA/MIXER ON
DB4
PD1
C4 (1)
PD1
0
1
DB3
SYNTH_ENABLE
SYNTH OFF
SYNTH ON
C3 (0)
DB2
CONTROL
BITS
C2 (0) C1 (0)
DB1
DB0
ADF7021-N