ADF7021-VBCPZ-RL Analog Devices Inc, ADF7021-VBCPZ-RL Datasheet - Page 54

• Manufacturer Part Number: ADF7021-VBCPZ-RL
• Description: Narrow Band Transceiver 433/868/900 MHz
• Manufacturer: Analog Devices Inc

Specifications of ADF7021-VBCPZ-RL

• Frequency: 80MHz ~ 960MHz
• Data Rate - Maximum: 24 kbps
• Modulation Or Protocol: FSK
• Applications: ISM
• Power - Output: 13dBm
• Sensitivity: -125dBm
• Voltage - Supply: 2.3 V ~ 3.6 V
• Current - Receiving: 21.7mA
• Current - Transmitting: 27.1mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-VFQFN, CSP Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADF7021-V
REGISTER 9—AGC REGISTER
•
•
ML1
0
1
It is necessary to program this register only if AGC settings
other than the defaults are required.
In receive mode, AGC is set to automatic AGC by default
on power-up. The default thresholds are AGC_LOW_
THRESHOLD = 30 and AGC_HIGH_THRESHOLD = 70.
See the RSSI/AGC section for details.
LI2
0
MIXER_LINEARITY
DEFAULT
HIGH
LI1
0
LNA_BIAS
800µA (DEFAULT)
LM1
0
1
LNA_MODE
DEFAULT
REDUCED GAIN
FI1
0
1
LNA_
BIAS
FG2
0
0
1
1
FILTER_CURRENT
LOW
HIGH
FG1 FILTER_GAIN
0
1
0
1
8
24
72
INVALID
FILTER_
GAIN
LG2
0
0
1
1
GAIN
LG1
0
1
0
1
LNA_
Figure 71. Register 9—AGC Register Map
LNA_GAIN
3
10
30
INVALID
GM2
0
0
1
1
MODE
AGC_
GM1
0
1
0
1
Rev. 0 | Page 54 of 60
AGC_MODE
AUTO AGC
MANUAL AGC
FREEZE AGC
RESERVED
AGC_HIGH_THRESHOLD
GH7
0
0
0
0
.
.
.
1
1
1
•
•
GH6
0
0
0
0
.
.
.
0
0
0
AGC high and low threshold values must be more than
30 apart to ensure correct operation.
An LNA gain of 30 is available only if LNA_MODE
(Bit DB25) is set to 0.
GL7
0
0
0
0
.
.
.
1
1
1
GH5
0
0
0
0
.
.
.
0
0
1
GL6
0
0
0
0
.
.
.
1
1
1
GH4
0
0
0
0
.
.
.
1
1
0
GL5
0
0
0
0
.
.
.
1
1
1
GH3
0
0
0
1
.
.
.
1
1
0
AGC_LOW_THRESHOLD
GL4
0
0
0
0
.
.
.
1
1
1
GH2
0
1
1
0
.
.
.
1
1
0
GL3
0
0
0
1
.
.
.
1
1
1
GH1
1
0
1
0
.
.
.
0
1
0
GL2
0
1
1
0
.
.
.
0
1
1
AGC_HIGH_
THRESHOLD
1
2
3
4
.
.
.
78
79
80
GL1
1
0
1
0
.
.
.
1
0
1
AGC_LOW_
THRESHOLD
1
2
3
4
.
.
.
61
62
63
ADDRESS
BITS