EVAL-ADF7021-VDB2Z Analog Devices Inc, EVAL-ADF7021-VDB2Z Datasheet - Page 19

• 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

Either Side of an 868 MHz Modulated GFSK 2.4 kHz/4.8 kbps Wanted Signal at the
Sensitivity Point (−106.5 dBm); the Power Level of the Blocker Is Adjusted to
Figure 25. Wideband Interference Rejection (Modulated Carrier Is Swept 20 MHz
Give a BER of 10
Figure 23. 2FSK Sensitivity vs. V
Figure 24. 2FSK Sensitivity vs. V
0.6
0.5
0.4
0.3
0.2
0.1
0.6
0.5
0.4
0.3
0.2
0.1
100
–10
90
80
70
60
50
40
30
20
10
–130
–130
0
0
0
–20
–15
−2
–125
–125
; Interferer Is a GFSK PRBS15 4.8 kHz/2.4 kHz Signal)
–10
FREQUENCY OFFSET (MHz)
RF INPUT POWER (dBm)
RF INPUT POWER (dBm)
–5
–120
–120
DD
DD
0
and Temperature at 868 MHz
and Temperature at 460 MHz
–115
–115
DATA RATE = 1.2kbps
f
RF FREQ = 460MHz
IFBW = 9kHz
5
DATA RATE = 1.2kbps
f
RF FREQ = 868MHz
IFBW = 9kHz
DEV
DEV
= 2.4Hz
= 2.4Hz
–40°C, 2.3V
–40°C, 3V
–40°C, 3.6V
+25°C, 2.3V
+25°C, 3V
+25°C, 3.6V
+85°C, 2.3V
+85°C, 3V
+85°C, 3.6V
10
–110
–110
–40°C, 2.3V
–40°C, 3V
–40°C, 3.6V
+25°C, 2.3V
+25°C, 3V
+25°C, 3.6V
+85°C, 2.3V
+85°C, 3V
+85°C, 3.6V
15
–105
–105
20
Rev. 0 | Page 19 of 60
(IF_FILTER_BW = 9 kHz, Temperature Range Is −40°C to +90°C in 10° Steps)
–10.0
–12.5
–15.0
–17.5
–20.0
–22.5
–25.0
–27.5
–30.0
–32.5
–35.0
–37.5
–100
–120
–140
–2.5
–5.0
–7.5
–10
–20
–40
–60
–80
2.5
80
70
60
50
40
30
20
10
Figure 28. Variation of IF Filter Response with Temperature
–122.5 –112.5 –102.5 –92.5
0
0
Figure 27. Image Rejection, Uncalibrated vs. Calibrated
90
+90°C
92
Figure 26. Digital RSSI Readback Linearity
CALIBRATED
UNCALIBRATED
94
BLOCKER FREQUENCY (MHz)
96
RF INPUT POWER (dBm)
ACTUAL RF INPUT LEVEL
IF FREQUENCY (kHz)
–40°C
98
–82.5
100
–72.5
102
READBACK LEVEL
104
–62.5
RSSI
ADF7021-V
106
–52.5 –42.5
108
110