EVAL-ADF7021-VDB2Z Analog Devices Inc, EVAL-ADF7021-VDB2Z Datasheet - Page 18

• 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
Figure 17. Output Spectrum in 2FSK and Raised Cosine 2FSK Modes
Figure 18. Output Spectrum in 3FSK and Raised Cosine 3FSK Modes
Figure 19. Output Spectrum in 4FSK and Raised Cosine 4FSK Modes
–10
–20
–30
–40
–50
–60
–70
–80
–10
–20
–30
–40
–50
–60
–70
–80
–10
–20
–30
–40
–50
–60
–70
–80
–90
867.97
867.97
10
10
10
867.94
0
0
0
867.98
867.98
867.96
867.99
867.99
867.98
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
RC4FSK
868.00
868.00
868.00
RC3FSK
RC2FSK
868.01
868.01
868.02
DATA RATE = 9.6kbps
DATA = PRBS9
f
RF FREQ = 868MHz
DATA RATE = 9.6kbps
DATA = PRBS9
f
RF FREQ = 868MHz
DATA RATE = 9.6kbps
DATA = PRBS9
f
RF FREQ = 868MHz
DEV
DEV
DEV
= 2.4kHz
= 2.4kHz
= 2.4kHz
4FSK
868.02
868.02
3FSK
868.04
2FSK
868.03
868.03
868.06
Rev. 0 | Page 18 of 60
Figure 21. 2FSK Sensitivity vs. V
Figure 22. 2FSK Sensitivity vs. V
–10
–20
–30
–40
–50
–60
–1
–2
–3
–4
–5
–6
–7
–125 –123 –121 –119 –117 –115 –113 –111 –109 –107 –105
–1
–2
–3
–4
–5
–6
–7
10
0
–127
0
0
–100
RAMP RATE:
CW ONLY
256 CODES/BIT
128 CODES/BIT
64 CODES/BIT
32 CODES/BIT
Figure 20. Output Spectrum in Maximum Hold
–125
–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
–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
for Various PA Ramp Rate Options
–123
–50
FREQUENCY OFFSET (kHz)
RF INPUT POWER (dBm)
RF INPUT POWER (dBm)
–121
–119
DD
DD
0
and Temperature at 868 MHz
and Temperature at 460 MHz
TRACE = MAX HOLD
PA ON/OFF RATE = 3Hz
PA ON/OFF CYCLES = 10,000
V
–117
DD
DATA RATE = 2.4kbps
f
RF FREQ = 868MHz
IFBW = 9kHz
= 3.0V
DEV
DATA RATE = 1.2kbps
f
RF FREQ = 460MHz
IFBW = 9kHz
DEV
–115
= 4.8Hz
= 2.4Hz
50
–113
–111
100