adf7023-j Analog Devices, Inc., adf7023-j Datasheet - Page 21

• Manufacturer Part Number: adf7023-j
• Description: High Performance, Low Power, Ism Band Fsk/gfsk/msk/gmsk Transceiver Ic
• Manufacturer: Analog Devices, Inc.

Source 1 Frequency = (915 + 0.4) MHz, Source 2 Frequency = (915+ 0.7) MHz
Figure 18. IF Filter Profile vs. IF Bandwidth, V
Figure 19. IF Filter Profile vs. V
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
RF Frequency = 915 MHz, LNA Gain = High, Mixer Gain = High,
20
10
10
10
0
Figure 17. LNA/Mixer IIP3, V
0
–50
0
0
0
–45
0.1
0.1
–40
0.2
0.2
FREQUENCY OFFSET (MHz)
FREQUENCY OFFSET (MHz)
LNA INPUT POWER (dBm)
–35
0.3
0.3
Bandwidth
FUNDAMENTAL TONE
IM3 TONE
FUNDAMENTAL 1/1 SLOPE FIT
IM3 3/1 SLOPE FIT
DD
DD
and Temperature, 100 kHz IF Filter
–30
0.4
0.4
= 3.0 V, Temperature = 25°C,
–25
DD
0.5
0.5
= 3.0 V, Temperature = 25°C
IIP3 = –12.2dBm
–20
0.6
0.6
1.8V, –40°C
2.4V, –40°C
3.0V, –40°C
3.6V, –40°C
1.8V, +25°C
2.4V, +25°C
3.0V, +25°C
3.6V, +25°C
1.8V, +85°C
2.4V, +85°C
3.0V, +85°C
3.6V, +85°C
–15
100kHz
150kHz
200kHz
300kHz
0.7
0.7
–10
0.8
0.8
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Figure 20. Receiver Wideband Blocking at 915 MHz, Data Rate = 38.4 kbps
Figure 21. Receiver Wideband Blocking at 915 MHz, Data Rate = 100 kbps
Figure 22. Receiver Wideband Blocking at 915 MHz, Data Rate = 300 kbps
–10
–20
–10
–10
–20
70
60
50
40
30
20
10
80
70
60
50
40
30
20
10
80
70
60
50
40
30
20
10
0
0
0
INTERFERER OFFSET FROM RECEIVER LO FREQUENCY (MHz)
INTERFERER OFFSET FROM RECEIVER LO FREQUENCY (MHz)
INTERFERER OFFSET FROM RECEIVER LO FREQUENCY (MHz)
MODULATED
INTERFERER
CARRIER WAVE
INTERFERER
MODULATED
INTERFERER
CARRIER WAVE
INTERFERER
MODULATED
INTERFERER
CARRIER WAVE
INTERFERER
ADF7023-J