adf7023-j Analog Devices, Inc., adf7023-j Datasheet - Page 20

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

ADF7023-J
Frequency Deviation = 75 kHz (Minimum Recommended V
Figure 13. Transmit Spectrum at 928 MHz, GFSK, Data Rate = 300 kbps,
–10
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15
10
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10
10
5
0
0
0
0
0
Figure 12. PA Ramp-Down at Data Rate = 300 kbps for
Figure 11. PA Ramp-Up at Data Rate = 300 kbps for
5
5
3.6V, +25°C
1.8V, +25°C
3.6V, +85°C
1.8V, +85°C
3.6V, –40°C
1.8V, –40°C
10 15 20 25 30 35 40 45 50 55 60 65 70 75
10 15 20 25 30 35 40 45 50 55 60 65 70 75
Each PA_RAMP Setting, Differential PA
Each PA_RAMP Setting, Differential PA
Operation Shown for Robustness)
PA RAMP = 4
PA RAMP = 5
PA RAMP = 6
PA RAMP = 7
PA RAMP = 4
PA RAMP = 5
PA RAMP = 6
PA RAMP = 7
FREQUENCY OFFSET (kHz)
TIME (µs)
TIME (µs)
DD
= 2.2 V, 1.8 V
Rev. 0 | Page 20 of 100
Figure 16. LNA/Mixer IIP3, V
Figure 14. LNA/Mixer 1 dB Compression Point, V
Figure 15. LNA/Mixer 1 dB Compression Point, V
25°C, RF Frequency = 915 MHz, LNA Gain = High, Mixer Gain = High
915 MHz, LNA Gain = Low, Mixer Gain = Low, Source 1 Frequency =
25°C, RF Frequency = 915 MHz, LNA Gain = Low, Mixer Gain = Low
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20
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10
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10
5
0
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5
0
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0
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(915 + 0.4) MHz, Source 2 Frequency = (915+ 0.7) MHz
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OUTPUT POWER (FUNDAMENTAL)
OUTPUT POWER IDEAL
P1dB
OUTPUT POWER (FUNDAMENTAL)
OUTPUT POWER IDEAL
P1dB
–35
–35
–40
LNA INPUT POWER (dBm)
LNA INPUT POWER (dBm)
DD
LNA INPUT POWER (dBm)
= 3.0 V, Temperature = 25°C, RF Frequency =
–35
–30
–30
FUNDAMENTAL TONE
IM3 TONE
FUNDAMENTAL 1/1 SLOPE FIT
IM3 3/1 SLOPE FIT
P1dB = –21.9dBm
–30
P1dB = –21dBm
–25
–25
–25
DD
DD
IIP3 = –11.5dBm
= 3.0 V, Temperature =
= 3.0 V, Temperature =
–20
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–10