ADF7024 datasheet(16/24 Pages) AD

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ADF7024

Data Sheet

Rev. B | Page 16 of 24

Figure 11. Transmit Spectrum at 868 MHz, FSK, Radio Profile B, (Minimum

Recommended VDD = 2.2 V, 1.8 V Operation Shown for Robustness)

Figure 12. Transmit Spectrum at 868 MHz, GFSK, Radio Profile B, (Minimum

Recommended VDD = 2.2 V, 1.8 V Operation Shown for Robustness)

Figure 13. Transmit Spectrum at 928 MHz, GFSK, Radio Profile F, (Minimum

Recommended VDD = 2.2 V, 1.8 V Operation Shown for Robustness)

Figure 14. LNA/Mixer 1 dB Compression Point, VDD = 3.0 V, Temperature =

25°C, RF = 915 MHz, LNA Gain = Low, Mixer Gain = Low

Figure 15. LNA/Mixer 1 dB Compression Point, VDD = 3.0 V, Temperature =

25°C, RF = 915 MHz, LNA Gain = High, Mixer Gain = High

Figure 16. LNA/Mixer IIP3, VDD = 3.0 V, Temperature = 25°C, RF = 915 MHz,

LNA Gain = Low, Mixer Gain = Low, Source 1 Frequency =

915 MHz + 0.4 MHz, Source 2 Frequency = 915 MHz + 0.7 MHz

–60

–50

–40

–30

–20

–10

–250 –200 –150 –100 –50

100

150

200

250

FREQUENCY OFFSET (kHz)

3.6V, –40°C

1.8V, –40°C

3.6V, +85°C

1.8V, +85°C

–60

–50

–40

–30

–20

–10

–250 –200 –150 –100 –50

100

150

200

250

FREQUENCY OFFSET (kHz)

3.6V, –40°C

1.8V, –40°C

3.6V, +85°C

1.8V, +85°C

–45

–40

–35

–30

–25

–20

–15

–10

–5

FREQUENCY OFFSET (kHz)

3.6V, +25°C

1.8V, +85°C

3.6V, –40°C

1.8V, –40°C

3.6V, +85°C

1.8V, +25°C

–40

–35

–30

–25

–20

–15

–10

–5

–40

–35

–30

–25

–20

–15

LNA INPUT POWER (dBm)

OUTPUT POWER (FUNDAMENTAL)

OUTPUT POWER IDEAL

P1dB

P1dB = –21dBm

OUTPUT POWER (FUNDAMENTAL)

OUTPUT POWER IDEAL

P1dB

–10

–5

–40

–35

–30

–25

–20

–15

LNA INPUT POWER (dBm)

P1dB = –21.9dBm

–130

–120

–110

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

–50

–45

–40

–35

–30

–25

–20

–15

–10

LNA INPUT POWER (dBm)

FUNDAMENTAL TONE

IM3 TONE

FUNDAMENTAL 1/1 SLOPE FIT

IM3 3/1 SLOPE FIT

IIP3 = –11.5dBm

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