AD9371BBCZ datasheet(21/57 Pages) AD

21 / 57 page

Data Sheet

AD9371

Rev. B | Page 21 of 57

–100

–80

–60

–90

–70

–50

–40

–30

–20

–10

700

725

750

775

800

825

850

875

900

FREQUENCY (MHz)

Figure 35. Tx Output Power Spectrum, 2 dB Digital and 3 dB RF Backoff,

20 MHz RF Bandwidth, Transmitter QEC, and Internal LO Leakage Active,

LTE 10 MHz Signal, 800 MHz LO, 1 MHz Resolution Bandwidth,

122.88 MSPS Sample Rate, Test Equipment Noise Floor De-Embedded

–100

–80

–60

–90

–70

–50

–40

–30

–20

–10

300

400

500

600

700

800

900

1100

1000

1200 1300

FREQUENCY (MHz)

Figure 36. Tx Output Power Spectrum, 2 dB Digital and 3 dB RF Backoff,

20 MHz RF Bandwidth, Transmitter QEC, and Internal LO Leakage Active,

LTE 10 MHz Signal, 800 MHz LO, 1 MHz Resolution Bandwidth,

122.88 MSPS Sample Rate, Test Equipment Noise Floor De-Embedded

–20

–50

–45

–40

–35

–30

–25

RF ATTENUATION (dB)

+110°C

+40°C

–40°C

Figure 37. Transmitter EVM vs. RF Attenuation, 900 MHz LO,

Transmitter LO Leakage and Transmitter QEC Tracking Active, 20 MHz RF

Bandwidth, LTE 20 MHz Downlink Signal, 122.88 MSPS Sample Rate

–100

–80

–60

–90

–70

–50

–40

–30

–20

–10

RF ATTENUATION (dB)

+110°C

+40°C

–40°C

Figure 38. Transmitter HD2 vs. RF Attenuation, 800 MHz LO,

810 MHz CW Desired Signal, 20 MHz RF Bandwidth,

122.88 MSPS Sample Rate

–80

–60

–70

–50

–40

–30

–20

–10

RF ATTENUATION (dB)

+110°C

+40°C

–40°C

Figure 39. Transmitter HD3 vs. RF Attenuation, 800 MHz LO,

810 MHz CW Desired Signal, 20 MHz RF Bandwidth,

122.88 MSPS Sample Rate

–20

–15

–10

–5

RF ATTENUATION (dB)

+110°C

+40°C

–40°C

Figure 40. Transmitter Output Power vs. RF Attenuation, 800 MHz LO,

810 MHz CW Desired Signal, 20 MHz RF Bandwidth,

122.88 MSPS Sample Rate

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