AD9371BBCZ datasheet(21/60 Pages) AD

21 / 60 page

Data Sheet

AD9371

Rev. A | Page 21 of 60

–80

–180

–160

–140

–170

–150

–130

–120

–110

–100

–90

RF ATTENUATION (dB)

+110°C

+40°C

–40°C

Figure 29. Transmitter Noise vs. RF Attenuation, 800 MHz LO,

20 MHz Offset Frequency

–40

–80

–75

RF ATTENUATION (dB)

+110°C LOWER

+40°C LOWER

–40°C LOWER

+110°C UPPER

+40°C UPPER

–40°C UPPER

–70

–65

–60

–55

–50

–45

Figure 30. Tx Adjacent Channel Leakage Ratio vs. RF Attenuation, 900 MHz LO,

20 MHz RF Bandwidth, Four-Carrier W-CDMA Desired Signal, Transmitter

QEC and LO Leakage Tracking Active

–40

–80

–75

RF ATTENUATION (dB)

+110°C LOWER

+40°C LOWER

–40°C LOWER

+110°C UPPER

+40°C UPPER

–40°C UPPER

–70

–65

–60

–55

–50

–45

Figure 31. Tx Alternate Channel Leakage Ratio vs. RF Attenuation,

900 MHz LO, 20 MHz RF Bandwidth, Four-Carrier W-CDMA Desired Signal,

2 dB Digital Backoff, Transmitter QEC and LO Leakage Tracking Active

–60

–150

–130

–140

100

10k

100k

10M

OFFSET FREQUENCY (Hz)

–120

–110

–100

–90

–80

–70

Figure 32. LO Phase Noise vs. Offset Frequency, 3 dB Digital Backoff,

710 MHz LO

1.0

0.2

0.4

0.1

0.3

0.5

0.6

0.7

0.8

0.9

300

400

500

600

700

800

900

1000

TRANSMITTER LO FREQUENCY (MHz)

+110°C

+40°C

–40°C

Figure 33. Tx Integrated Phase Noise vs. Transmitter LO Frequency,

20 MHz RF Bandwidth, CW 20 MHz Offset from LO, 3 dB Digital Backoff

410

RF ATTENUATION (dB)

+110°C

+40°C

–40°C

Figure 34. Transmitter OIP3 vs. RF Attenuation, 800 MHz LO,

20 MHz RF Bandwidth, f1 = 10 MHz, f2 = 11 MHz, 3 dB Digital Backoff,

122.88 MSPS Sample Rate

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