AD9371BBCZ datasheet(39/57 Pages) AD

39 / 57 page

Data Sheet

AD9371

Rev. B | Page 39 of 57

FREQUENCY (MHz)

–10

–8

–6

–4

–2

3300

3400

3500

3600

3700

3800

+110°C

+40°C

–40°C

Figure 141. Tx Output Power, Transmitter QEC and

External LO Leakage Active, 5 MHz CW Offset Signal,

1 MHz Resolution Bandwidth, 307.2 MSPS Sample Rate

RF ATTENUATION (dB)

–95

–90

–85

–80

–75

–70

–65

–60

–100

+110°C

+40°C

–40°C

Figure 142. Transmitter LO Leakage vs. RF Attenuation, 3550 MHz LO,

Transmitter QEC and External LO Leakage Tracking Active, CW Signal 10 MHz

Offset from LO, 6 dB Digital Backoff, 1 MHz Measurement Bandwidth

(If Input Power to ORx Channel Is Not Held Constant,

Performance Degrades as Shown in This Plot)

OFFSET FREQUENCY (MHz)

3.3GHz, +110°C

3.3GHz, +40°C

3.3GHz, –40°C

3.55GHz, +110°C

3.55GHz, +40°C

3.55GHz, –40°C

3.8GHz, +110°C

3.8GHz, +40°C

3.8GHz, –40°C

–30

–20

–10

Figure 143. Transmitter LO Leakage vs. Offset Frequency,

Transmitter QEC and External LO Leakage Tracking Active,

6 dB Digital Backoff, 1 MHz Measurement Bandwidth

RECEIVER LO FREQUENCY (MHz)

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

3300

3400

3500

3600

3700

3800

Figure 144. Tx1 to Rx1 Crosstalk vs. Receiver LO Frequency,

100 MHz Receiver RF Bandwidth, 100 MHz Transmitter RF Bandwidth,

CW Signal 3 MHz Offset from LO

–100

3300

3400

3500

3600

3700

3800

RECEIVER LO FREQUENCY (MHz)

–90

–80

–70

–60

–50

–40

–30

–20

–10

Figure 145. Tx2 to Rx2 Crosstalk vs. Receiver LO Frequency,

100 MHz Receiver RF Bandwidth, 100 MHz Transmitter RF Bandwidth,

CW Signal 3 MHz Offset from LO

–100

3300

3800

TRANSMITTER LO FREQUENCY (MHz)

3400

3500

3600

3700

–90

–80

–70

–60

–50

–40

–30

–20

–10

Figure 146. Tx2 to Tx1 Crosstalk vs. Transmitter LO Frequency,

100 MHz RF Bandwidth, CW Signal 3 MHz Offset from LO

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