ADL5324ARKZ-R7 datasheet(16/20 Pages) AD

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ADL5324

Data Sheet

Rev. 0 | Page 16 of 20

Table 8. Load Conditions for GainMAX

Frequency (MHz)

ΓLoad

(Magnitude)

ΓLoad (°)

Gain

MAX (dB)

2140

0.888

−173.55

16.1

2630

0.0843

−175.41

13.83

Table 9. Load Conditions for OIP3 MAX

Frequency (MHz)

ΓLoad

(Magnitude)

ΓLoad (°)

IP3

MAX (dBm)

2140

0.654

+163.28

44.18

2630

0.894

+166.52

45.19

W-CDMA ACPR PERFORMANCE

Figure 38 shows a plot of adjacent channel power ratio (ACPR)

vs. POUT for the ADL5324. The signal type used is a single

W-CDMA carrier (Test Model 1-64) at 2140 MHz. This signal is

generated by a very low ACPR source. ACPR is measured at the

output by a high dynamic range spectrum analyzer, which

incorporates an instrument noise correction function.

The ADL5324 achieves an ACPR of −79 dBc at 0 dBm output,

at which point device noise and not distortion is beginning to

dominate the power in the adjacent channels. At an output

power of 10 dBm, ACPR is still very low at −72 dBc, making the

device particularly suitable for PA driver applications.

–85

–80

–75

–70

–65

–60

–55

–50

–45

–40

–35

–30

–20

–15

–10

–5

POUT (dBm)

SOURCE

VCC = 3.3V

VCC = 5V

Figure 38. ACPR vs. Output Power, Single Carrier W-CDMA,

TM1-64, at 2140 MHz

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