AD8361ARM datasheet(8/16 Pages) AD

8 / 16 page

AD8361

–8–

REV. A

CARRIER FREQUENCY – MHz

7.8

7.6

6.2

100

1000

7.2

6.6

6.4

7.4

6.8

7.0

6.0

5.8

5.6

VS = 3V

Figure 26. Conversion Gain Change vs. Frequency, Supply

3 V, Ground Reference Mode, Frequency 100 MHz to

2500 MHz, Representative Device

67mV

370mV

270mV

25mV

500mV PER

VERTICAL

DIVISION

SUPPLY

20 s PER HORIZONTAL DIVISION

INPUT

Figure 27. Output Response to Gating On Power Supply,

for Various RF Input Levels, Supply 3 V, Modulation

Frequency 900 MHz, 0.01

µF Filter Capacitor

AD8361

VPOS

IREF

RFIN

PWDN

SREF

VRMS

FLTR

COMM

100pF

HP8648B

SIGNAL

GENERATOR

HP8110A

PULSE

GENERATOR

732

0.01 F

AD811

100pF

TEK P6204

FET PROBE

TEK TDS784C

SCOPE

0.1 F

Figure 28. Hardware Conﬁguration for Output Response

to Power Supply Gating Measurements

CONVERSION GAIN – V/V rms

7.6

6.9

7.0

7.2

7.4

7.8

Figure 29. Conversion Gain Distribution Frequency

100 MHz, Supply 5 V, Sample Size 3000

IREF MODE INTERCEPT – Volts

0.40

0.32

0.34

0.36

0.38

0.44

0.42

Figure 30. Output Reference, Internal Reference Mode,

Supply 5 V, Sample Size 3000 (micro_SOIC Only)

SREF MODE INTERCEPT – Volts

0.72

0.64

0.66

0.68

0.70

0.76

0.74

Figure 31. Output Reference, Supply Reference Mode,

Supply 5 V, Sample Size 3000 (micro_SOIC Only)

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