AD8361ARM datasheet(7/16 Pages) AD

7 / 16 page

AD8361

–7–

REV. A

67mV

370mV

270mV

25mV

5 s PER HORIZONTAL DIVISION

GATE PULSE FOR

900MHz RF TONE

RF INPUT

500mV PER

VERTICAL

DIVISION

Figure 20. Output Response to Modulated Pulse Input

for Various RF Input Levels, Supply 3 V, Modulation

Frequency 900 MHz, No Filter Capacitor

67mV

370mV

25mV

500mV PER

VERTICAL

DIVISION

50 s PER HORIZONTAL DIVISION

RF INPUT

GATE PULSE FOR

900MHz RF TONE

270mV

Figure 21. Output Response to Modulated Pulse Input

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

HPE3631A

POWER SUPPLY

0.01 F

100pF

HP8648B

SIGNAL

GENERATOR

0.1 F

TEK TDS784C

SCOPE

100pF

TEK P6204

FET PROBE

Figure 22. Hardware Conﬁguration for Output Response

to Modulated Pulse Input

RF INPUT

67mV

370mV

270mV

25mV

500mV PER

VERTICAL

DIVISION

PWDN INPUT

2 s PER HORIZONTAL DIVISION

Figure 23. Output Response Using Power-Down Mode

for Various RF Input Levels, Supply 3 V, Frequency

900 MHz, No Filter Capacitor

67mV

370mV

270mV

25mV

500mV PER

VERTICAL

DIVISION

PWDN INPUT

20 s PER HORIZONTAL DIVISION

RF INPUT

Figure 24. Output Response Using Power-Down Mode

for Various RF Input Levels, Supply 3 V, Frequency

900 MHz, 0.01

µF Filter Capacitor

AD8361

VPOS

IREF

RFIN

PWDN

SREF

VRMS

FLTR

COMM

HPE3631A

POWER SUPPLY

100pF

HP8648B

SIGNAL

GENERATOR

0.1 F

HP8110A

PULSE

GENERATOR

0.01 F

100pF

TEK P6204

FET PROBE

TEK TDS784C

SCOPE

Figure 25. Hardware Conﬁguration for Output Response

Using Power-Down Mode

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