AD8361
GATE PULSE FOR
900MHz RF TONE
370mV
500mV PER
VERTICAL
DIVISION
500mV PER
VERTICAL
DIVISION
PWDN INPUT
370mV
270mV
RF INPUT
270mV
RF INPUT
67mV
67mV
25mV
5 s PER HORIZONTAL DIVISION
25mV
2 s PER HORIZONTAL DIVISION
Figure 20. Output Response to Modulated Pulse Input
for Various RF Input Levels, Supply 3 V, Modulation
Frequency 900 MHz, No Filter Capacitor
Figure 23. Output Response Using Power-Down Mode
for Various RF Input Levels, Supply 3 V, Frequency
900 MHz, No Filter Capacitor
GATE PULSE FOR
900MHz RF TONE
370mV
500mV PER
VERTICAL
DIVISION
PWDN INPUT
370mV
270mV
RF INPUT
500mV PER
VERTICAL
DIVISION
270mV
RF INPUT
67mV
67mV
25mV
50 s PER HORIZONTAL DIVISION
25mV
20 s PER HORIZONTAL DIVISION
Figure 21. Output Response to Modulated Pulse Input
for Various RF Input Levels, Supply 3 V, Modulation
Frequency 900 MHz, 0.01
µ
F Filter Capacitor
Figure 24. Output Response Using Power-Down Mode
for Various RF Input Levels, Supply 3 V, Frequency
900 MHz, 0.01
µ
F Filter Capacitor
HPE3631A
POWER SUPPLY
TEK TDS784C
SCOPE
HPE3631A
POWER SUPPLY
TEK TDS784C
SCOPE
C4
0.01 F
C2
100pF
AD8361
VPOS
IREF
C1
RFIN
FLTR
COMM
SREF
VRMS
C3
TEK P6204
FET PROBE
C5
100pF
C4
0.01 F
C2
100pF
AD8361
VPOS
IREF
C1
RFIN
FLTR
COMM
SREF
VRMS
C3
TEK P6204
FET PROBE
C5
100pF
R1
75
0.1 F
PWDN
R1
75
0.1 F
PWDN
HP8648B
SIGNAL
GENERATOR
HP8648B
SIGNAL
GENERATOR
HP8110A
PULSE
GENERATOR
Figure 22. Hardware Configuration for Output Response
to Modulated Pulse Input
Figure 25. Hardware Configuration for Output Response
Using Power-Down Mode
REV. A
–7–
AD [ ANALOG DEVICES ]
