ADL5500
HPE3631A
POWER SUPPLY
HP8110A
PULSE
GENERATOR
50惟
AD811
732惟
ADL5500
TEK P6204
FET PROBE
1
C4
2
COMM
RFIN
3
VRMS
VPOS
4
C2
100pF
C1
0.1渭F
ADL5500
TEK P6204
FET PROBE
1
C4
2
COMM
RFIN
3
VRMS
VPOS
4
C2
100pF
C1
0.1渭F
TEK TDS784C
SCOPE
Figure 28. Hardware Configuration for Output
Response to Modulated Pulse Input
900MHz
PULSED RFIN
Figure 31. Hardware Configuration for Output Response to
Power Supply Gating Measurements
VPOS
400mV rms
RF INPUT
250mV rms
160mV rms
VRMS
500mV PER
VERTICAL
DIVISION
05546-029
400mV rms
RF INPUT
250mV rms
160mV rms
VRMS
500mV PER
VERTICAL
DIVISION
70mV rms
70mV rms
Figure 29. Output Response to Modulated Pulse Input for Various RF Input
Levels, Supply 3 V, Modulation Frequency 900 MHz, No Filter Capacitor
900MHz
PULSED RFIN
Figure 32. Output Response to Gating on Power Supply for Various RF Input
Levels, Supply 3 V, Modulation Frequency 900 MHz, 0.01 渭F Filter Capacitor
400mV rms
RF INPUT
250mV rms
160mV rms
VRMS
500mV PER
VERTICAL
DIVISION
70mV rms
Figure 30. Output Response to Modulated Pulse Input for Various RF Input
Levels, Supply 3 V, Modulation Frequency 900 MHz, 0.01 渭F Filter Capacitor
05546-030
400渭s PER
HORIZONTAL
DIVISION
Rev. A | Page 13 of 24
05546-032
400渭s PER
HORIZONTAL
DIVISION
200渭s PER
HORIZONTAL
DIVISION
05546-031
TEK TDS784C
SCOPE
05546-028
HP8648B
SIGNAL
GENERATOR
HP8648B
SIGNAL
GENERATOR