AD818
DIFF GAIN
0.02
0.01
0.06
0.00
0.05
DIFF PHASE
0.04
0.03
5
10
15
SUPPLY VOLTAGE (؎V)
TPC 19. Differential Gain and Phase vs. Supply Voltage
CF
1k⍀
+VS
3.3F
HP
PULSE (LS)
VIN 1k⍀
OR FUNCTION
(SS)
GENERATOR
50⍀
0.01F
AD818
VOUT
TEKTRONIX
P6201 FET
PROBE
TEKTRONIX
7A24
PREAMP
0.01F
RL
3.3F
–VS
TPC 22. Inverting Amplifier Connection
0.1dB
10 VS CC FLATNESS
9 ؎15V 2pF 55MHz
؎5V 1pF 43MHz
8 +5V 1pF 18MHz
7
CC
1k⍀
VIN
1k⍀
AD818
VOUT
150⍀
6
5
؎5V
؎15V
4
3
+5V
2
1
1M
10M
100M
1G
FREQUENCY (Hz)
TPC 20. Closed-Loop Gain vs. Frequency (G = +2)
10
8 VS
0.1dB
FLATNESS
6
؎15V 72MHz
؎5V 34MHz
4 +5V 19MHz
2
2pF
1k⍀
VIN
1k⍀
AD818
VOUT
150⍀
0
–2
+5V
؎15V
–4
–6
؎5V
–8
–10
1M
10M
100M
1G
FREQUENCY (Hz)
TPC 21. Closed-Loop Gain vs. Frequency (G = –1)
2V
50ns
100
90
10
0%
2V
TPC 23. Inverter Large Signal Pulse Response;
VS = ±5 V, CF = 1 pF, RL = 1 kW
200mV
100
90
10ns
10
0%
200mV
TPC 24. Inverter Small Signal Pulse Response;
VS = ±5 V, CF = 1 pF, RL = 150 W
–8–
REV. C