Datasheet

7
®
OPA633
LARGE SIGNAL RESPONSE
10V STEP — R
L
= 1kΩ
10ns/div
10V STEP — R
L
= 100kΩ
10ns/div
SMALL SIGNAL RESPONSE
0.5V STEP — R
L
= 1kΩ
FIGURE 2. Dynamic Response Test Circuit.
OPA633
R
10

R
L
C
1
0.1µF
C
4
0.1µF
+15V
–15V
V
OUT
R
5

50Ω
50Ω
Pulse
Generator
V
IN
Termination
10V
V
IN
0
10V
V
OUT
0
10V
V
IN
0
10V
V
OUT
0
0.5V
V
IN
0
0.5V
V
OUT
0
FIGURE 1. Coaxial Cable Driver Circuit.
NEGATIVE PULSE RESPONSE
0
V
IN
–100mV
0
V
OUT
–50mV
POSITIVE PULSE RESPONSE
100mV
V
IN
0
50mV
V
OUT
0
OPA633
R
10

50Ω
RG-58
Coaxial Cable
R
2

50Ω
C
1
0.1µF
C
4
0.1µF
R
1

180Ω
+12V
–12V
V
IN