AD815
R
562⍀
F
10F
0.1F
10F
0.1F
+15V
+15V
0.1F
R
S
8
1/2 AD815
7
8
1/2 AD815
100⍀
50⍀
100⍀
0.1F
10F
R
= 100⍀
V
IN
R
= 100⍀
V
L
L
IN
7
PULSE
GENERATOR
PULSE
GENERATOR
50⍀
10F
–15V
–15V
T
/T = 250ps
F
T
/T = 250ps
F
R
R
Figure 35. Test Circuit, Gain = 1 + RF /RS
Figure 31. Test Circuit, Gain = +1
SIDE A
G = +1
G = +5
R
R
R
= 562⍀
= 100⍀
= 140⍀
R
R
= 698⍀
= 100⍀
F
L
S
F
L
SIDE A
SIDE B
SIDE B
5V
100mV
100ns
20ns
Figure 36. 20 V Step Response, G = +5
Figure 32. 500 mV Step Response, G = +1
G = +1
562⍀
R
R
= 562⍀
= 100⍀
F
L
SIDE A
SIDE B
10F
+15V
0.1F
562⍀
8
V
IN
PULSE
GENERATOR
1/2 AD815
55⍀
100⍀
0.1F
R
= 100⍀
L
7
T
/T = 250ps
F
R
10F
–15V
1V
20ns
Figure 33. 4 V Step Response, G = +1
Figure 37. Test Circuit, Gain = –1
SIDE A
G = –1
SIDE A
G = +1
R
R
= 562⍀
= 100⍀
R
R
= 562⍀
= 100⍀
F
L
F
L
SIDE B
SIDE B
100mV
2V
20ns
50ns
Figure 34. 10 V Step Response, G = +1
Figure 38. 500 mV Step Response, G = –1
REV. B
–9–
ADI [ ADI ]
