AD526
Figure 28. Gain Change Settling
Time,* Gain Change 1 to 8
Figure 29. Gain Change Settling
Time,* Gain Change 1 to 16
+15V –15V
10F
+
10F
+
AD526
G = 16
+15V –15V
10F
+
10F
+
OP37
TEKTRONIX
7000 SERIES
SCOPE
7A13
PREAMP
5MHz BW
10F
G = 10
900⍀
100⍀
Vo = 160 ؋ e p-p
+5V
SHIELD
NOTE: COAX CABLE 1 FT. OR LESS
Figure 30. Wideband Noise Test Circuit
DATA
DYNAMICS
5109
(OR EQUIVALENT
FLAT-TOP PULSE
GENERATOR)
+15V –15V
10F
+
10F
+
5k⍀
AD526
+15V –15V
10F
+
10F
+
G
RIN
1 5.6k⍀
2 2.8k⍀
4 1.4k⍀
8 715⍀
16 348⍀
RIN
50⍀
1pF
5.6k⍀
2k⍀
POT.
VERROR
+
AD711
–
–
5pF
AD3554
+
5k⍀
IN6263
1pF
–
AD3554
+
10F
10F
–15V +15V
10F
10F
+
–15V +15V
Figure 31. Settling Time Test Circuit
VERROR ؋ 5
5k⍀
TEKTRONIX
7000 SERIES
SCOPE
7A13
PREAMP
5MHz BW
5k⍀
1.25k⍀
IN6263
TSET = TMEAS2 – TX2
G TX
1 1.2s
2 1.2s
4 1.2s
8 1.4s
16 1.8s
*Scope Traces are:
Top: Output Transition
Middle: Output Settling
Bottom: Digital Input
REV. D
–7–