CA3256
2pF
11K
A = 2
V
BW = 15MHz
7pF
A
= 1.1
V
BW = 18MHz
= 1V
V
= 2V
OUT
P-P
V
OUT
P-P
1K
8
9
8
9
75Ω
V
OUT
V
OUT
470Ω
75Ω
75Ω
NOTE: 470Ω added to increase source drive current.
FIGURE 7A.
FIGURE 7B.
2pF
1K
8
8
9
V
OUT2
V
9
OUT1
V
OUT
75Ω
75Ω
A
= 1.1
V
BW = 40MHz (1.2X GAIN PEAK AT 25MHz)
V
= 200mV
P-P
OUT
V
V
OUT1
OUT2
A
= 1.1
A
= 2
V
V
BW = 26MHz (UNITY GAIN)
V = 400mV
OUT
BW = 15MHz
V
= 200mV
OUT
P-P
P-P
FIGURE 7C.
FIGURE 7D.
A
= 30
OL
BW = 250kHz
= 200mV
7pF
30K
A
= 3.6
V
BW = 6MHz
= 200mV
NO FEEDBACK
8
9
V
OUT
P-P
V
OUT
P-P
8
9
V
OUT
V
150Ω
OUT
FIGURE 7E.
FIGURE 7F.
100K
OFFSET ADJ.
(SETS DC OUT LEVEL)
-
+
6pF
1K
A
= 1.1
V
BW = 28MHz
= 2V
200K
A
= 1.1
V
V
OUT
P-P
BW = 28MHz
8
9
8
9
V
= 2V
OUT
P-P
10K
R
ADJ.
= 5V
S
280Ω
75Ω
150Ω
V
DC
NOTE: Add R to reduce high-frequency slewing.
S
FIGURE 7G.
FIGURE 7H.
FIGURE 7. OTHER TABULATED RESULTS FOR VARIATIONS OF LOAD AND FEEDBACK (V+ = +12V)
8-10
HARRIS [ HARRIS CORPORATION ]
