CA3256 Datasheet, PDF (10/11 Pages) Harris Corporation – 25MHz, BiMOS Analog Video Switch and Amplifier

CA3256
7pF
1K
8
75Ω
9
A_V = 1.1
BW = 18MHz
V_OUT = 1V_P-P
V_OUT
75Ω
FIGURE 7A.
2pF
11K
8
A_V = 2
BW = 15MHz
V_OUT = 2V_P-P
9
470Ω
V_OUT
75Ω
NOTE: 470Ω added to increase source drive current.
FIGURE 7B.
2pF
1K
8
9
A_V = 1.1
BW = 40MHz (1.2X GAIN PEAK AT 25MHz)
V_OUT = 200mV_P-P
FIGURE 7C.
V_OUT
8
V_OUT2
9
V_OUT1
75Ω
75Ω
V_OUT1
A_V = 1.1
BW = 15MHz
V_OUT = 200mV_P-P
V_OUT2
A_V = 2
BW = 26MHz (UNITY GAIN)
V_OUT = 400mV_P-P
FIGURE 7D.
A_OL = 30
BW = 250kHz
8
NO FEEDBACK
V_OUT = 200mV_P-P
9
V_OUT
150Ω
7pF
30K
8
9
A_V = 3.6
BW = 6MHz
V_OUT = 200mV_P-P
V_OUT
FIGURE 7E.
6pF
1K
8
A_V = 1.1
BW = 28MHz
V_OUT = 2V_P-P
9
280Ω
75Ω
FIGURE 7F.
100K
OFFSET ADJ.
-
+ (SETS DC OUT LEVEL)
200K
8
10K
9
A_V = 1.1
BW = 28MHz
V_OUT = 2V_P-P
R_S
ADJ.
V_DC = 5V
150Ω
NOTE: Add R_S to reduce high-frequency slewing.
FIGURE 7G.
FIGURE 7H.
FIGURE 7. OTHER TABULATED RESULTS FOR VARIATIONS OF LOAD AND FEEDBACK (V+ = +12V)
8-10