ca3256 Intersil Corporation, ca3256 Datasheet - Page 8

• Manufacturer Part Number: ca3256
• Description: 25mhz, Bimos Analog Video Switch Amplifier
• Manufacturer: Intersil Corporation

FIGURE 4A. CLOSED LOOP RESPONSE WITH
FIGURE 4C. OPEN LOOP RESPONSE WITH NO FEEDBACK,
-10
-2
-4
-6
-8
31
29
27
25
23
21
19
0
0.01
0.01
V
1.13 x GAIN, T
IN
= 200mV
COMPENSATION CAPACITOR, C
SEE FIGURE 4B
SEE FIGURE 4D
P-P
0.1
0.1
A
, AT LOW FREQUENCY 0dB REF. EQUAL
= 25
o
FREQUENCY (MHz)
FREQUENCY (MHz)
C
FIGURE 4. FREQUENCY RESPONSE OF AC COUPLED CIRCUIT OF FIGURE 3
V
OUT
1
1
=
200mV
P-P
COMP
, T
10
10
A
=
, AND R
25
o
C
CA3256
100
F
100
,
8-8
V IN
V IN
TG
TG
FIGURE 4B. TEST CIRCUIT FOR FIGURE 4A
FIGURE 4D. TEST CIRCUIT FOR FIGURE 4C
1k
8
AMPLIFIER
8
OUTPUT
+
AMPLIFIER
OUTPUT
+
C COMP
7pF
1k
R
F
9
NO FEEDBACK
9
220 F
220 F
150
75
V
V
OUT
OUT