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CA3256 查看數據表(PDF) - Intersil

零件编号
产品描述 (功能)
比赛名单
CA3256 Datasheet PDF : 11 Pages
1 2 3 4 5 6 7 8 9 10
CA3256
VIN = 200mVP-P, AT LOW FREQUENCY 0dB REF. EQUAL
1.13 x GAIN, TA = 25oC
0
-2
-4
-6
-8
8
1k
7pF
C COMP
RF
1k
VIN
TG
+
9
OUTPUT
AMPLIFIER
220µF
VOUT
75
-10
0.01
0.1
1
10
100
FREQUENCY (MHz)
FIGURE 4A. CLOSED LOOP RESPONSE WITH
COMPENSATION CAPACITOR, CCOMP , AND RF,
SEE FIGURE 4B
FIGURE 4B. TEST CIRCUIT FOR FIGURE 4A
31
VOUT = 200mVP-P, TA = 25oC
29
27
8
NO FEEDBACK
25
VOUT
9
+
23
V IN
220µF
150
OUTPUT
TG
AMPLIFIER
21
19
0.01
0.1
1
10
100
FREQUENCY (MHz)
FIGURE 4C. OPEN LOOP RESPONSE WITH NO FEEDBACK,
SEE FIGURE 4D
FIGURE 4D. TEST CIRCUIT FOR FIGURE 4C
FIGURE 4. FREQUENCY RESPONSE OF AC COUPLED CIRCUIT OF FIGURE 3
8-8

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