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CA3256M 参数 Datasheet PDF下载

CA3256M图片预览
型号: CA3256M
PDF下载: 下载PDF文件 查看货源
内容描述: 为25MHz ,采用BiMOS模拟视频开关和放大器 [25MHz, BiMOS Analog Video Switch and Amplifier]
分类和应用: 开关放大器光电二极管
文件页数/大小: 11 页 / 393 K
品牌: HARRIS [ HARRIS CORPORATION ]
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CA3256
V
IN
= 200mV
P-P
, AT LOW FREQUENCY 0dB REF. EQUAL
1.13 x GAIN, T
A
= 25
o
C
0
7pF
C COMP
-2
1kΩ
GAIN (dB)
-4
8
R
F
1kΩ
V
OUT
+
9
220µF
TG
OUTPUT
AMPLIFIER
75Ω
-6
VIN
-8
-10
0.01
0.1
1
FREQUENCY (MHz)
10
100
FIGURE 4A. CLOSED LOOP RESPONSE WITH
COMPENSATION CAPACITOR, C
COMP
, AND R
F
,
SEE FIGURE 4B
FIGURE 4B. TEST CIRCUIT FOR FIGURE 4A
31
V
OUT
=
200mV
P-P
, T
A
=
25
o
C
29
8
27
GAIN (dB)
NO FEEDBACK
25
9
23
V IN
TG
21
+
OUTPUT
AMPLIFIER
220µF
V
OUT
150Ω
19
0.01
0.1
1
FREQUENCY (MHz)
10
100
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