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参数资料
| 型号： | HFA1212 |
| 厂商： | Intersil Corporation |
| 英文描述： | Dual 350MHz, Low Power Closed Loop Buffer Amplifier(350MHz、低功耗、输出限定锁相环缓冲器放大器) |
| 中文描述： | 双350MHz的低功耗闭环缓冲放大器（350MHz频段，低功耗，输出限定锁相环缓冲器放大器） |
| 文件页数： | 6/10页 |
| 文件大小： | 90K |
| 代理商： | HFA1212 |
6
Evaluation Board
The performance of the HFA1212 may be evaluated using
the HA5023 Evaluation Board, slightly modified as follows:
1. Remove the two feedback resistors, and leave the con-
nections open.
2. a. For A
V
= +1 evaluation, remove the gain setting
resistors (R
1
), and leave pins 2 and 6 floating.
b. For A
V
= +2, replace the gain setting resistors (R
1
) with
0
resistors to GND.
3. Replace the 0
series output resistors with 50
.
The modified schematic for amplifier 1, and the board layout
are shown in Figures 2 and 3.
To order evaluation boards (part number HA5023EVAL),
please contact your local sales office.
5V
10
μ
F
0.1
μ
F
50
GND
GND
R
1
+
5V
0.1
μ
F
10
μ
F
50
IN
OUT
∞
(A
V
= +
1)
or 0
(A
V
= +
2)
NOTE: R
1
=
FIGURE 2. MODIFIED EVALUATION BOARD SCHEMATIC
+
(NOTE)
1
2
3
4
8
7
6
5
FIGURE 3A. TOP LAYOUT
FIGURE 3B. BOTTOM LAYOUT
FIGURE 3. EVALUATION BOARD LAYOUT
Typical Performance Curves
V
SUPPLY
=
±
5V, T
A
= 25
o
C, R
L
= 100
,
Unless Otherwise Specified
FIGURE 4. SMALL SIGNAL PULSE RESPONSE
FIGURE 5. LARGE SIGNAL POSITIVE PULSE RESPONSE
TIME (5ns/DIV.)
O
200
150
100
50
0
-50
-100
-150
-200
A
V
=
+
2
TIME (5ns/DIV.)
O
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
A
V
=
+
2
HFA1212
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相关代理商/技术参数 |
参数描述 |
|---|---|
| HFA1212/883 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Dual, High Speed, Low Power, Video Closed Loop Buffer |
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| HFA1212883 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Dual, High Speed, Low Power, Video Closed Loop Buffer |
| HFA1212IB | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Dual 350MHz, Low Power Closed Loop Buffer Amplifier |
| HFA1212IP | 制造商:Rochester Electronics LLC 功能描述:BUFFER 2X 350MHZ PROG GAIN 8PDIP IND - Bulk |
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