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參數(shù)資料
| 型號： | μPC2749T |
| 廠商： | NEC Corp. |
| 英文描述： | Buffer Amplifiers IC(帶緩沖的放大器集成電路) |
| 中文描述： | 緩沖放大器集成電路（帶緩沖的放大器集成電路） |
| 文件頁數(shù)： | 5/16頁 |
| 文件大小： | 267K |
| 代理商： | ΜPC2749T |
μ
PC2745T,
μ
PC2749T
5
TEST CIRCUIT
V
CC
1 000 pF
1 000 pF
C
1
C
3
50
IN
6
1
2, 3, 5
4
C
2
50
1 000 pF
OUT
EXAMPLE OF APPLICATION CIRCUIT
1 000 pF
1 000 pF
C
4
C
5
50
IN
6
1
2, 3, 5
4
C
2
50
1 000 pF
OUT
6
1
2, 3, 5
4
C
1
C
3
1 000 pF
V
CC
1 000 pF
The application circuit and their parameters are for references only and are not intended for use in
actual design-in’s
Capacitors for V
CC
, input and output pins
1 000 pF capacitors are recommendable as bypass capacitor for V
CC
pin and coupling capacitors for
input/output pins.
Bypass capacitor for V
CC
pin is intended to minimize V
CC
pin’ s ground impedance. Therefore, stable
bias can be supplied against V
CC
fluctuation.
Coupling capacitors for input/output pins are intended to minimize RF serial impedance and cut DC.
To get flat gain from 100 MHz up, 1 000 pF capacitors are assembled on the test circuit. [Actually,
1000 pF capacitors give flat gain at least 10 MHz. In the case of under 10 MHz operation, increase the
value of coupling capacitor such as 2 200 pF. Because the coupling capacitors are determined by the
equation
C = 1/(2
π
fZs).]
of
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