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| 型號(hào)： | μPC2747T |
| 廠商： | NEC Corp. |
| 英文描述： | Bias Silicon MMIC Amplifiers(單片微波集成電路) |
| 中文描述： | 偏置硅MMIC放大器（單片微波集成電路） |
| 文件頁(yè)數(shù)： | 5/20頁(yè) |
| 文件大小： | 331K |
| 代理商： | ΜPC2747T |
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5
μ
PC2746T, 2747T, 2748T
TEST CIRCUIT
V
CC
1 000 pF
OUT
1 000 pF
IN
1 000 pF
C
1
C
2
C
3
1
6
4
2, 3, 5
50
50
EXAMPLE OF APPLICATION CIRCUIT
OUT
1 000 pF
1 000 pF
C
2
C
5
C
4
C
1
C
3
C
6
1 000 pF
R
50 to 200
1 000 pF
1 000 pF
1 000 pF
IN
1
6
4
2, 3, 5
1
6
4
2, 3, 5
V
CC
50
50
To stabilize operation,
please connect R
1
, C
5
( )
Capacitors for Vcc, input and output pins
1000 pF capacitors are recommendable as bypass capacitor for Vcc pin and coupling capacitors for input/output
pins.
Bypass capacitor for Vcc pin is intended to minimize Vcc pin’s ground impedance. Therefore, stable bias can be
supplied against Vcc 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, 1 000 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 of C=1/(2 p fZs).]
The application circuits and their parameters are for references only and are not intended for use in actual design-in's.
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