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2SC4957 数据表(PDF) 3 Page - NEC

部件名 2SC4957
功能描述  HIGH FREQUENCY LOW NOISE AMPLIFIER NPN SILICON EPITAXIAL TRANSISTOR 4 PINS MINI MOLD
PDF  6 Pages
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制造商  NEC [NEC]
网页  http://www.nec.com/
标志 NEC - NEC

2SC4957 数据表(HTML) 3 Page - NEC

  2SC4957 Datasheet HTML 1Page - NEC 2SC4957 Datasheet HTML 2Page - NEC 2SC4957 Datasheet HTML 3Page - NEC 2SC4957 Datasheet HTML 4Page - NEC 2SC4957 Datasheet HTML 5Page - NEC 2SC4957 Datasheet HTML 6Page - NEC  
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3
2SC4957
COLLECTOR CURRENT vs.
COLLECTOR TO EMITTER VOLTAGE
VCE – Collector to Emitter Voltage – V
DC CURRENT GAIN vs.
COLLECTOR CURRENT
IC – Collector Current – mA
GAIN BANDWIDTH PRODUCT
vs. COLLECTOR CURRENT
IC – Collector Current – mA
INSERTION POWER GAIN
vs. COLLECTOR CURRENT
IC – Collector Current – mA
f = 2 GHz
f = 2 GHz
1
60
0
1
500 A
400 A
300 A
200 A
IB = 100 A
50
40
30
20
10
2
3
4
5
6
12
0.1
200
100
0
0.2
0.5 1
2
5
10 20
50 100
5 V
VCE = 3 V
14
0.5
12
10
8
6
4
2
1
2
5
10
20
50
5 V
3 V
VCE = 1 V
5 V
3 V
VCE = 1 V
10
8
6
4
2
5
10
20
50
µ
µ
µ
µ
µ
NOISE FIGURE vs.
COLLECTOR CURRENT
IC – Collector Current – mA
FEED-BACK CAPACITANCE vs.
COLLECTOR TO BASE VOLTAGE
VCB – Collector to Base Voltage – V
0.1
0.5
4
0.5
3
2
1
0
1
2
5
10
20
50
0.2
0.3
0.4
0.5
1
2
5
10
20
f = 2 GHz
VCE = 3 V
f = 1 MHz



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