2SC4874 [ETC]
;型号: | 2SC4874 |
厂家: | ETC |
描述: | 晶体 晶体管 放大器 |
文件: | 总6页 (文件大小:40K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
2SC4874
Silicon NPN Bipolar Transistor
Application
TO-92
VHF & UHF wide band amplifire
Features
• High gain bandwidth product
f = 5.8 GHz typ
T
• High gain, low noise figure
PG = 10.0 dB typ,
NF = 1.8 dB typ at f = 900 MHz
1. Base
2. Emitter
3. Collector
3
2
1
Table 1 Absolute Maximum Ratings (Ta = 25°C)
Item
Symbol
Ratings
Unit
———————————————————————————————————————————
Collector to base voltage
V
20
V
CBO
———————————————————————————————————————————
Collector to emitter voltage
V
12
V
CEO
———————————————————————————————————————————
Emitter to base voltage
V
2
V
EBO
———————————————————————————————————————————
Collector current
I
50
mA
C
———————————————————————————————————————————
Collector power dissipation
P
600
mW
C
———————————————————————————————————————————
Junction temperature
T
150
°C
j
———————————————————————————————————————————
Storage temperature
Tstg
–55 to +150
°C
———————————————————————————————————————————
2SC4874
Table 2 Electrical Characteristics (Ta = 25°C)
Item
Symbol
Min
Typ
Max
Unit
Test condition
———————————————————————————————————————————
Collector to base
V
20
—
—
V
I = 10 µA, I = 0
(BR)CBO
C E
breakdown voltage
———————————————————————————————————————————
Collector cutoff current
I
—
—
1
µA
V
= 15 V,
CBO
CB
I = 0
E
———————————————————————————————
I
—
—
1
mA
V
= 12 V,
CEO
CE
R
= ∞
BE
———————————————————————————————————————————
Emitter cutoff current
I
—
—
10
µA
V
= 2 V,
EBO
EB
I
= 0
C
———————————————————————————————————————————
DC current transfer ratio
h
50
120
250
V
= 5 V,
FE
CE
I
= 20 mA
C
———————————————————————————————————————————
Output capacitance
Cob
—
1.3
1.8
pF
V
= 5 V,
CB
I = 0, f = 1 MHz
E
———————————————————————————————————————————
Gain bandwidth
f
4.0
5.8
—
GHz
V
= 5 V,
T
CE
product
I
= 20 mA
C
———————————————————————————————————————————
Power gain
PG
7.5
10.0
—
dB
V
= 5 V,
CE
I
= 20 mA,
C
f = 900 MHz
———————————————————————————————————————————
Noise figure
NF
—
1.8
3.0
dB
V
= 5 V,
CE
I
= 5 mA,
C
f = 900 MHz
———————————————————————————————————————————
2SC4874
DC current transfer ratio
vs. collector current
Maximum collector power dissipation curve
800
200
160
120
80
V
= 5V
CE
600
400
200
40
0
0.1 0.2 0.5
1
2
5
10 20 50
0
50
100
150
200
Ambient Temperature Ta (°C)
Collector Current I (mA)
C
Collector output capacitance
vs. collector to base voltage
Gain bandwidth product vs. collector current
10
2.0
1.8
1.6
1.4
I
= 0
E
V
= 5 V
CE
f = 1 MHz
8
6
4
2
0
1.2
1.0
1
2
5
10
20
50
0.5
1
2
5
10
20
Collector Current I (mA)
Collector to Base Voltage V
(V)
CB
C
2SC4874
Power gain vs. collector curent
Noise figure vs. collector current
12
10
8
5
4
3
2
V
= 5V
CE
f = 900MHz
6
4
1
0
2
0
V
= 5V
CE
f = 900 MHz
1
2
5
10
20 50
1
2
5
10
20
50
Collector Current I (mA)
Collector Current I (mA)
C
C
S21 parameter vs. collector current
12
10
8
V
= 5V
CE
f = 1 GHz
6
4
2
0
1
2
5
10
20
(mA)
50
Collector Current
I
C
2SC4874
S11 parameter vs. frequency
S21 parameter vs. frequency
Scale: 5 / div.
1
.8
90°
1.5
.6
120°
60°
2
.4
3
4
5
150°
30°
.2
10
.2
.4 .6
1
1.52
10
3
5
4
0
0°
180°
–10
–5
–.2
–4
–30°
–150°
–3
–.4
–2
–.6
–60°
–1.5
–120°
–.8 –1
–90°
Ω
Condition: V = 5 V , Zo = 50
CE
Ω
Condition: V = 5 V , Zo = 50
CE
100 to 1000 MHz (100 MHz step)
(I = 5 mA)
100 to 1000 MHz (100 MHz step)
(I = 5 mA)
C
C
(I = 20 mA)
C
(I = 20 mA)
C
S12 parameter vs. frequency
S22 parameter vs. frequency
Scale: 0.04 / div.
1
.8
90°
1.5
.6
120°
60°
2
.4
3
4
150°
30°
.2
5
10
.4
.8
1.5
10
.2
.6
1
2
3
4
5
0
0°
180°
–10
–5
–.2
–4
–3
–30°
–150°
–.4
–2
–.6
–120°
–60°
–1.5
–.8
–1
–90°
Ω
Condition: V = 5 V , Zo = 50
CE
Ω
Condition: V = 5 V , Zo = 50
CE
100 to 1000 MHz (100 MHz step)
100 to 1000 MHz (100 MHz step)
(IC = 5 mA)
(I = 5 mA)
C
(I = 20 mA)
C
C
(I = 20 mA)
2SC4874
Table 3 S Parameter (V = 5 V, I = 5 mA, Z = 50 Ω, Emitter common)
CE
C
O
S11
S21
S12
S22
———————
———————
———————
———————
f (MHz)
MAG
ANG
MAG
ANG
MAG
ANG
MAG
ANG
———————————————————————————————————————————
100
0.784
–39.6
12.03
149.8
0.0396
71.3
0.890
–21.4
———————————————————————————————————————————
200
0.614
–69.7
9.23
127.0
0.0651
59.5
0.718
–35.3
———————————————————————————————————————————
300
0.474
–94.3
7.06
111.6
0.0810
55.0
0.587
–42.3
———————————————————————————————————————————
400
0.378
–116.3
5.66
100.6
0.0926
53.3
0.499
–45.3
———————————————————————————————————————————
500
0.330
–138.0
4.68
91.9
0.104
53.5
0.435
–48.1
———————————————————————————————————————————
600
0.322
–155.5
4.03
85.2
0.116
53.5
0.387
–52.5
———————————————————————————————————————————
700
0.320
–169.9
3.52
78.9
0.127
53.8
0.360
–58.2
———————————————————————————————————————————
800
0.325
–179.7
3.13
73.8
0.140
54.1
0.353
–63.5
———————————————————————————————————————————
900
0.321
168.8
2.81
68.5
0.152
54.4
0.353
–67.3
———————————————————————————————————————————
1000
0.326
161.1
2.58
63.8
0.165
54.6
0.348
–69.9
———————————————————————————————————————————
Table 4 S Parameter (V = 5 V, I = 20 mA, Z = 50 Ω, Emitter common)
CE
C
O
S11
S21
S12
S22
———————
———————
———————
———————
f (MHz)
MAG
ANG
MAG
ANG
MAG
ANG
MAG
ANG
———————————————————————————————————————————
100
0.477
–68.2
21.97
130.0
0.0297
66.5
0.686
–35.2
———————————————————————————————————————————
200
0.318
–105.4
13.32
108.8
0.0469
65.3
0.468
–44.2
———————————————————————————————————————————
300
0.240
–133.3
9.19
97.1
0.0633
66.9
0.372
–44.8
———————————————————————————————————————————
400
0.215
–157.6
7.05
89.5
0.0797
67.6
0.318
–44.4
———————————————————————————————————————————
500
0.224
–177.3
5.68
83.8
0.0968
67.5
0.276
–45.4
———————————————————————————————————————————
600
0.242
170.0
4.81
78.6
0.113
67.2
0.246
–49.5
———————————————————————————————————————————
700
0.263
161.0
4.15
74.0
0.130
66.2
0.230
–56.8
———————————————————————————————————————————
800
0.270
154.9
3.66
69.7
0.146
65.1
0.231
–63.8
———————————————————————————————————————————
900
0.273
147.6
3.27
65.5
0.163
64.1
0.238
–68.4
———————————————————————————————————————————
1000
0.291
141.7
2.99
61.8
0.180
62.8
0.237
–71.5
———————————————————————————————————————————
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