2SC4875 [ETC]
;型号: | 2SC4875 |
厂家: | ETC |
描述: |
|
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 |
2SC4875
Silicon NPN Bipolar Transistor
Application
TO-92
VHF & UHF wide band amplifire
Features
• High gain bandwidth product
f = 8.5 GHz typ
T
• High gain, low noise figure
PG = 11.5 dB typ,
1. Base
NF = 1.3 dB typ at f = 900 MHz
2. Emitter
3. Collector
3
2
1
Table 1 Absolute Maximum Ratings (Ta = 25°C)
Item
Symbol
Ratings
Unit
———————————————————————————————————————————
Collector to base voltage
V
15
V
CBO
———————————————————————————————————————————
Collector to emitter voltage
V
9
V
CEO
———————————————————————————————————————————
Emitter to base voltage
V
1.5
V
EBO
———————————————————————————————————————————
Collector current
I
50
mA
C
———————————————————————————————————————————
Collector power dissipation
P
450
mW
C
———————————————————————————————————————————
Junction temperature
T
150
°C
j
———————————————————————————————————————————
Storage temperature
Tstg
–55 to +150
°C
———————————————————————————————————————————
2SC4875
Table 2 Electrical Characteristics (Ta = 25°C)
Item
Symbol
Min
Typ
Max
Unit
Test conditions
———————————————————————————————————————————
Collector to base
V
15
—
—
V
I = 10 µA, I = 0
(BR)CBO
C E
breakdown voltage
———————————————————————————————————————————
Collector cutoff current
I
—
—
10
µA
V
= 12 V,
CBO
CB
I = 0
E
———————————————————————————————
I
—
—
1
mA
V
= 9 V,
CEO
CE
R
= ∞
BE
———————————————————————————————————————————
Emitter cutoff current
I
—
—
10
µA
V
= 1.5 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
—
1.2
1.7
pF
V
= 5 V,
CB
I = 0, f = 1 MHz
E
———————————————————————————————————————————
Gain bandwidth
f
5.5
8.5
—
GHz
V
= 5 V,
T
CE
product
I
= 20 mA
C
———————————————————————————————————————————
Power gain
PG
8.5
11.5
—
dB
V
= 5 V,
CE
I
= 20 mA,
C
f = 900 MHz
———————————————————————————————————————————
Noise figure
NF
—
1.3
2.5
dB
V
= 5 V,
CE
I
= 5 mA,
C
f = 900 MHz
———————————————————————————————————————————
2SC4875
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
150
Ambient Temperature Ta (°C)
0.1 0.2 0.5
1
2
5
10 20 50
0
50
100
200
Collector Current I (mA)
C
Collector output capacitance
vs. collector to base voltage
Gain bandwidth product vs. collector current
12
1.8
1.6
1.4
1.2
I
= 0
E
V
= 5 V
CE
f = 1 MHz
10
8
6
4
1.0
0.8
2
0
1
2
5
10
20
50
0.5
1
2
5
10
20
Collector to Base Voltage V
(V)
Collector Current I (mA)
CB
C
2SC4875
Power gain vs. collector current
Noise figure vs. collector current
20
16
12
8
5
4
3
2
V
= 5V
V
= 5V
CE
CE
f = 900MHz
f = 900 MHz
4
0
1
0
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
20
16
12
8
V
= 5V
CE
f = 1 GHz
4
0
1
2
5
10
20
(mA)
50
Collector Current
I
C
2SC4875
S11 parameter vs. frequency
S21 parameter vs. frequency
Scale: 4 / 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
–4
–3
–.2
–30°
–150°
–.4
–2
–.6
–1.5
–60°
–120°
–.8
–1
–90°
Ω
Condition: V = 5 V , Zo = 50
Ω
CE
Condition: V = 5 V , Zo = 50
CE
200 to 2000 MHz (200 MHz step)
(I = 5 mA)
200 to 2000 MHz (200 MHz step)
(I = 5 mA)
C
C
(I = 20 mA)
C
(I = 20 mA)
C
S12 parameter vs. frequency
S22 parameter vs. frequency
Scale: 0.1 / div.
1
.8
90°
1.5
.6
120°
60°
2
.4
3
150°
30°
4
.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
–120°
–60°
–.6
–1.5
–.8
–1
–90°
Ω
Ω
Condition: V = 5 V , Zo = 50
CE
Condition: V = 5 V , Zo = 50
CE
200 to 2000 MHz (200 MHz step)
(I = 5 mA)
200 to 2000 MHz (200 MHz step)
(I = 5 mA)
C
C
(I = 10 mA)
C
(I = 20 mA)
C
2SC4875
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
———————————————————————————————————————————
200
0.594
–74.3
10.08
126.4
0.0692
57.8
0.697
–42.8
———————————————————————————————————————————
400
0.397
–120.6
6.39
101.7
0.0970
51.2
0.462
–58.2
———————————————————————————————————————————
600
0.347
–156.9
4.57
86.7
0.119
50.2
0.348
–69.9
———————————————————————————————————————————
800
0.351
179.2
3.56
75.5
0.141
50.3
0.310
–80.8
———————————————————————————————————————————
1000
0.358
159.6
2.92
66.0
0.165
50.1
0.291
–89.8
———————————————————————————————————————————
1200
0.400
146.2
2.47
57.7
0.188
48.8
0.289
–101.7
———————————————————————————————————————————
1400
0.405
139.4
2.15
49.1
0.211
46.9
0.323
–110.5
———————————————————————————————————————————
1600
0.377
129.4
1.92
41.7
0.236
45.1
0.342
–112.2
———————————————————————————————————————————
1800
0.380
115.1
1.75
35.5
0.262
43.5
0.326
–115.8
———————————————————————————————————————————
2000
0.380
104.6
1.58
29.0
0.285
40.9
0.324
–123.2
———————————————————————————————————————————
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
———————————————————————————————————————————
200
0.282
–121.9
14.86
106.5
0.0471
65.9
0.404
–59.9
———————————————————————————————————————————
400
0.239
–169.9
8.09
89.6
0.0793
67.5
0.238
–68.4
———————————————————————————————————————————
600
0.274
164.3
5.52
79.4
0.112
66.7
0.180
–82.8
———————————————————————————————————————————
800
0.302
150.3
4.21
71.0
0.145
64.1
0.178
–97.4
———————————————————————————————————————————
1000
0.317
138.5
3.42
63.6
0.178
60.9
0.179
–108.3
———————————————————————————————————————————
1200
0.362
129.9
2.88
56.7
0.208
57.3
0.198
–123.1
———————————————————————————————————————————
1400
0.367
127.2
2.49
49.6
0.234
53.2
0.245
–129.9
———————————————————————————————————————————
1600
0.331
118.9
2.21
43.1
0.265
49.4
0.261
–129.2
———————————————————————————————————————————
1800
0.336
106.6
2.00
37.5
0.294
45.9
0.245
–133.3
———————————————————————————————————————————
2000
0.340
97.0
1.82
31.7
0.320
41.9
0.244
–141.3
———————————————————————————————————————————
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