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BFP420 Datasheet(PDF) 3 Page - Siemens Semiconductor Group

Part No. BFP420
Description  NPN Silicon RF Transistor (For high gain low noise amplifiers For oscillators up to 10 GHz)
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Maker  SIEMENS [Siemens Semiconductor Group]
Homepage  http://www.siemens.com/
Logo SIEMENS - Siemens Semiconductor Group

BFP420 Datasheet(HTML) 3 Page - Siemens Semiconductor Group

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BFP 420
Semiconductor Group
Jul-14-1998
3
Common Emitter S-Parameters
f
S11
S21
S12
S22
GHz
MAG
ANG
MAG
ANG
MAG
ANG
MAG
ANG
VCE = 2V, IC = 20mA
0.01
0.1
0.5
1
2
3
4
6
8
9
10
0.543
0.538
0.448
0.417
0.437
0.472
0.53
0.617
0.73
0.788
0.82
-2.5
-25.1
-99.3
-143.6
176.2
152.8
133.3
109.1
82.5
72.6
67
36.88
35.4
22.87
13.46
6.93
4.59
3.339
2.15
1.46
1.2
1
178.1
164.4
120.8
96.3
71.5
54.4
38.9
12.9
-16.8
-30.4
-39.5
0.0009
0.0075
0.0272
0.0398
0.062
0.09
0.115
0.156
0.172
0.174
0.172
95.8
79.3
58.7
55.2
53.5
48.6
40.5
25.3
5.4
-5
-11.3
0.96
0.946
0.633
0.399
0.227
0.134
0.109
0.136
0.229
0.319
0.405
-0.6
-12.3
-45.2
-60.3
-77.1
-96.7
-144.5
144.1
101.3
86.1
78.6
Common Emitter Noise Parameters
f
Fmin 1)
Ga 1)
Γ
opt
RN
rn
F50Ω 2)
|
S21|2 2)
GHz
dB
dB
MAG
ANG
-
dB
dB
VCE = 2V, IC = 5mA
0.9
1.8
2.4
3
4
5
6
0.9
1.05
1.25
1.38
1.55
1.75
2.2
20.5
15.2
13
12.1
10.3
8.6
6.4
0.19
0.11
0.11
0.19
0.28
0.37
0.44
30
64
116
165
-155
-130
-117
8.7
7.5
7
6.5
7
10
15
0.17
0.15
0.14
0.13
0.14
0.2
0.3
1.02
1.11
1.32
1.48
1.83
2.2
3.3
20.3
15.8
13.5
11.6
9.1
7
5.3
1) Input matched for minimum noise figure, output for maximum gain
2)
ZS = ZL = 50Ω
For more and detailed S- and Noise-parameters please contact your local Siemens
distributor or sales office to obtain a Siemens Application Notes CD-ROM or see Internet:
http://www.siemens.de/Semiconductor/products/35/35.htm
Semiconductor Group
3
1998-11-01


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