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參數(shù)資料
| 型號(hào)： | 934056690115 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 小信號(hào)晶體管 |
| 英文描述： | L BAND, SiGe, NPN, RF SMALL SIGNAL TRANSISTOR |
| 封裝： | PLASTIC CMPAK-4 |
| 文件頁數(shù)： | 11/12頁 |
| 文件大?。?/td> | 145K |
| 代理商： | 934056690115 |
2002 Jan 28
8
Philips Semiconductors
Preliminary specification
NPN SiGe wideband transistor
BFU540
0
1
2
3
4
04
8
12
16
20
I
C (mA)
NF
min
(dB)
f=5GHz
f=2GHz
Fig.14 Minimum noise figure as a function of
collector current.
VCE =2 V; Tamb =25 °C.
0
1
2
3
01
234
56
f (GHz)
NF
min
(dB)
Fig.15 Minimum noise figure as a function of
frequency.
IC =2 mA; VCE =2 V; Tamb =25 °C.
Noise data: VCE =2V; IC =4 mA; Tamb =25
°C; typical values
f
(GHz)
Fmin
(dB)
Γopt
rn
(
)
(mag)
(deg)
2
1.0
0.39
55.9
0.20
3
1.2
0.23
86.8
0.15
4
1.4
0.11
142.5
0.13
5
1.6
0.14
121.0
0.16
6
1.7
0.28
74.2
0.27
7
1.9
0.41
52.1
0.43
8
2.1
0.47
32.6
0.66
9
2.3
0.54
14.1
0.91
10
2.6
0.62
3.7
1.22
11
2.8
0.63
22.7
1.44
12
3.0
0.61
36.8
1.65
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