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Part Name
Description
BFT25A View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
BFT25A
NPN 5 GHz wideband transistor
Philips Electronics
BFT25A Datasheet PDF : 14 Pages
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Philips Semiconductors
BFT25A
NPN 5 GHz wideband transistor
Table 8:
f (MHz)
Noise parameters
V
CE
(V)
I
C
(mA)
500
1
1
F
min
(dB)
1.9
Γ
opt
(mag)
0.79
(ang)
4
R
n
/50
2.5
0.5
0.2
1
pot. unst.
region
+
j
0
−
j
0.2
0.2
0.5
1
MSG
11.2 dB
10 dB
8 dB
2
8 dB
4 dB
3 dB
2
5 10
stability
circle
5
10
∞
Γ
opt
F
min
= 2 dB
10
5
0.5
1
See
Table 9;
Z
o
= 50
Ω
.
Average gain parameter: MSG = 11.2 dB.
Fig 12. Noise circle figure.
2
mcd109
Table 9:
f (MHz)
Noise parameters
V
CE
(V)
I
C
(mA)
1 000
1
1
F
min
(dB)
2
Γ
opt
(mag)
0.74
(ang)
8
R
n
/50
2.6
9397 750 13399
Product data sheet
Rev. 04 — 6 July 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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