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BFS25A,115

P1-P3P4-P6P7-P9P10-P12P13-P13
December 1997 7
NXP Semiconductors Product specification
NPN 5 GHz wideband transistor BFS25A
Fig.13 Noise circle.
I
C
= 1 mA; V
CE
=1 V;
f = 1 GHz; Z
o
= 50 .
handbook, full pagewidth
MRA076
0
0.2
0.6
0.4
0.8
1.0
1.0
5
2
1
0.5
0.2
0
0.2
0.5
1
2
5
0.2 0.5 2 5
180°
−135°
−90°
−45°
0°
45°
90°
135°
stability
circle
F = 6 dB
1
F
min
= 2 dB
Γ
OPT
F = 4 dB
F = 3 dB
MSG = 11.1 dB
8 dB
10 dB
Fig.14 Noise circle.
I
C
= 1 mA; V
CE
=1 V;
f = 2 GHz; Z
o
= 50 .
handbook, full pagewidth
MRC051
0
0.2
0.6
0.4
0.8
1.0
1.0
5
2
1
0.5
0.2
0
0.2
0.5
1
2
5
0.2 0.5 2 5
180°
−135°
−90°
−45°
0°
45°
90°
135°
F = 6 dB
1
G
max
= 7. 5 dB
F = 4 dB
5 dB
7 dB
3 dB
F = 2.5 dB
F
min
= 2.4 dB
Γ
OPT
December 1997 8
NXP Semiconductors Product specification
NPN 5 GHz wideband transistor BFS25A
Fig.15 Common emitter input reflection coefficient (S
11
).
I
C
= 1 mA; V
CE
=1 V;
Z
o
= 50 .
handbook, full pagewidth
MRA052
0
0.2
0.6
0.4
0.8
1.0
1.0
5
2
1
0.5
0.2
0
0.2
0.5
1
2
5
0.2 0.5 1 2 5
180°
−135°
−90°
−45°
0°
45°
90°
135°
3 GHz
40 MHz
Fig.16 Common emitter forward transmission coefficient (S
21
).
I
C
= 1 mA; V
CE
=1 V.
handbook, full pagewidth
MRC053
5 4 3 2 1
180°
−135°
−90°
−45°
0°
45°
90°
135°
3 GHz
40 MHz
December 1997 9
NXP Semiconductors Product specification
NPN 5 GHz wideband transistor BFS25A
Fig.17 Common emitter reverse transmission coefficient (S
12
).
I
C
= 1 mA; V
CE
=1 V.
handbook, full pagewidth
MRC054
0.5 0.4 0.3 0.2
3 GHz
0.1
180°
−90°
−135°
−45°
0°
45°
90°
135°
40 MHz
Fig.18 Common emitter output reflection coefficient (S
22
).
I
C
= 1 mA; V
CE
=1 V;
Z
o
= 50 .
handbook, full pagewidth
MRC055
0
0.2
0.6
0.4
0.8
1.0
1.0
5
2
1
0.5
0.2
0
0.2
0.5
1
2
5
0.2 0.5 1 2 5
180°
−135°
−90°
−45°
0°
45°
90°
135°
40 MHz
3 GHz
P1-P3P4-P6P7-P9P10-P12P13-P13

BFS25A,115

Mfr. #:
Buy BFS25A,115
Manufacturer:
NXP Semiconductors
Description:
RF Bipolar Transistors TAPE-7 TNS-RFSS
Lifecycle:
New from this manufacturer.
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