MRF957 Motorola, MRF957 Datasheet - Page 12

• Manufacturer Part Number: MRF957
• Description: (MRF9511 / MRF957) NPN Silicon Low Noise / High-Frequency Transistors
• Manufacturer: Motorola

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DataSheet
MMBR951 MRF957 MRF9511 SERIES
4
12
(GHz)
10
32
28
24
20
16
12
1.0
U
8
6
4
2
0
8
4
0
f
V CE = 6.0 V I C = 5.0 mA
0.1
0.1
.com
Figure 16. Gain–Bandwidth Product versus
V CE = 5 V
1.5 dB 0.27
Figure 20. Constant Gain and Noise Figure Contours
f = 1 GHz
OPT
NF
AREA OF INSTABILITY
Figure 18. Insertion Gain and Maximum
Stable Power Gain versus Frequency
0.2
INPUT
o
97
0.3
Collector Current
I C , COLLECTOR CURRENT (mA)
– j0.2
R N
10
j0.2
1
f, FREQUENCY (GHz)
0.91
K
0.5
15.2
– j0.5
j0.5
0.2
f = 1.0 GHz
15.0
0.5
1
14.0
V CE = 6 V
10
I C = 5 mA
– j1.0
|S 21 | 2
o
j1.0
1
MSG
1.5
TYPICAL CHARACTERISTICS
2
2.0
2
2.3
3
DataSheet4U.com
– j2.0
MRF957T1
j2.0
100
5.1
(GHz)
1.5
f
V CE = 6.0 V I C = 5.0 mA
20
16
12
25
20
15
10
5
0
8
4
2.0 dB 0.21
OUTPUT
0.3
OPT
NF
1
Figure 21. Constant Gain and Noise Figure Contours
Figure 19. Noise Figure and Associated
2
o
Figure 17. Associated Gain versus
54
NF
R N
14 1.02
– j0.2
I C , COLLECTOR CURRENT (mA)
Gain versus Frequency
j0.2
G NF
0.5
Collector Current
K
G NF
5
f, FREQUENCY (GHz)
ms
11.8
– j0.5
j0.5
0.2
f = 1.5 GHz
11.0
MOTOROLA RF DEVICE DATA
10
V CE = 6 V
NF
0.5
f = 1 GHz
10.0
20
– j1.0
j1.0
1
30
1
2.0
o
V CE = 6 V
I C = 5 mA
2
2.5
3.0
– j2.0
j2.0
1.5
5
4
3
2
1
0
3
2
1