Freescale Semiconductor, Inc.
TYPICAL CHARACTERISTICS
MRF947 SERIES
150
130
110
90
1
C
ob
0.5
C
cb
70
50
0.2
0.1
1
2
5
10
20 30
0.1
0.5
1
5
10
20
REVERSE VOLTAGE (V)
I , COLLECTOR CURRENT (mA)
C
Figure 9. Capacitance versus Voltage
Figure 10. DC Current Gain versus Collector Current
15
13
11
5
8
G
NF
4
3
V
CE
= 6 V
V
= 6 V
CE
6
4
2
0
f = 1 GHz
N
F
9
7
2
1
5
0
1
2
3
4
5
10 15 20 30
1
2
5
10
20
30
I , COLLECTOR CURRENT (mA)
C
I , COLLECTOR CURRENT (mA)
C
Figure 11. Gain–Bandwidth Product
versus Collector Current
Figure 12. Associated Gain and Minimum
Noise Figure versus Collector Current
32
V
= 6 V
CE
I = 5 mA
28
MSG
C
24
20
MAG
S21
16
12
8
MSG
2
4
0
0.1
0.2
0.3
0.5
1
2
3
5
f, FREQUENCY (GHz)
Figure 13. Forward Insertion Gain and Maximum
Stable/Available Power Gain versus Frequency
MOTOROLA RF DEVICE DATA
MMBR941 MRF947 SERIES
5
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