Freescale Semiconductor, Inc.
FORWARD INSERTION GAIN AND
MAXIMUM UNILATERAL GAIN versus FREQUENCY
30
25
20
15
10
24
V
= 6 V
I = 15 mA
C
CE
CE
I = 5 mA
V
= 6 V
C
20
16
12
8
MMBR941LT1, T3
MRF947
6
5
4
3
GU
max
CIRCUIT — FIGURE 9
2
|S |
21
NF
50Ω
5
0
4
0
2
1
0
NF
min
0.1
0.2 0.3
0.5 0.7
1
2
3
5
7
10
0.1
0.2 0.3
0.5 0.7
1
2
3
5
7
10
f, FREQUENCY, (GHz)
f, FREQUENCY, (GHz)
Figure 6. Noise Figure and Associated Gain
versus Frequency
Figure 5. MMBR941LT1, T3
6
5
4
3
2
V
CE
= 6 V
NF @ 2 GHz
min
NF @ 1 GHz
min
1
0
1
2
3
5
7
10
20 30
50 70 100
I , COLLECTOR CURRENT (mA)
C
Figure 7. Minimum Noise Figure versus
Collector Current
V
CE
V
BE
DUT
RF OUTPUT
RF INPUT
*SLUG TUNER
BIAS
NETWORK
BIAS
*SLUG TUNER
NETWORK
*MICROLAB/FXR
**SF – 11N < 1 GHz
**SF – 31IN ≥ 1 GHz
Figure 8. Functional Circuit Schematic (all devices)
MMBR941 MRF947 SERIES
4
MOTOROLA RF DEVICE DATA
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA [ MOTOROLA ]
