MRF947 Motorola, MRF947 Datasheet - Page 13

• Manufacturer Part Number: MRF947
• Description: High-Frequency Transistors
• Manufacturer: Motorola

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MOTOROLA RF DEVICE DATA
+ j0.2
+ j0.2
– j0.2
– j0.2
+ j0.5
+ j0.5
– j0.5
– j0.5
8.6
Figure 20. MRF9411LT1 Constant Gain and Noise Figure Contours
Figure 19. MRF9411LT1 Constant Gain and Noise Figure Contours
11.2
– j1
– j1
+ j1
+ j1
8
11
7
2
10
2.1
2.3
1.6
– j2
– j2
+ j2
+ j2
1.8
2
(f = 0.5 GHz)
(f = 1.0 GHz)
V CE = 1.0 V
I C = 0.5 mA
V CE = 1.0 V
I C = 0.5 mA
f (GHz)
f (GHz)
0.5
1.0
— AREA OF INSTABILITY
— AREA OF INSTABILITY
NF OPT (dB)
NF OPT (dB)
1.60
1.95
MMBR941 MRF947 MRF9411 SERIES
MS NF OPT
0.70
MS NF OPT
0.55
35
69
R N
R N
40
30
0.22
0.39
2–13
K
K