MRF957 Motorola, MRF957 Datasheet - Page 9

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

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DataSheet
4
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+ j0.2
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MOTOROLA RF DEVICE DATA
– j0.2
– j0.2
15.8
+ j0.5
+ j0.5
– j0.5
– j0.5
15
20
14
Figure 11. MMBR951LT1 Constant Gain and Noise Figure Contours
Figure 10. MMBR951LT1 Constant Gain and Noise Figure Contours
1.5
– j1
– j1
+ j1
+ j1
19
18
1.1
1.6
1.8
17
2
1.3
1.5
1.7
– j2
– j2
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+ j2
+ j2
(f = 0.5 GHz)
(f = 1.0 GHz)
V CE = 6.0 V
V CE = 6.0 V
I C = 5.0 mA
I C = 5.0 mA
f (GHz)
f (GHz)
0.5
1.0
— AREA OF INSTABILITY
— AREA OF INSTABILITY
NF OPT (dB)
NF OPT (dB)
1.13
1.45
MMBR951 MRF957 MRF9511 SERIES
0.16
MS NF OPT
0.35
MS NF OPT
124
68
Rn
Rn
9
8
0.68
0.97
K
K
9