MRF5711LT1 Motorola, MRF5711LT1 Datasheet - Page 12

• Manufacturer Part Number: MRF5711LT1
• Description: (MRF571 / MRF5711LT1) NPN Silicon High-Frequency Transistors
• Manufacturer: Motorola

MMBR571LT1 MRF571 MRF5711LT1
12
0
0
+ j10
+ j10
– j10
– j10
14
MS
10
10
+ j25
+ j25
– j25
– j25
12
25
25
MS NF OPT
1.5
18
17
Figure 32. MRF571 Constant Gain and Noise Figure Contours
16
50
– j50
50
– j50
+ j50
+ j50
10
0.9
2
MS NF OPT
100
100
2.5
3
1
150
150
250
1.5
250
– j100
– j100
+ j100
+ j100
2
500
500
– j150
– j150
+ j150
+ j150
+ j250
– j250
– j250
+ j250
+ j500
– j500
+ j500
– j500
V CE = 6.0 V, I C = 5.0 mA
f = 1.0 GHz
V CE = 6.0 V, I C = 5.0 mA
f = 500 MHz
0.89
f (GHz)
f (GHz)
MS NF OPT
0.49
1.0
0.5
— REGION OF INSTABILITY
MS
–179
74
NF OPT (dB) Rn ( ) NF50
NF OPT (dB)
1.5
0.9
0.81
0.58
K
ML
66
MOTOROLA RF DEVICE DATA
7.5
Rn ( )
9.3
NF50
2.2
(dB)
1.3
(dB)
0.48
MS NF OPT
134