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MRF134 Datasheet, PDF (8/10 Pages) Motorola, Inc – N-CHANNEL MOS BROADBAND RF POWER FET
+āj25
+āj10
+āj50
+āj100
+āj150
+āj250
+āj500
0
10
25
50
100 150 250 500
f = 1000 MHz
-āj500
-āj10
-āj25
500
400
300
200 150 100
-āj250
-āj150
50
-āj100
-āj50
Figure 16. S11, Input Reflection Coefficient
versus Frequency
VDS = 28 V ID = 100 mA
+ā90°
+120°
+ā60°
+150°
.20
180° .18 .16 .14 .12 .10 .08 .06 .04 .02
S12
+ā30°
100 150
50
f = 1000
200
300
MHz
500 0°
-150°
-ā30°
-120°
-ā60°
-ā90°
Figure 17. S12, Reverse Transmission Coefficient
versus Frequency
VDS = 28 V ID = 100 mA
+ā90°
+120°
+ā60°
100 150
+150°
f = 50 MHz
S21
200
300
400
500
.10
180° 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0
1000
+ā30°
0°
-150°
-ā30°
-120°
-ā60°
-ā90°
Figure 18. S21, Forward Transmission Coefficient
versus Frequency
VDS = 28 V ID = 100 mA
+āj25
+āj10
+āj50
+āj100
+āj150
+āj250
+āj500
0
10
25
50
100 150 250 500
-āj500
-āj10
f = 1000 MHz
S22
500 300 200
-āj25
150 100
80
-āj250
50 -āj150
-āj100
-āj50
Figure 19. S22, Output Reflection Coefficient
versus Frequency
VDS = 28 V ID = 100 mA
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