10
MGA-425P8 Typical Scattering Parameters (at 25°C, V
DS
= 3.3V, I
DS
= 80 mA)
Freq. S
11
S
21
S
12
S
22
MSG/MAG
GHz Mag. Ang. dB Mag. Ang. dB Mag. Ang. Mag. Ang.
0.1 0.79 -16.3 27.73 24.356 171.1 -34.89 0.018 79.5 0.628 -8.1 36.08
0.5 0.79 -65.7 26.07 20.124 144.5 -32.40 0.024 58.1 0.55 -33.1 29.24
0.9 0.807 -100.8 24.18 16.172 124.7 -29.12 0.035 42.1 0.439 -52.5 26.65
1 0.809 -107.6 23.68 15.273 120.8 -28.87 0.036 39 0.414 -56.6 26.28
1.5 0.825 -133.2 21.36 11.698 104.7 -27.54 0.042 27.1 0.312 -73.9 24.45
1.9 0.83 -147.1 19.75 9.712 95.1 -27.13 0.044 20 0.249 -84.6 23.44
2 0.835 -150.5 19.34 9.266 92.6 -26.94 0.045 18.7 0.239 -89.1 23.14
2.4 0.839 -160.4 17.91 7.863 85 -26.74 0.046 14 0.202 -99.5 22.33
3 0.845 -171.8 16.09 6.374 75.2 -26.56 0.047 8.6 0.169 -114.5 21.32
3.5 0.847 -179.5 14.81 5.501 68.2 -26.38 0.048 4.9 0.154 -123.6 20.59
3.9 0.845 175.4 13.84 4.918 62.5 -26.38 0.048 1.8 0.156 -131.3 20.11
4 0.855 174.2 13.50 4.732 62.8 -26.38 0.048 3 0.145 -140.4 19.94
4.5 0.853 168.2 12.63 4.282 56 -26.38 0.048 -0.3 0.144 -143.4 19.50
5 0.857 162.7 11.77 3.875 50.6 -26.20 0.049 -2.5 0.14 -150 18.98
5.1 0.857 161.7 11.62 3.81 49.3 -26.02 0.05 -3.1 0.139 -150.7 18.82
5.2 0.856 160.6 11.46 3.742 48.1 -26.02 0.05 -3.6 0.139 -150.8 18.74
5.3 0.856 159.6 11.30 3.673 46.9 -26.02 0.05 -4.2 0.141 -151.3 18.66
5.4 0.856 158.6 11.15 3.609 45.7 -26.02 0.05 -4.8 0.142 -152.8 18.58
5.5 0.856 157.6 10.99 3.544 44.5 -26.02 0.05 -5.4 0.141 -153.9 18.51
5.6 0.856 156.6 10.85 3.486 43.3 -26.02 0.05 -6 0.141 -154 18.43
5.7 0.858 155.6 10.69 3.423 42.1 -26.02 0.05 -6.7 0.144 -154.5 18.35
5.8 0.857 154.6 10.53 3.361 40.8 -25.85 0.051 -7.5 0.146 -155.6 18.19
6 0.862 153.5 10.09 3.196 38.3 -26.02 0.05 -8.7 0.158 -156.7 18.06
7 0.87 143.3 8.75 2.738 28 -26.20 0.049 -12.6 0.169 -171 17.47
8 0.862 133.3 7.58 2.392 16.9 -25.35 0.054 -17.2 0.164 175 16.46
9 0.869 122.3 6.67 2.156 6.5 -25.85 0.051 -23.3 0.187 154.1 14.70
10 0.875 111.8 5.70 1.928 -6.2 -25.19 0.055 -29.2 0.224 130.8 13.77
11 0.884 101.6 4.43 1.666 -17.2 -26.02 0.05 -33.6 0.251 113.3 12.01
12 0.898 91.8 3.54 1.503 -28 -25.68 0.052 -40.3 0.305 107.5 12.08
13 0.912 83.4 2.48 1.33 -39.4 -26.02 0.05 -45.5 0.359 100.3 11.95
14 0.915 75.6 1.31 1.163 -49.9 -26.20 0.049 -51.9 0.405 95.5 11.03
15 0.921 68.6 0.22 1.026 -59 -26.94 0.045 -55.5 0.442 92.1 10.25
16 0.908 60.3 -0.79 0.913 -68.6 -26.94 0.045 -61.2 0.477 87.6 8.48
17 0.893 52.5 -1.83 0.81 -77.6 -26.94 0.045 -64.9 0.507 81.7 6.76
18 0.905 44.4 -2.96 0.711 -87.2 -28.18 0.039 -63.9 0.537 72.4 6.09
Freq F
min
Γ
opt
Γ
opt
R
n/50
NF @
GHz dB Mag. Ang.
50 dB
0.9 0.86 0.1 -134.9 0.06 0.84
1.5 0.95 0.25 -173.6 0.06 1.03
1.9 1.03 0.27 -177.4 0.06 1.16
2 1.05 0.28 -177.7 0.06 1.19
2.4 1.1 0.31 178.9 0.06 1.32
3 1.19 0.37 -177.4 0.05 1.48
3.5 1.28 0.42 -174 0.05 1.68
3.9 1.35 0.44 -170.6 0.06 1.81
4.5 1.46 0.48 -167 0.06 2.01
5 1.53 0.5 -163.6 0.06 2.15
5.2 1.56 0.5 -161.8 0.07 2.17
5.5 1.62 0.52 -159.4 0.07 2.23
5.8 1.66 0.53 -157.8 0.07 2.44
6 1.7 0.54 -156.1 0.07 2.52
7 1.86 0.55 -147.8 0.12 2.8
8 2.03 0.56 -138.6 0.18 3.22
9 2.2 0.57 -125.5 0.31 3.52
10 2.37 0.63 -114.8 0.42 3.95
Note:
1. S Parameter is measured on a microstrip line made on 0.025 inch thick alumina carrier. The input reference plane is at the end of the gate lead.
The output reference plane is at the end of the drain lead.
Typical Noise Parameters, V
DS
= 3.3V, I
DS
= 80 mA
Figure 21. MSG/MAG & |S21|
2
vs.
Frequency at 3.3V, 80 mA.
MSG/MAG & |S21|
2
(dB)
40
30
20
10
0
-10
FREQUENCY (GHz)
0 105 15 20
MAG
MSG
S21
11
MGA-425P8 Typical Scattering Parameters (at 25°C, V
DS
= 4V, I
DS
= 60 mA)
Freq. S
11
S
21
S
12
S
22
MSG/MAG
GHz Mag. Ang. dB Mag. Ang. dB Mag. Ang. Mag. Ang.
0.1 0.797 -16.4 27.38 23.399 171 -33.98 0.02 79.2 0.66 -7.8 35.91
0.5 0.793 -65.7 25.70 19.285 144.4 -32.40 0.024 58 0.578 -31.2 29.05
0.9 0.809 -100.8 23.80 15.495 124.6 -29.12 0.035 41.9 0.463 -49.1 26.46
1 0.81 -107.5 23.31 14.637 120.7 -28.64 0.037 38.7 0.437 -52.8 25.97
1.5 0.826 -133.2 21.00 11.22 104.6 -27.33 0.043 26.7 0.331 -68.1 24.17
1.9 0.83 -147 19.39 9.32 95 -26.94 0.045 19.6 0.266 -76.9 23.16
2 0.836 -150.5 18.98 8.891 92.4 -26.74 0.046 18.4 0.254 -80.9 22.86
2.4 0.839 -160.4 17.56 7.551 84.7 -26.56 0.047 13.5 0.215 -89.5 22.06
3 0.844 -171.8 15.74 6.125 74.9 -26.38 0.048 8 0.177 -102.1 21.06
3.5 0.847 -179.5 14.47 5.288 67.7 -26.20 0.049 4.3 0.16 -109.9 20.33
3.9 0.845 175.4 13.49 4.726 61.9 -26.20 0.049 1 0.16 -117.9 19.84
4 0.856 174.2 13.15 4.547 62.4 -26.20 0.049 2.3 0.142 -126.1 19.68
4.5 0.854 168.1 12.29 4.116 55.4 -26.20 0.049 -1 0.144 -128.7 19.24
5 0.856 162.7 11.42 3.726 49.9 -26.02 0.05 -3.3 0.139 -134.7 18.72
5.1 0.856 161.6 11.28 3.664 48.6 -26.02 0.05 -3.9 0.138 -135.2 18.65
5.2 0.856 160.6 11.12 3.598 47.4 -26.02 0.05 -4.5 0.138 -135.4 18.57
5.3 0.856 159.6 10.96 3.533 46.2 -25.85 0.051 -5 0.141 -136.1 18.41
5.4 0.856 158.5 10.81 3.47 45 -25.85 0.051 -5.6 0.142 -137.7 18.33
5.5 0.855 157.5 10.65 3.409 43.8 -25.85 0.051 -6.2 0.141 -138.7 18.25
5.6 0.855 156.5 10.51 3.352 42.5 -25.85 0.051 -6.9 0.142 -138.9 18.18
5.7 0.857 155.5 10.35 3.291 41.3 -25.85 0.051 -7.5 0.145 -139.7 18.10
5.8 0.857 154.5 10.19 3.231 40 -25.85 0.051 -8.3 0.147 -141 18.02
6 0.861 153.4 9.75 3.072 37.5 -26.02 0.05 -9.4 0.16 -143.5 17.88
7 0.87 143.3 8.42 2.635 27 -26.02 0.05 -13.4 0.167 -158.6 17.22
8 0.862 133.3 7.25 2.305 15.8 -25.35 0.054 -17.9 0.16 -172.5 16.30
9 0.869 122.3 6.36 2.079 5.1 -25.85 0.051 -24.1 0.174 164.9 13.27
10 0.873 111.8 5.38 1.858 -7.7 -25.19 0.055 -29.8 0.204 139.2 11.66
11 0.883 101.5 4.13 1.608 -18.8 -26.02 0.05 -34.2 0.228 119.6 11.72
12 0.897 91.8 3.23 1.451 -29.8 -25.68 0.052 -40.7 0.284 113 11.59
13 0.911 83.3 2.18 1.285 -41.4 -26.02 0.05 -45.9 0.341 105.1 10.70
14 0.914 75.5 1.01 1.123 -52.2 -26.20 0.049 -52.4 0.392 99.7 9.93
15 0.92 68.6 -0.10 0.989 -61.5 -26.94 0.045 -56 0.433 95.9 8.07
16 0.906 60.2 -1.13 0.878 -71.3 -26.94 0.045 -61.6 0.469 91 6.48
17 0.893 52.4 -2.17 0.779 -80.5 -26.94 0.045 -65.5 0.502 84.9 5.78
18 0.904 44.3 -3.30 0.684 -90.4 -28.18 0.039 -64.6 0.533 75.3 13.27
Freq F
min
Γ
opt
Γ
opt
R
n/50
NF @
GHz dB Mag. Ang.
50 dB
0.9 0.86 0.1 -133.6 0.06 0.83
1.5 0.94 0.23 -175.5 0.06 1.01
1.9 1 0.26 -178.3 0.06 1.12
2 1.03 0.27 -179.6 0.06 1.15
2.4 1.08 0.3 178.7 0.06 1.27
3 1.17 0.36 -178.1 0.06 1.41
3.5 1.25 0.4 -173.8 0.06 1.59
3.9 1.3 0.43 -171.7 0.06 1.7
4.5 1.39 0.47 -167 0.06 1.9
5 1.47 0.48 -164.8 0.06 2.08
5.2 1.5 0.49 -163 0.06 2.1
5.5 1.53 0.5 -160.2 0.07 2.18
5.8 1.6 0.51 -158.6 0.07 2.27
6 1.62 0.53 -157.1 0.07 2.33
7 1.76 0.54 -149.2 0.1 2.63
8 1.93 0.53 -139.8 0.16 2.94
9 2.08 0.55 -126.4 0.28 3.25
10 2.22 0.61 -115.6 0.37 3.61
Note:
1. S Parameter is measured on a microstrip line made on 0.025 inch thick alumina carrier. The input reference plane is at the end of the gate lead.
The output reference plane is at the end of the drain lead.
Typical Noise Parameters, V
DS
= 4V, I
DS
= 60 mA
Figure 22. MSG/MAG & |S21|
2
vs.
Frequency at 4V, 60 mA.
MSG/MAG & |S21|
2
(dB)
40
30
20
10
0
-10
FREQUENCY (GHz)
0 105 15 20
MAG
MSG
S21
12
MGA-425P8 Typical Scattering Parameters (at 25°C, V
DS
= 4V, I
DS
= 65 mA)
Freq. S
11
S
21
S
12
S
22
MSG/MAG
GHz Mag. Ang. dB Mag. Ang. dB Mag. Ang. Mag. Ang.
0.1 0.796 -16.5 27.47 23.632 171 -33.98 0.02 79.6 0.657 -7.8 35.95
0.5 0.793 -66 25.79 19.472 144.3 -32.40 0.024 57.9 0.575 -31.2 29.09
0.9 0.809 -101.1 23.88 15.63 124.5 -29.12 0.035 41.8 0.46 -49 26.50
1 0.811 -107.8 23.38 14.76 120.6 -28.64 0.037 38.7 0.434 -52.7 26.01
1.5 0.826 -133.4 21.06 11.304 104.5 -27.33 0.043 26.7 0.329 -67.8 24.20
1.9 0.832 -147.3 19.45 9.386 94.9 -26.94 0.045 19.6 0.264 -76.5 23.19
2 0.836 -150.6 19.04 8.956 92.3 -26.94 0.045 18.3 0.252 -80.4 22.99
2.4 0.839 -160.6 17.62 7.605 84.7 -26.74 0.046 13.6 0.213 -88.9 22.18
3 0.846 -172 15.80 6.169 74.8 -26.56 0.047 8.1 0.176 -101.5 21.18
3.5 0.848 -179.6 14.53 5.326 67.7 -26.38 0.048 4.4 0.159 -109.3 20.45
3.9 0.846 175.3 13.55 4.759 61.9 -26.38 0.048 1.2 0.159 -117.3 19.96
4 0.856 174 13.21 4.578 62.3 -26.38 0.048 2.5 0.141 -125.6 19.79
4.5 0.854 168 12.35 4.144 55.4 -26.38 0.048 -0.8 0.142 -128 19.36
5 0.857 162.6 11.49 3.752 49.9 -26.20 0.049 -2.9 0.137 -133.9 18.84
5.1 0.857 161.6 11.34 3.688 48.7 -26.02 0.05 -3.5 0.136 -134.4 18.68
5.2 0.857 160.5 11.18 3.623 47.5 -26.02 0.05 -4.1 0.137 -134.5 18.60
5.3 0.857 159.5 11.02 3.556 46.2 -26.02 0.05 -4.7 0.139 -135.2 18.52
5.4 0.857 158.5 10.87 3.494 45 -26.02 0.05 -5.2 0.141 -136.9 18.44
5.5 0.856 157.5 10.71 3.431 43.8 -26.02 0.05 -5.8 0.14 -137.8 18.36
5.6 0.856 156.4 10.57 3.375 42.5 -26.02 0.05 -6.5 0.141 -138 18.29
5.7 0.858 155.4 10.40 3.312 41.3 -26.02 0.05 -7.1 0.144 -138.8 18.21
5.8 0.857 154.5 10.25 3.253 40 -26.02 0.05 -7.8 0.146 -140.1 18.13
6 0.862 153.4 9.81 3.093 37.5 -26.20 0.049 -9 0.159 -142.7 18.00
7 0.87 143.2 8.48 2.654 27.1 -26.20 0.049 -12.9 0.166 -157.9 17.34
8 0.863 133.2 7.31 2.321 15.8 -25.51 0.053 -17.4 0.159 -171.8 16.41
9 0.869 122.2 6.42 2.093 5.2 -25.85 0.051 -23.6 0.173 165.5 14.43
10 0.874 111.7 5.45 1.872 -7.6 -25.19 0.055 -29.2 0.203 139.6 13.43
11 0.884 101.5 4.18 1.618 -18.8 -26.20 0.049 -33.5 0.227 119.9 11.73
12 0.898 91.8 3.29 1.461 -29.7 -25.85 0.051 -40 0.282 113.3 11.79
13 0.912 83.3 2.24 1.294 -41.3 -26.02 0.05 -45.3 0.339 105.3 11.74
14 0.915 75.5 1.08 1.132 -52.1 -26.20 0.049 -51.6 0.39 100 10.84
15 0.921 68.6 -0.03 0.997 -61.3 -26.94 0.045 -55.2 0.431 96.1 10.05
16 0.906 60.2 -1.07 0.884 -71.2 -26.94 0.045 -60.9 0.468 91.3 8.12
17 0.894 52.4 -2.09 0.786 -80.3 -26.94 0.045 -64.8 0.501 85.2 6.59
18 0.905 44.4 -3.25 0.688 -90.2 -28.18 0.039 -63.8 0.532 75.5 5.86
Freq F
min
Γ
opt
Γ
opt
R
n/50
NF @
GHz dB Mag. Ang.
50 dB
0.9 0.87 0.1 -136.8 0.06 0.85
1.5 0.97 0.23 -173.5 0.06 1.01
1.9 1.03 0.26 -176.5 0.06 1.14
2 1.05 0.27 -177.5 0.07 1.16
2.4 1.1 0.3 179.7 0.07 1.27
3 1.19 0.36 -177.7 0.06 1.41
3.5 1.27 0.39 -173.7 0.06 1.61
3.9 1.35 0.43 -171.2 0.06 1.72
4.5 1.45 0.47 -167.3 0.06 1.92
5 1.5 0.48 -164 0.07 2.06
5.2 1.52 0.49 -162.4 0.07 2.12
5.5 1.57 0.5 -159.9 0.07 2.23
5.8 1.63 0.52 -158.2 0.07 2.31
6 1.66 0.53 -156.4 0.07 2.37
7 1.81 0.54 -148.6 0.11 2.68
8 2 0.54 -139.3 0.17 3.04
9 2.13 0.56 -125.4 0.29 3.29
10 2.28 0.62 -115.1 0.39 3.59
Note:
1. S Parameter is measured on a microstrip line made on 0.025 inch thick alumina carrier. The input reference plane is at the end of the gate lead.
The output reference plane is at the end of the drain lead.
Typical Noise Parameters, V
DS
= 4V, I
DS
= 65 mA
Figure 23. MSG/MAG & |S21|
2
vs.
Frequency at 4V, 65 mA.
MSG/MAG & |S21|
2
(dB)
40
30
20
10
0
-10
FREQUENCY (GHz)
0 105 15 20
MAG
MSG
S21

MGA-425P8-BLK

Mfr. #:
Manufacturer:
Broadcom / Avago
Description:
RF Amplifier Amplifier RFIC GaAs
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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