6
VMMK-1218 Typical Scattering Parameters and Noise Parameters, T
A
=25°C, Vds=1.5V, Ids=20mA
[1]
Freq S11 S21 S12 S22 MSG/MAG
GHz Mag. Ang. dB Mag. Ang. Mag. Ang. Mag. Ang. dB
2 0.89 -78.70 20.79 10.95 129.60 0.07 44.02 0.52 -63.66 28.91
3 0.84 -106.97 19.15 9.07 111.99 0.08 28.78 0.46 -87.65 25.57
4 0.80 -129.59 17.52 7.52 97.71 0.09 16.70 0.42 -107.45 22.87
5 0.79 -147.25 16.06 6.35 86.00 0.09 7.26 0.39 -123.04 20.94
6 0.78 -161.95 14.74 5.46 75.76 0.10 -1.08 0.37 -136.55 19.39
7 0.77 -174.30 13.53 4.75 66.54 0.10 -7.98 0.36 -148.06 18.04
8 0.77 175.11 12.45 4.19 58.04 0.10 -14.20 0.35 -158.27 16.90
9 0.77 165.97 11.42 3.72 50.15 0.09 -19.91 0.35 -167.52 15.86
10 0.77 157.70 10.49 3.35 42.68 0.09 -25.19 0.35 -175.45 14.95
11 0.77 150.33 9.65 3.04 35.68 0.09 -30.03 0.35 177.45 14.14
12 0.77 143.54 8.87 2.78 28.84 0.09 -34.60 0.36 171.04 13.44
13 0.78 137.15 8.15 2.56 22.27 0.09 -38.83 0.36 164.96 12.80
14 0.78 131.00 7.49 2.37 15.98 0.09 -43.10 0.37 159.55 12.22
15 0.78 125.21 6.88 2.21 9.72 0.08 -47.12 0.37 154.60 11.66
16 0.79 119.39 6.31 2.07 3.42 0.08 -51.06 0.38 150.08 11.18
17 0.79 113.54 5.80 1.95 -2.83 0.08 -54.94 0.39 145.54 10.75
18 0.79 107.95 5.29 1.84 -8.68 0.08 -58.30 0.40 141.40 10.32
Typical Noise Parameters
Freq Fmin Г opt Г opt Rn/50 Ga
GHz dB Mag. Ang. dB
2 0.16 0.717 32.4 0.10 21.86
3 0.24 0.620 48.1 0.10 19.89
4 0.31 0.536 63.5 0.09 18.08
5 0.39 0.464 78.4 0.08 16.45
6 0.47 0.405 93.0 0.08 14.99
7 0.55 0.359 107.1 0.07 13.70
8 0.63 0.326 120.7 0.06 12.59
9 0.70 0.305 134.0 0.06 11.64
10 0.78 0.297 146.9 0.06 10.87
11 0.86 0.302 159.3 0.06 10.27
12 0.94 0.319 171.3 0.05 9.84
13 1.02 0.349 -177.1 0.05 9.59
14 1.09 0.392 -165.9 0.05 9.51
15 1.17 0.447 -155.1 0.05 9.59
16 1.25 0.515 -144.8 0.06 9.85
17 1.33 0.596 -134.8 0.08 10.29
Note:
1. S-parameters are measured in 50 Ohm test environment.
Figure 13. MSG/MAG and S21 vs. Frequency at 1.5V 20 mA
0.00
10.00
20.00
30.00
40.00
0510 1520
FREQUENCY GHz
MSG/MAG and S21 (dB)
MSG/MAG
S21