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MITSUBISHI RF POWER MOS FET
2SK2973
DESCRIPTION
2SK2973 is a MOS FET type transistor specifically designed for VHF/UHF power amplifiers applications.
OUTLINE DRAWING
4.6MAX 1.60.2
Dimensions in mm 1.50.1
FEATURES
* High power gain:Gpe13dB @VDD=9.6V,f=450MHz,Pin=17dBm * High efficiency:55% typ. * Source case type SOT-89 package (connected internally to source)
1 2 3
APPLICATION
For drive stage and output stage of power amplifiers in VHF/UHF band portable radio sets.
1.5
0.53 MAX
0.48MAX 1 : DRAIN 2 : SOURCE 3 : GATE 0.4 +0.03 -0.05
3.0
MARKING
SOT-89
MARKING
TYPE No.
K1
LOT No.
ABSOLUTE MAXIMUM RATINGS (TC=25C, unless otherwise noted)
Symbol VDSS VGSS Pch Tj Tstg Parameter Drain to source voltage Gate to source voltage Channel dissipation Junction temperature Storage temperature Conditions Ratings 17 10 1.5 150 -40 to +110 Unit V V W C C
Tc=25C
(Note2)
Note1: Above parameters are guaranteed independently. 2: Solder on printed board(Copper leaf area;70x70mm,t=1.6mm Epoxy glass)
ELECTRICAL CHARACTERISTICS (TC=25C, unless otherwise noted)
Symbol IDSS IGSS VTH Ciss Coss Pout hD Parameter Test conditions VDS=12V, VGS=0V VGS=10V, VDS=0V VDS=7V, IDS=1mA VGS=10V, VDS=0V,f=1MHz VDS=10V, VGS=0V,f=1MHz VDS=9.6V, Pin=50mW,f=450MHz Min Limits Typ Max 10 1 1.8 Unit A A V pF pF W %
Threshold voltage
1.2 10 8 1.2 55
1 45
Note: Above parameters,ratings,limits and conditions are subject to change.
Nov. 97
MITSUBISHI RF POWER MOS FET
2SK2973
TYPICAL PERFORMANCE DATA
IDS VS. VDS
1.2 TC=25C 5.0V 1.0 4.5V 0.8 4.0V 0.6 3.5V 3.0V 2.5V VGS=2.0V 0.0 0 1 2 3 4 5 6 7 8 9 10 0.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0.6 0.8 1.0 1.2 VDS=9.6V TC=25C
IDS VS. VGS
0.4 0.2
0.4 0.2
VDS(V)
VGS(V)
PO, add VS. Pin
34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 85 80 75 PO 70 65 60 55 add 50 45 40 35 30 25 20 15 10 5 0 4 6 8 10 12 14 16 18 20 22 24 26 34 32 30 28 26 24 22 20 18 16 14 12 10 3 4 5
PO, add, t VS. VDD
95 90 PO 85 80 75 70 65 60 add 55 50 45 40 6 7 8 9 35 10 11 12 13
t
0
2
INPUT POWER Pin (dBm)
DRAIN SUPPLY VOLTAGE VDD(V)
EQUIVALENT CIRCUIT
@VDD=9.6V Match
39mm 1mm 3mm 4.5mm 8mm 4mm 37mm
C2 GR40-220 22pF C1 GR40-102 1000pF
L1 3Turns AWG#31,0.8 Enameled wire(mm)
L3 R1 CR10-103 10000 R2 CR10-101 100 C6 GR40-102 1000pF 3Turns AWG#31,0.8 Enameled wire(mm)
C10 GR40-100 10pF
L2 5Turns AWG#26,1.1 Enameled wire(mm)
C11 GR40-102 1000pF
INPUT
VGG
C3 C4 C5 GR40-10 GR40-102 10pF 1000pF 22 F 50V
VDD
C7 C8 C9 GR40-10 GR40-102 10pF 1000pF 22 F 50V
OUTPUT
Note: Board material-glass epoxi substrate micro strip line width=1mm, r :4.8,t=0.6mm Nov. 97
MITSUBISHI RF POWER MOS FET
2SK2973
S-PARAMETER DATA(TYPICAL)
FREQ. (MHz) 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500 FREQ. (MHz) 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500 0.969 0.895 0.818 0.766 0.731 0.713 0.699 0.691 0.694 0.692 0.694 0.698 0.705 0.711 0.714 0.719 0.731 0.735 0.745 0.750 0.757 0.769 0.775 0.782 0.793 0.799 0.807 0.814 0.816 0.829 0.962 0.877 0.797 0.741 0.711 0.691 0.683 0.680 0.680 0.684 0.689 0.695 0.704 0.710 0.719 0.725 0.736 0.739 0.751 0.759 0.763 0.772 0.777 0.788 0.793 0.797 0.804 0.809 0.816 0.825 S11 -30.909 -57.078 -76.635 -91.748 -103.034 -111.898 -119.086 -125.145 -130.461 -135.027 -139.643 -143.458 -147.473 -151.333 -154.997 -158.593 -162.473 -166.136 -169.642 -173.163 -176.805 -179.819 176.141 172.631 169.504 165.990 162.470 159.531 156.335 153.305 0.019 0.030 0.036 0.038 0.038 0.036 0.036 0.036 0.038 0.041 0.047 0.054 0.062 0.072 0.082 0.094 0.106 0.118 0.131 0.145 0.158 0.170 0.183 0.195 0.207 0.220 0.230 0.240 0.251 0.259 S12 70.131 55.726 44.160 40.231 38.866 41.687 45.980 54.414 62.799 70.422 77.349 81.691 85.975 88.284 89.530 89.900 89.449 88.195 86.908 85.477 83.221 81.026 78.964 76.775 74.515 72.443 69.906 67.648 65.743 63.341 15.173 13.006 10.709 8.877 7.448 6.331 5.489 4.833 4.299 3.863 3.488 3.180 2.937 2.710 2.509 2.346 2.190 2.032 1.910 1.767 1.663 1.561 1.448 1.351 1.263 1.168 1.082 1.008 0.953 0.902 S21 155.450 134.869 119.517 107.569 97.989 90.515 83.918 78.172 73.186 68.210 63.808 59.700 55.733 51.615 48.016 44.142 40.196 36.568 32.944 29.492 26.400 23.026 19.886 17.290 14.209 12.331 10.481 9.729 9.000 8.358 0.517 0.497 0.482 0.475 0.478 0.482 0.490 0.504 0.515 0.528 0.538 0.550 0.563 0.575 0.587 0.599 0.607 0.614 0.628 0.632 0.640 0.648 0.654 0.656 0.659 0.655 0.651 0.658 0.661 0.668
VDD=7V,ID=100mA S22 -33.518 -60.987 -80.439 -94.398 -103.912 -111.111 -117.019 -121.733 -125.706 -129.494 -132.827 -136.175 -139.265 -142.636 -145.786 -149.500 -152.741 -156.200 -159.932 -163.560 -167.393 -171.167 -174.329 -177.882 178.966 176.140 173.319 171.233 169.940 168.226 VDD=13V,ID=100mA
S11 -28.167 -52.309 -71.057 -85.910 -97.535 -106.770 -114.312 -120.895 -126.479 -131.266 -136.032 -140.107 -144.290 -148.279 -151.821 -155.417 -159.212 -162.934 -166.562 -170.178 -173.594 -177.132 179.157 175.539 172.187 169.041 165.082 162.211 158.932 155.796 0.014 0.023 0.028 0.030 0.030 0.030 0.028 0.031 0.032 0.037 0.043 0.050 0.059 0.069 0.079 0.091 0.102 0.116 0.128 0.142 0.155 0.168 0.182 0.195 0.208 0.221 0.233 0.243 0.255 0.264
S12 71.719 58.790 50.602 46.574 45.714 48.027 55.670 62.737 73.404 80.763 87.314 92.097 95.477 96.935 98.151 97.664 96.976 95.996 94.383 92.828 90.415 87.874 85.838 82.989 80.799 78.268 75.458 72.924 71.005 68.509 15.673 13.660 11.486 9.627 8.179 7.015 6.113 5.388 4.823 4.335 3.935 3.611 3.331 3.095 2.875 2.685 2.511 2.342 2.215 2.064 1.936 1.817 1.693 1.585 1.476 1.360 1.263 1.163 1.097 1.039
S21 157.229 137.611 122.578 110.613 101.187 93.440 86.760 80.878 75.886 70.903 66.204 62.009 58.175 53.864 49.913 46.260 42.090 38.080 34.580 30.750 27.264 23.902 20.361 17.461 14.114 11.831 9.495 8.102 7.206 6.401 0.584 0.550 0.519 0.498 0.490 0.487 0.491 0.500 0.508 0.519 0.529 0.539 0.551 0.564 0.575 0.585 0.595 0.605 0.619 0.623 0.632 0.642 0.650 0.653 0.657 0.656 0.651 0.659 0.660 0.668
S22 -25.160 -46.574 -62.601 -75.182 -84.524 -91.913 -98.343 -103.694 -107.961 -112.507 -116.209 -120.031 -123.436 -126.986 -130.446 -134.470 -137.974 -141.841 -145.830 -149.638 -153.862 -158.231 -161.799 -165.820 -169.544 -172.628 -176.074 -178.678 179.809 177.692
Nov. 97

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