D
S
S
G
320
60
290
68
154
50
70
80 90
Excelics
EFA018A
DATA SHEET
Low Distortion GaAs Power FET
VERY HIGH fmax: 100GHz
+18.5dBm TYPICAL OUTPUT POWER
11.5dB TYPICAL POWER GAIN AT 12GHz
TYPICAL 1.1dB NOISE FIGURE AND 10.5dB ASSOCIATED
GAIN AT 12GHz
0.3 X 180 MICRON RECESSED "MUSHROOM" GATE
Si
3
N
4
PASSIVATION
ADVANCED EPITAXIAL DOPING PROFILE
PROVIDES HIGH POWER EFFICIENCY,
LINEARITY AND RELIABILITY
Idss SORTED IN 5mA PER BIN RANGE
ELECTRICAL CHARACTERISTICS (T
a
= 25
O
C)
SYMBOLS PARAMETERS/TEST
CONDITIONS MIN
TYP
MAX
UNIT
P
1dB
Output Power at 1dB Compression
f=12GHz
Vds=6V, Ids=50% Idss
f=18GHz
16.5 18.5*
18.5*
dBm
G
1dB
Gain at 1dB Compression
f=12GHz
Vds=6V, Ids=50% Idss
f=18GHz
9.5 11.5
9.5
dB
PAE
Power Added Efficiency at 1dB Compression
Vds=6V, Ids=50% Idss
f=12GHz
35
%
NF
Noise
Figure f=12GHz
Vds=2V, Ids=15mA
1.1
dB
Ga
Associated Gain
f=12GHz
Vds=2V, Ids=15mA
10.5
dB
Idss
Saturated Drain Current
Vds=3V, Vgs=0V
25
50
80
mA
Gm
Transconductance
Vds=3V, Vgs=0V
20
30
mS
Vp
Pinch-off Voltage
Vds=3V, Ids=1.0mA
-2.0
-3.5
V
BVgd
Drain Breakdown Voltage
Igd=0.5mA
-10
-15
V
BVgs
Source Breakdown Voltage
Igs=0.5mA
-7
-14
V
Rth
Thermal Resistance (Au-Sn Eutectic Attach)
185
o
C/W
*P
1dB
= 19.5dBm can be obtained with 8v/50% Idss bias. Consult factory for wafer selection.
MAXIMUM RATINGS AT 25
O
C
SYMBOLS PARAMETERS ABSOLUTE
1
CONTINUOUS
2
Vds
Drain-Source Voltage
12V
6V
Vgs
Gate-Source Voltage
-8V
-4V
Ids
Drain Current
Idss
Idss
Igsf
Forward Gate Current
4mA
0.7mA
Pin
Input Power
17dBm
@ 3dB Compression
Tch
Channel Temperature
175
o
C
150
o
C
Tstg
Storage Temperature
-65/175
o
C
-65/150
o
C
Pt
Total Power Dissipation
740mW
625mW
Note: 1. Exceeding any of the above ratings may result in permanent damage.
2. Exceeding any of the above ratings may reduce MTTF below design goals.
Excelics Semiconductor, Inc., 2908 Scott Blvd., Santa Clara, CA 95054
Phone: (408) 970-8664 Fax: (408) 970-8998 Web Site:
www.excelics.com
Chip Thickness: 75
13 microns
All Dimensions In Microns
EFA018A
DATA SHEET
Low Distortion GaAs Power FET
S-PARAMETERS
6V, 1/2 Idss
FREQ --- S11 --- --- S21 --- --- S12 --- --- S22 ---
(GHz) MAG ANG MAG ANG MAG ANG MAG ANG
1.0 0.989 -9.7 3.058 171.1 0.011 80.4 0.785 -3.1
2.0 0.982 -19.5 3.018 163.5 0.021 79.1 0.783 -6.9
3.0 0.972 -29.1 2.977 156.0 0.031 73.7 0.779 -10.4
4.0 0.960 -39.0 2.929 148.3 0.041 67.8 0.771 -14.2
5.0 0.942 -49.2 2.894 140.5 0.049 63.0 0.761 -18.0
6.0 0.927 -58.8 2.819 132.9 0.057 56.4 0.751 -21.6
7.0 0.910 -67.9 2.744 125.3 0.063 51.1 0.740 -25.4
8.0 0.894 -77.1 2.658 118.2 0.070 45.2 0.730 -28.8
9.0 0.876 -85.4 2.569 111.3 0.076 40.1 0.718 -32.2
10.0 0.861 -93.4 2.488 104.5 0.078 34.8 0.703 -35.5
11.0 0.852 -101.3 2.427 98.1 0.083 30.9 0.696 -38.6
12.0 0.837 -108.9 2.348 92.1 0.086 26.1 0.683 -41.2
13.0 0.824 -117.1 2.292 85.8 0.091 21.0 0.670 -44.0
14.0 0.812 -125.0 2.246 79.6 0.096 17.5 0.658 -46.4
15.0 0.801 -134.3 2.207 73.2 0.098 12.9 0.641 -49.0
16.0 0.789 -143.8 2.195 66.5 0.102 8.8 0.628 -51.2
17.0 0.783 -153.6 2.146 59.8 0.105 4.9 0.611 -53.9
18.0 0.773 -164.4 2.094 52.8 0.111 0.2 0.589 -56.3
19.0 0.773 -175.1 2.051 45.8 0.112 -3.5 0.568 -59.6
20.0 0.774 175.0 1.983 38.7 0.116 -7.7 0.549 -62.9
21.0 0.780 166.2 1.889 31.8 0.115 -13.0 0.521 -68.7
22.0 0.789 158.1 1.793 25.4 0.116 -15.9 0.510 -73.4
23.0 0.793 151.4 1.695 19.1 0.113 -19.1 0.505 -78.9
24.0 0.800 145.8 1.616 13.3 0.113 -21.4 0.509 -84.3
25.0 0.800 142.4 1.532 8.3 0.113 -25.2 0.518 -89.1
26.0 0.800 139.5 1.470 4.3 0.110 -25.8 0.527 -94.4
27.0 0.806 137.7 1.420 -0.9 0.110 -26.8 0.542 -99.3
28.0 0.809 135.5 1.386 -5.3 0.108 -29.3 0.546 -104.5
29.0 0.802 133.5 1.371 -9.7 0.109 -29.2 0.549 -109.7
30.0 0.798 131.8 1.342 -14.2 0.108 -31.0 0.561 -114.3
31.0 0.788 127.8 1.322 -19.1 0.106 -33.7 0.561 -119.4
32.0 0.793 122.2 1.298 -25.0 0.109 -36.8 0.551 -124.4
33.0 0.778 117.3 1.254 -29.9 0.106 -41.4 0.537 -129.5
34.0 0.771 111.3 1.222 -36.5 0.107 -43.8 0.520 -135.9
35.0 0.805 103.9 1.194 -42.3 0.102 -50.4 0.506 -142.6
36.0 0.821 97.8 1.150 -48.1 0.097 -53.1 0.497 -149.9
37.0 0.855 88.5 1.114 -55.0 0.100 -58.5 0.502 -157.1
38.0 0.882 84.3 1.057 -60.8 0.096 -61.8 0.515 -164.8
39.0 0.892 78.0 0.986 -67.9 0.097 -69.1 0.525 -172.3
40.0 0.912 74.5 0.922 -73.7 0.098 -71.4 0.545 -178.8
Note: The data included 0.7 mils diameter Au bonding wires:
1 gate wire, 15 mils each; 1 drain wire, 20 mils each; 6 source wires, 8 mils each.
S-PARAMETERS
2V, 15mA
FREQ --- S11 --- --- S21 --- --- S12 --- --- S22 ---
(GHz) MAG ANG MAG ANG MAG ANG MAG ANG
1.0 1.013 -7.4 2.545 172.5 0.015 85.8 0.534 -4.0
2.0 1.007 -14.7 2.538 166.5 0.030 78.5 0.531 -8.9
3.0 1.001 -22.3 2.528 159.9 0.044 74.9 0.526 -14.0
4.0 0.993 -30.0 2.519 153.4 0.058 69.9 0.518 -19.3
5.0 0.983 -38.7 2.525 145.9 0.072 63.8 0.499 -25.3
6.0 0.971 -47.3 2.499 138.9 0.085 58.5 0.488 -31.2
7.0 0.961 -55.9 2.462 131.8 0.097 52.9 0.475 -37.5
8.0 0.944 -64.1 2.407 124.7 0.107 46.9 0.464 -43.7
9.0 0.929 -72.4 2.347 117.8 0.116 41.5 0.451 -49.7
10.0 0.915 -79.8 2.282 111.5 0.124 36.4 0.440 -55.0
11.0 0.899 -86.9 2.227 105.2 0.131 31.5 0.431 -59.9
12.0 0.891 -94.0 2.166 99.5 0.138 27.0 0.422 -64.5
13.0 0.878 -100.9 2.124 93.5 0.146 22.2 0.409 -68.7
14.0 0.862 -108.3 2.093 87.7 0.153 17.6 0.394 -72.7
15.0 0.850 -116.0 2.072 82.0 0.160 13.1 0.377 -76.7
16.0 0.841 -124.1 2.057 75.8 0.168 8.8 0.355 -81.8
17.0 0.824 -133.9 2.039 69.1 0.178 3.5 0.331 -87.2
18.0 0.819 -144.1 2.013 62.4 0.185 -2.0 0.296 -94.2
19.0 0.808 -155.0 1.973 55.1 0.190 -7.3 0.266 -102.1
20.0 0.800 -165.8 1.924 47.7 0.195 -13.2 0.235 -113.2
21.0 0.808 -175.2 1.784 40.4 0.189 -18.4 0.223 -133.0
22.0 0.795 176.9 1.695 34.6 0.188 -22.6 0.215 -144.3
23.0 0.820 169.5 1.628 28.5 0.186 -27.0 0.226 -155.0
24.0 0.816 164.8 1.539 23.0 0.185 -30.6 0.237 -162.2
25.0 0.824 159.8 1.486 18.3 0.181 -34.1 0.257 -167.1
26.0 0.838 157.1 1.424 13.9 0.179 -36.3 0.270 -169.9
27.0 0.820 154.5 1.362 9.9 0.177 -39.0 0.282 -172.4
28.0 0.827 152.5 1.317 5.9 0.175 -41.0 0.284 -173.1
29.0 0.825 150.3 1.291 1.8 0.176 -43.3 0.294 -175.0
30.0 0.825 147.0 1.266 -2.5 0.176 -46.1 0.296 -175.6
31.0 0.815 143.5 1.240 -6.3 0.175 -48.5 0.292 -179.4
32.0 0.816 138.1 1.217 -11.6 0.173 -52.9 0.290 176.4
33.0 0.801 133.0 1.165 -16.2 0.170 -57.2 0.277 169.0
34.0 0.808 126.0 1.135 -21.5 0.169 -62.0 0.275 162.0
35.0 0.811 120.1 1.092 -26.5 0.168 -66.3 0.268 149.4
36.0 0.830 111.8 1.049 -31.6 0.163 -72.0 0.295 137.7
37.0 0.857 106.2 0.996 -37.4 0.160 -77.8 0.319 125.0
38.0 0.883 100.1 0.952 -43.0 0.158 -83.8 0.359 116.9
39.0 0.914 94.9 0.890 -49.1 0.155 -88.9 0.405 109.5
40.0 0.918 91.0 0.821 -54.9 0.148 -95.5 0.453 106.1
PDF 
ZIP