Excelics EFA018A-70
DATA SHEET
Low Distortion GaAs Power FET
• NON-HERMETIC LOW COST CERAMIC 70mil PACKAGE
• +18.5dBm TYPICAL OUTPUT POWER
• 10.5dB 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
• Si3N4 PASSIVATION
• ADVANCED EPITAXIAL DOPING PROFILE
PROVIDES HIGH POWER EFFICIENCY,
LINEARITY AND RELIABILITY
ELECTRICAL CHARACTERISTICS (Ta = 25 OC)
SYMBOLS PARAMETERS/TEST CONDITIONS MIN TYP MAX UNIT
P1dB Output Power at 1dB Compression f=12GHz
Vds=6V, Ids=50% Idss f=18GHz 16.5 18.5
18.5 dBm
G1dB Gain at 1dB Compression f=12GHz
Vds=6V, Ids=50% Idss f=18GHz 9.0 10.5
8.0 dB
PAE Power Added Efficiency at 1dB Compression
Vds=6V, Ids=50% Idss f=12GHz
33 %
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=1.0 mA -2.0 -3.5 V
BVgd Drain Breakdown Voltage Igd=0.5mA -10 -15 V
BVgs Source Breakdown Voltage Igs=0.5mA -6 -14 V
Rth Thermal Resistance 480* oC/W
* Overall Rt h depends on case mounting.
MAXIMUM RATINGS AT 25OC
SYMBOLS PARAMETERS ABSOLUTE1 CONTINUOUS2
Vds Drain-Source Voltage 10V 6V
Vgs Gate-Source Voltage -6V -4V
Ids Dra i n Current Idss 40mA
Igsf Forward Gate Current 4mA 0.7mA
Pin Input Power 17dBm @ 3dB Compression
Tch Channel Temperature 175oC 150 oC
Tstg Storage Temperature -65/175oC -65/150 oC
Pt Total Power Dissipation 285mW 240mW
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
All Dimensions In mils.
SS
D
G
(All Leads)
40
20
44
19
4
70
180 Min.
EFA018A-70
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 0.992 -15.2 2.467 164.6 0.013 80.7 0.813 -9.6
2.0 0.973 -31.3 2.404 148.7 0.024 66.9 0.799 -21.0
3.0 0.948 -47.1 2.307 133.4 0.033 56.3 0.788 -32.1
4.0 0.927 -62.2 2.278 119.2 0.040 47.1 0.778 -40.9
5.0 0.896 -76.8 2.271 105.4 0.046 38.0 0.757 -49.5
6.0 0.862 -89.8 2.217 91.4 0.050 28.7 0.730 -60.6
7.0 0.824 -103.6 2.144 77.5 0.050 18.8 0.709 -71.2
8.0 0.785 -116.7 2.099 64.5 0.047 8.7 0.679 -80.0
9.0 0.745 -137.4 2.141 50.1 0.043 6.9 0.675 -85.5
10.0 0.712 -157.8 2.132 34.6 0.041 4.4 0.658 -95.2
11.0 0.685 -167.8 2.113 21.5 0.039 4.7 0.636 -109.4
12.0 0.659 178.6 2.119 8.0 0.039 11.3 0.625 -121.6
13.0 0.661 151.4 2.080 -9.0 0.043 10.3 0.608 -130.8
14.0 0.678 126.4 1.968 -26.0 0.047 7.7 0.598 -141.9
15.0 0.668 112.7 1.941 -42.0 0.053 3.2 0.600 -161.3
16.0 0.663 96.6 1.927 -58.8 0.059 -4.7 0.592 -179.9
17.0 0.681 77.3 1.733 -74.2 0.059 -3.2 0.558 170.3
18.0 0.716 64.4 1.654 -86.1 0.081 -17.9 0.607 158.0
19.0 0.704 48.0 1.596 -103.7 0.070 -34.8 0.622 135.6
20.0 0.736 30.3 1.560 -120.9 0.071 -45.7 0.677 119.0
21.0 0.799 18.9 1.480 -136.6 0.072 -58.3 0.666 107.4
22.0 0.786 7.3 1.378 -151.5 0.067 -77.2 0.676 95.1
23.0 0.753 -11.7 1.305 -170.3 0.060 -97.4 0.674 76.0
24.0 0.771 -30.9 1.249 169.6 0.055 -120.5 0.671 57.6
25.0 0.753 -43.1 1.245 152.3 0.055 -141.1 0.655 42.6
26.0 0.720 -58.4 1.255 136.8 0.060 -161.3 0.649 28.8
