2A5/2A5A 0.5 Watts, 20 Volts, Class A Linear to 2000 MHz GENERAL DESCRIPTION The 2A5/2A5A is a COMMON EMITTER transistor capable of providing 0.5 Watt of Class A, RF output power to 2000 MHz. This transistor is specifically designed for general Class A amplifier applications. It utilizes gold metalization and diffused ballasting to provide high reliability and supreme ruggedness. ABSOLUTE MAXIMUM RATINGS Maximum Power Dissipation @ 25oC Maximum Voltage and Current BVces Collector to Emitter Voltage BVebo Emitter to Base Voltage Ic Collector Current Maximum Temperatures Storage Temperature Operating Junction Temperature CASE OUTLINE 2A5 - 55ET, STYLE 2 2A5A - 55EU, STYLE 2 5.3 Watts 50 Volts 3.5 Volts 300 mAmps - 65 to + 150 oC + 200 oC ELECTRICAL CHARACTERISTICS @ 25 OC SYMBOL CHARACTERISTICS TEST CONDITIONS MIN TYP Pout Pin Pg Ft VSWR Power Out Power Input Power Gain Transition Frequency Load Mismatch Tolerance F = 2000 MHz Ic = 140 mA Vcc = 20 Volts Vce = 20 V, Ic = 140 A 0.5 0.8 BVebo BVces BVceo hFE Cob θjc Emitter to Base Breakdown Collector to Emitter Breakdown Collector to Emitter Breakdown DC Current Gain Capacitance Thermal Resistance MAX 0.1 7.0 3.4 9.0 3.7 UNITS Watts Watts dB GHz 30:1 Ie = 1 mA Ic =10 mA Ic = 10 mA Vce = 5 V, Ic = 100 mA Vcb = 28V, f = 1 MHz 3.5 50 22 20 Volts Volts Volts 2.0 30 3.0 33 o pF C/W Issue August 1996 GHz TECHNOLOGY INC. RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE. GHz RECOMMENDS THAT BEFORE THE PRODUCT(S) DESCRIBED HEREIN ARE WRITTEN INTO SPECIFICATIONS, OR USED IN CRITICAL APPLICATIONS, THAT THE PERFORMANCE CHARACTERISTICS BE VERIFIED BY CONTACTING THE FACTORY. GHz Technology Inc. 3000 Oakmead Village Drive, Santa Clara, CA 95051-0808 Tel. 408 / 986-8031 Fax 408 / 986-8120 2A5/2A5A 2A5-3 (20V, 140mA) MMICAD for Windows Thu Jul 07 09:56:25 1994 CIRCUIT: MES FREQ --- S11 --MAG ANG --- S21 --MAG ANG 0.100 0.200 0.300 0.400 0.500 0.600 0.700 0.800 0.900 1.000 1.100 1.200 1.300 1.400 1.500 1.600 1.700 1.800 1.900 2.000 2.100 2.200 2.300 2.400 2.500 2.600 2.700 2.800 2.900 3.000 0.52879 -117.998 0.61759 -151.661 0.64545 -167.228 0.65520 -178.012 0.66193 173.801 0.66959 166.977 0.67554 161.011 0.68334 155.392 0.68969 150.077 0.69739 145.070 0.70414 140.248 0.71183 135.592 0.72220 131.207 0.73246 126.890 0.74195 122.661 0.75065 118.500 0.76066 114.498 0.77380 110.522 0.78718 106.436 0.79076 102.192 0.79314 98.6537 0.79667 95.4368 0.80251 92.4528 0.81348 89.3710 0.82431 86.2156 0.83083 83.1092 0.83713 80.0668 0.84300 77.1331 0.84789 74.2832 0.85279 71.5374 18.4557 127.431 11.3148 105.348 7.96244 91.2929 6.09583 82.1823 4.91752 75.3585 4.12241 68.7364 3.54252 61.8562 3.10637 55.9376 2.76675 50.3172 2.49340 44.9852 2.26822 39.7443 2.07740 34.5640 1.91464 29.4903 1.77187 24.5941 1.64818 19.9231 1.54082 15.3329 1.44313 10.7216 1.35564 6.26720 1.27690 1.91097 1.19961 -2.39805 1.13086 -6.37123 1.06699 -10.3052 1.00767 -14.0712 0.95315 -17.4445 0.90584 -20.7033 0.86287 -24.0047 0.82006 -27.2635 0.77965 -30.2017 0.74170 -32.9692 0.70524 -35.6052 --- S12 --MAG ANG 0.02250 0.02976 0.03427 0.03887 0.04419 0.05005 0.05599 0.06244 0.06945 0.07696 0.08506 0.09339 0.10226 0.11108 0.12059 0.13091 0.14121 0.15260 0.16382 0.17499 0.18658 0.19816 0.21018 0.22215 0.23471 0.24801 0.26145 0.27457 0.28780 0.29968 52.0618 44.5916 46.5294 48.7447 51.4514 53.2026 55.1416 56.0621 56.6320 57.0929 57.1476 56.5165 55.9061 54.8257 53.8989 52.5170 51.0474 49.2030 47.1716 45.0008 42.7961 40.4822 38.1231 35.7435 33.3298 30.7458 27.9147 25.0567 22.1275 19.1213 --- S22 --MAG ANG 0.68993 -29.4704 0.50829 -35.7179 0.43520 -37.0060 0.40250 -38.3410 0.38565 -40.5384 0.37572 -43.3873 0.36943 -46.8267 0.36475 -50.7590 0.36179 -54.9437 0.36000 -59.5913 0.35912 -64.4455 0.35815 -69.7438 0.35787 -75.1564 0.35863 -80.7170 0.36023 -86.6042 0.36439 -92.7388 0.36592 -99.0128 0.37043 -105.261 0.37564 -111.404 0.38224 -118.087 0.38850 -124.433 0.39591 -131.094 0.40473 -137.685 0.41241 -144.038 0.42284 -150.204 0.43537 -156.685 0.44725 -163.038 0.45986 -169.254 0.47215 -175.441 0.48247 178.257 2A5A-1 (20V, 140mA) MMICAD for Windows Mon Aug 29 11:12:33 1994 CIRCUIT: MES FREQ --- S11 --Mhz MAG ANG 0.100 0.200 0.300 0.400 0.500 0.600 0.700 0.800 0.900 1.000 1.100 1.200 1.300 1.400 1.500 1.600 1.700 1.800 1.900 2.000 2.100 2.200 2.300 2.400 2.500 2.600 2.700 2.800 2.900 3.000 0.62445 -116.709 0.67709 -150.120 0.68820 -165.574 0.69586 -175.471 0.70045 177.083 0.70518 170.947 0.70912 165.527 0.71502 160.590 0.71974 155.853 0.72491 151.342 0.72914 147.005 0.73418 142.861 0.74063 138.903 0.74764 134.983 0.75544 131.078 0.76205 127.216 0.76805 123.415 0.77474 119.772 0.78245 116.189 0.79031 112.775 0.79773 109.340 0.80514 105.921 0.81242 102.607 0.81971 99.3747 0.82681 96.3032 0.83465 93.1629 0.84039 90.1727 0.84709 87.2807 0.85281 84.3297 0.85725 81.5193 --- S21 --MAG ANG 20.0037 125.053 11.8555 103.946 8.25090 90.4305 6.28753 82.0261 5.07154 75.9798 4.24357 69.7906 3.64688 63.0560 3.20068 57.5940 2.85202 52.3538 2.57405 47.3747 2.34231 42.5142 2.15059 37.7171 1.98608 33.0468 1.84448 28.4255 1.72161 23.8413 1.61063 19.4169 1.51266 15.0815 1.42427 10.8062 1.34484 6.60340 1.27131 2.46904 1.20212 -1.60222 1.13808 -5.51514 1.07928 -9.30690 1.02455 -12.9595 0.97491 -16.4948 0.92730 -19.9990 0.88179 -23.4115 0.83824 -26.6846 0.79691 -29.7720 0.75737 -32.6610 --- S12 --MAG ANG 0.02426 0.03000 0.03337 0.03787 0.04189 0.04657 0.05142 0.05698 0.06254 0.06910 0.07534 0.08228 0.08981 0.09720 0.10512 0.11337 0.12219 0.13132 0.14059 0.14991 0.15940 0.16938 0.18023 0.19078 0.20189 0.21242 0.22325 0.23374 0.24469 0.25511 46.1536 39.8099 40.6251 43.8655 46.9711 49.2779 51.4143 52.9556 54.2064 55.1832 55.4525 55.8119 55.6233 55.1787 54.6660 53.8677 52.8433 51.5657 50.0797 48.4857 46.9302 45.2991 43.4204 41.2543 39.0323 36.6269 34.2330 31.7565 29.2078 26.6137 --- S22 --MAG ANG 0.65221 -34.0681 0.46694 -38.4638 0.39943 -38.7400 0.36952 -39.4519 0.35655 -41.1805 0.34911 -43.8513 0.34592 -47.1002 0.34474 -50.7015 0.34499 -54.5688 0.34592 -58.8284 0.34735 -63.1149 0.35002 -67.6905 0.35230 -72.4400 0.35529 -77.3916 0.35844 -82.2835 0.36144 -87.4860 0.36602 -92.7713 0.37104 -98.2804 0.37600 -103.973 0.38172 -109.725 0.38752 -115.712 0.39358 -121.717 0.40054 -127.771 0.40791 -133.795 0.41687 -139.845 0.42682 -145.981 0.43728 -152.207 0.44874 -158.301 0.46021 -164.236 0.47261 -170.030