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| MDS140L 140 Watts, 50 Volts Pulsed Avionics 1030 to 1090 MHz GENERAL DESCRIPTION The MDS140L is a high power COMMON BASE bipolar transistor. It is designed for MODE-S ELM systems in the frequency band 1030-1090 MHz. The device has gold thin-film metallization and diffused ballasting for proven highest MTTF. The transistor includes input and output prematch for broadband capability. Low thermal resistance package reduces junction temperature, extends life. CASE OUTLINE 55AW Style 1 (Common Base) ABSOLUTE MAXIMUM RATINGS Power Dissipation 500 Device Dissipation @25C (Pd) Voltage and Current Collector to Base Voltage (BVCES) 70 Emitter to Base Voltage (BVEBO) 3.0 Collector Current (IC) 12 Temperatures Storage Temperature -65 to +150 Operating Junction Temperature +200 W (At rated pulse condition) V V A C C ELECTRICAL CHARACTERISTICS @ 25C SYMBOL IEBO BVCBO BVCES ICES hFE jc1,2 CHARACTERISTICS Emitter to Base Leakage Collector to Base Breakdown Collector to Emitter Breakdown Collector to Emitter Leakage DC - Current Gain Thermal Resistance TEST CONDITIONS VEB = 3.0 V IC = 20 mA IC = 20 mA VCE = 50.0 V IC = 1A, VCE = 5V MIN 70 70 3.0 20 0.15 TYP MAX 4.5 UNITS mA V V mA C/W FUNCTIONAL CHARACTERISTICS @ 25C SYMBOL Pout Pin Gp c Pd Tr1 NOTES: CHARACTERISTICS Power Out Power Input Power Gain Collector Efficiency Pulse Droop Rise Time Load Mismatch TEST CONDITIONS F = 1030/1090 MHz VCC = 50V Pin = 15.7W ELM Burst: 32us(On), 18us(Off), N=48, Period=23ms MIN 140 TYP MAX 15.7 UNITS W W dB % dB ns - 9.5 50 0.5 100 2:1 1. At rated output power, pulse conditions and MSC fixture 2. ELM Burst Pulse: 32us(On), 18us(Off), N=48, Period=23ms Rev. A : Oct. 2008 Microsemi reserves the right to change, without notice, the specifications and information contained herein. Visit our web site at www.microsemi.com or contact our factory direct. MDS140L Typical Performance (1030/1090 MHz) Input/Output 200.0 180.0 12.00 11.00 Gain Ouput Power (W) 160.0 Gain (dB) 140.0 120.0 100.0 80.0 60.0 40.0 10.00 9.00 8.00 7.00 1030MHz 20.0 0.0 4.0 6.5 9.0 11.5 14.0 6.00 5.00 0.0 50.0 100.0 150.0 1030MHz 1090MHz 200.0 1090MHz 16.5 19.0 Input Pow er (W ) Output Pow er (W ) Input Return Loss 0.00 80.0% 70.0% Efficiency Input Return Loss (dB) 1030MHz 1090MHz Effi. (%) -5.00 60.0% 50.0% 40.0% 30.0% -10.00 -15.00 -20.00 20.0% -25.00 10.0% 0.0% 1030MHz 1090MHz 0.0 50.0 100.0 150.0 200.0 -30.00 0.0 50.0 100.0 150.0 200.0 Output Pow er (W ) Output Pow er (W ) Microsemi reserves the right to change, without notice, the specifications and information contained herein. Visit our web site at www.microsemi.com or contact our factory direct. MDS140L MDS140L Test Circuit Layout Part C01, C02 C04 R01 M01 M03 M05 M07 M09 M11 M13 M15 MDS140L Test Circuit Component Designations and Values Description Part Description 100pF Chip Capacitor (ATC 600F) C03 100nF Chip Capacitor (ATC 200B) 2200uF, 63V Electrolytic Capacitor L01 18 AWG, Length: 0.85 2.4, 1/4W Radial Resistor, R02 2.4, 1/4W Chip Resistor Length: 0.85 22 x 650 mils (W x L) M02 160 x 50 mils (W x L) 340 x 170 mils (W x L) M04 120 x 200 mils (W x L) 800 x 300 mils (W x L) M06 75 x 467 mils (W x L) 1260 x 400 mils (W x L) M08 840 x 180 mils (W x L) 390/340 x 50 mils (W1/W2 x L) M10 22 x 120 mils (W x L) 170 x 200 mils (W x L) M12 340 x 100 mils (W x L) 420 x 80 mils (W x L) M14 22 x 60 mils (W x L) 22 x 220 mils (W x L) PCB Rogers RT6010.2, r=10.2, 25mils, 1oz Microsemi reserves the right to change, without notice, the specifications and information contained herein. Visit our web site at www.microsemi.com or contact our factory direct. MDS140L Typical Impedance Values Input Matching Network DUT Output Matching Network ZS ZL Frequency (MHz) 1030 1090 ZS () 3.13 - j4.53 2.58 - j3.45 ZL () 1.83 - j0.92 1.37 - j1.12 * VCC = 50V, PIN = 15.7W POUT > 140W * Pulse Format: PW = 10s, DF = 10% Microsemi reserves the right to change, without notice, the specifications and information contained herein. Visit our web site at www.microsemi.com or contact our factory direct. MDS140L Microsemi reserves the right to change, without notice, the specifications and information contained herein. Visit our web site at www.microsemi.com or contact our factory direct. |
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