0405SC-1500M

0405SC-1500M Rev B 0405SC-1500M 1500Watts, 125 Volts, Class AB 406 to 450 MHz Silicon Carbide SIT PRELIMINARY SPECIFICATION GENERAL DESCRIPTION The 0405SC-1500M is a Common Gate N-Channel DEPLETION MODE Class AB SILICON CARBIDE (SiC) STATIC INDUCTION TRANSISTOR (SIT) capable of providing 1500 Watts of RF power from 406 to 450 MHz. The transistor is designed for use in High Power Amplifiers supporting applications such as UHF Weather Radar and Long Range Tracking Radar. The device is an addition to a series of High Power Silicon Carbide Transistors from Microsemi PPG. CASE OUTLINE 55ST FET (Common Gate) ABSOLUTE MAXIMUM RATINGS Voltage and Current Drain-Source (VDSS) Gate-Source (VGS) Temperatures Storage Temperature Operating Junction Temperature 250V -1V -65 to +150°C +250°C ELECTRICAL CHARACTERISTICS @ 25°C SYMBOL Idss Igss θJC1 CHARACTERISTICS Drain-Source Leakage Current Gate-Source Leakage Current Thermal Resistance TEST CONDITIONS VGS = -20V, VDG= 125V VGS = -20V, VDS = 0V MIN TYP MAX 750 50 0.15 UNITS µA µA ºC/W FUNCTIONAL CHARACTERISTICS @ 25°C, Vdd = 125V, Idq(ave) = 125 mA, Freq = 406, 425, 450 MHz, GPG Pin ηd ψ Po +1dB Vgs Common Gate Power Gain Input Power Drain Efficiency Load Mismatch Power Output – Higher Drive Gate source Voltage Pout = 1500 W, Pulsed Pulse Width = 300us, DF = 6% F = 450 MHz, Pout =1500W F = 420 MHz, Pout = 1500W F = 450 MHz, Pin = 255 W Set for Idq(ave) = 125mA 7.5 50 8.0 250 55 1600 3.0 10.0 270 5:1 W Volts dB W % Note 1: Thermal Resistance rating is with operating conditions as a Pulsed RF transistor as listed under the Functional Characteristics Note 2: Product Available May 2010 Rev B – Mar 2010 Microsemi RFIS SC. 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. 0405SC-1500M Rev B 0405SC-1500M Typical RF Performance Curve 0 405SC-1500M: Pin vs Pout 450MHz, Vdd=125V, 300us 6% 1800 1600 1400 1200 Pout (W) 1000 800 600 400 200 0 0 50 100 150 Pin (W) 200 250 10 9 8 7 6 5 4 3 2 1 0 300 Pout Gain 0 405SC-1500M: Pin vs Drain Eff 450MHz, Vdd=125V, 300us 6% 60% 50% Drain Eff (%) 40% 30% 20% 10% 0% 35 40 45 Pin (dBm ) 50 55 Drain Ef f Microsemi RFIS SC. 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. 0405SC-1500M Rev B 0405SC-1500M Test Circuit board 0405SC-1500M Test Circuit Component Designations and Values Part C1, C7, C8, C17 C3, C4, C5, C6, C11, C13 C2 , C15 C12, C14 C16 C9 C10 PCB L2, L3 L1, L4 Description 330pF Chip Capacitor (ATC 100B) 20pF Chip Capacitor (ATC 100B) 15pF Chip Capacitor (ATC 100B) 24pF Chip Capacitor (ATC 100B) 4.7pF Chip Capacitor (ATC 100B) 1000uF 160V Electrolytic Capacitor 1uF Chip Capacitor Rogers 4350, εr=3.48, 30mils, 1oz 7 Turns, 18AWG, IDIA 0.2” Ferrite Coil Inductor Part Z1 Z2 Z3 Z4 Z5 Z6 Z7 Z8 Z9 Z10 Note: Description 65 x 960 mils (W x L) 65 x 650 mils (W x L) 865 x 450 mils (W x L) 1125 x 500 mils (W x L) 1216 x 420 mils (W x L) 936 x 750 mils (W x L) 65 x 732 mils (W x L) 65 x 406 mils (W x L) 65 x 214 mils (W x L) 50 x 495 mils (W x L) All Z length dimensions include bends Microsemi RFIS SC. 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. 0405SC-1500M Rev B 0405SC-1500M Impedance Information – Update in Process Input Matching Network Output Matching Network ZS ZL Typical Impedance Values Frequency (MHz) 406 425 450 ZS(Ω) 0.69 – j1.75 0.72 – j1.52 0.79 – j1.24 ZL(Ω) 1.11 – j0.37 1.27 – j0.19 1.52 – j0.06 * VDD = 125V, IDQ = 125mA avg, Pout = 1500W * Pulse Format: 300µs, 6% Long Term Duty Factor . Microsemi RFIS SC. 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. 0405SC-1500M Rev B 0405SC-1500M Case Outline 55 ST FET Microsemi RFIS SC. 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.