Aaa! GENERAL DESCRIPTION The 0912-7 is an internally matched, common base transistor providing 7 watts of pulsed RF output power across the 960-1215 MHz band. This hermetically sealed transistor is specifically designed for avionics pulsed radar applications. ABSOLUTE MAXIMUM RATINGS Maximum Power Dissipation @ 25C Case Temperature 50W Maximum Voltage and Current BVces Collector to Emitter Voltage 60V BVebo Emitter to Base Voltage 4.0V kc Collector Current 10A Maximum Temperatures Storage Temperature -65 to +150C Operating JunctionTemperature +200 C POWER OUTPUT VS POWER INPUT i @ 10 E vo = H- = ~ Bf | KH fi V 5 4 f 0 0.2 0.4 0.6 0.8 1.0 POWER INPUT (WATTS PEAK) L1:C L2:B L3:E Millimeter] TOL | Inches {TOL 17.78 45 490 Race Street, San Jose, CA 95126 63 Phone (408) 294-4200, TWX (910) 338-2172 Ewenny Rd., Bridgend, Mid Giamorgan, CF31 3LQ, United Kingdom, Phone (0656) 68021 REV A JULY 1987 Printed in USA 0152998 ACRIAN INC 37 DE fjo1ee798 ooo1oae Oo & D . T#33-11 ELECTRICAL CHARACTERISTICS | SYMBOL; CHARACTERISTICS TEST CONDITIONS MIN. TYP. MAX. UNITS Pout Power Output f= 960-1215MHz 7 Veo = 50V Watts Pin Power Input Pulse Width = 10 psec 1 | Watts : Duty = 1% ; Pg Power Gain - 10 dB Ne Collector Efficiency f = 1090MHz 25 % VSWR Load Mismatch Tolerance At Rated Power Out 10:1 BVebo | Breakdown Voltage Ic= OA, le= 10mA 4 Volts (Emitter to Base) BVces Breakdown Voltage . Volt (Collector to Emitter) Vbex OV, c= 20mA 60 one Capacitance- Cob Collector to Base Veb = 50V, le=0 6.5 8 pF h fe DC-Current Gain Ic = 100mA, Vcc = 5V 10 120 0 jc Thermal Resistance 3.5 ocw Note 1: To = +25C WIDEBAND CIRCUITY POWER OUTPUT VS FREQUENCY INPUT RETURN LOSS (TYPICAL) (TYPICAL) 2 Pin = 1.0W in a= 1. Fi0 ao = - s .5dB 5 8 aan ae B Pin = 1.0W Pe eseamier Th, - 10sec. 1% 5 6 Pin = 0.75W z Veo = 50V 5 | 10psec. 1% tu = | Voc =50V ra 3 4 -10B |} rr ee 1.0 1.1 1.2 1.0 1.1 1.2 FREQUENCY (GHz) FREQUENCY - GHz SPECIFICATIONS MAY BE SUBJECT TO CHANGE WITHOUT NOTICE ut SERIES INPUT IMPEDANCE (OHMS) 0182998 ACRIAN INC 95pE Wjo1a2998 0001083 1 , D 7-33-11 SERIES INPUT IMPEDANCE VS SERIES LOAD IMPEDANCE VS FREQUENCY (TYPICAL) FREQUENCY (TYPICAL) Q Pin =1W 10sec. 1% i +jX o Voc = 50V T w 20 i PD Z NK z a TOR = +jX Lae < o Leese wal a Pin= 1W w R 10psec.1% Wi Veo = 50V 1.0 1.1 1.2 1.0 1.1 1.2 FREQUENCY (GHz) FREQUENCY (GHz) WIDEBAND CIRCUIT COLLECTER EFFICIENCY VS FREQUENCY (TYPICAL) 50% > S pone.) - li 40% om _ : 7 . ui 30% F , Pin = 1.0W 10sec, 1% Vec =50V 1.0 1.1 1.2 FREQUENCY (GHz) 0182998 ACRIAN INC F? DE powsesis coowoay 3 fo F444, 0912-7 CIRCUIT PC Board Material .010 Dielectric Teflon Fiberglass Z7 =50Q, .062! = .027w x 0.45"L Note: Slide C2 along Z5 for best tuning. Z 9 =5Q, .033! = 0.43"w x 0,23"L Cg = Capacitor, 47 pF ATC Zg =102, .06! = 0.20w x 0.40L C4 = Capacitor, 100 pF ATC Z4 =50Q = .027"w x any convenient length Cg = Capacitor, 12ufd, 75 VDC, Electrolytic Z5 =50Q, 121 = .027"w x 0.86"L L, = Inductor, #18 wire, 1.5" long Cy = Capacitor, .35 - 3.5pF Piston Trimmer R, =Resistor, 10KQ, 1/44W C2 = Capacitor, 47pF ATC Q, = Transistor, Acrian 0912-7 All electrical lengths taken at 1.09 GHz.