0182998 ACRIAN INC 47 DE porsessa 0001085 s D 7~-33-1 ASE ZES GENERAL DESCRIPTION The 0912-25 is an internally matched, common base transistor providing 25 watts of pulsed RF output power across the 960-1215 MHz bandwidth. This hermetically sealed transistor is specifically designed for avionics pulsed radar applications. ABSOLUTE MAXIMUM RATINGS Maximum Power Dissipation @ 25% Case Temperature 125W Maximum Voltage and Current BVces Collector to Emitter Voltage 60V BVebo Emitter to Base Voltage 4.0 V Ic Collector Current 2.5A Maximum Temperatures L1:c Millimeter] TOL | Inches | TOL Storage Temperature -65 to +150C L2:B : : : Operating JunctionTemperature +200C L3:E 005 POWER OUTPUT VS POWER INPUT . 130 (TYPICAL) 13 [| 21 13 @ 40 E LL Lf. ~ 30 7 5 FE / > 3 20 7 ec = - 5 10 / a 1 2 3 4 POWER INPUT (WATTS PEAK) 490 Race Street, San Jose, CA 95126 Phone (408) 294-4200, TWX (910) 338-2172 REV A JULY 1987, Ewenny Rd., Bridgend, Mid Glamorgan, CF31 3LQ, United Kingdom, Phone (0656) 68021 sr Printed in USA 0182998 ACRIAN INC } tL a7 DE Jo.sessa oo0L0a4 7 i Doo 7-33-13 ELECTRICAL CHARACTERISTICS ' SYMBOL CHARACTERISTICS TEST CONDITIONS MIN. TYP. MAX. UNITS Pout2 | Power Output f=960 MHz, 1090 MHz, 1215 MHz 25 Watts Pin2 Power Input At Rated Power Out 3.5 | Watts Pg2 Power Gain At Rated Power Out . 10 dB Ne Collector Efficiency f= 1090 MHz 45 % VSWR2 Load Mismatch Tolerance At Rated Power Out 10:1 BVebo Voltage - Emitter to Base lez 25mA 4.0 Volts BVces Voltage - Collector to Emitter Ic= 60mA 55 Volts Capacitance- Cob Collector to Base Veb= 50V, le= 0 14 17 | pF h FE DG-Current Gain kc = 200mA, Voce = 5V 10 8, Thermal Resistance 1.4 | c/w Note 1: To = +25C Note 2: Pulse width=10psec, duty cycle=1%, Vec=50V POWER OUTPUT VS FREQUENCY ~ WIDEBOARD CIRCUIT (TYPICAL) INPUT RETURN LOSS (TYPICAL) Pin= 3.5W Pin= 3.5W =~ 10 microsecs F 50 @1% duty ] _ < Vec= 50V a = zs ~ 40 | .10 3 30 z an i to = ft oO 20 =20 a 1.0 1.1 1.2 yd FREQUENCY (GHz) 1.0 1.1 1.2 FREQUENCY (GHz) SPECIFICATIONS MAY BE SUBJECT TO CHANGE WITHOUT NOTICE - 0182998 ACRIAN INC q? DE orsessa 0001087 4 T SERIES INPUT IMPEDANCE VS FREQUENCY (TYPICAL) SERIES LOAD IMPEDANCE VS FREQUENCY (TYPICAL) T-33-13 PC Board Material .010" Dielectric Teflon Fiberglass + Zi=500,.112! ,.027w X 834L Z2=90, 116! ,.22w X 8tiL Z3 =50Q, .7! ,.027w X .1.2L Move along Z3 for best tuning Z4=10Q,.04!, 2w X 28 275 = 18.3.0, .25 ,.1w X .18L C1 , C2 = Capacitor, .35 - 3.5 pF piston trimmer C3 , C5 = Capacitor, 47 pF "B" (100mil) ATC C4 = Capacitor, 50 pf 75 V electrolytic L1 = Inductor, #18 wire 1 1/2 turns 1/4" diameter Q1 =CTC 0912-25 aw 10 a 8 2 " = = S . ttle 5 8 _ @ 6 | z wai nm 6 % 4 TT] -_ o R o 4 2 ae +jX 1.0 1.1 1.2 1.0 1.1 1.2 FREQUENCY (GHZ) FREQUENCY (GHZ) TEST CIRCUIT 50 VDC Ly Input 50 Ohm 50 Ohm Output , 24 j Zo [25 | o Cs A I, v 4