0182998 ACRIAN INC 87D 01159 D 0182998 00011549 8 IGENERAL DESCRIPTION The 0204-125 balanced transistor is designed to operate Class, A, AB or C over the 225-400MHz frequency range. It is an improved drop-in replacement for the BAL0204-125. Gold metallization and silicon diffused resistors provide UHF COMMUNICATIONS | ruggedness and reliability. K Goad " (2 pis) ABSOLUTE MAXIMUM RATINGS Maximum Power Dissipation @ 25 C Case Temperature 270 W R Maximum Voltage and Current J BVces Collector to Emitter Voltage 60 V (typ) BVebo Emitter to Base Voltage 4.0 V yP k Collector Current 16.0 A L D (2 pis) Maximum Temperatures 0 Storage Temperature -65 to +1 50, Operating Junction Temperature +200 C POWER OUTPUT VS POWER INPUT -7 plice Millimeter | TOL (TYPICAL) L2:E . . T L3:B 1 ~ Vec=28 V 0.13 f=400 MHz E < = ~ 150 fe > o. E ; 100 fr = - 5 50 / o 0 7.5 15 22.6 30 POWER INPUT (WATTS) 490 Race Street, San Jose, CA 95126 - Phone (408) 294-4200, TWX (910) 338-2172 Ewenny Rd., Bridgend, Mid Glamorgan, CF31 3LQ, United Kingdom, Phone (0656) 68021 Printed in USA 1410182998 ACRIAN INC 97D 01160 ) . TV? DE 01624948 coolio y i ELECTRICAL CHARACTERISTICS T-33-15 SYMBOL CHARACTERISTICS TEST CONDITIONS MIN. TYP. MAX. UNITS Pout! Power Output f= 400MHz Class C 125 Watts Pin! Power Input At Rated Power Out, Vec= 28 25 Watts Pg! Power Gain 7 dB BVebo! Voltage - Emitter to Base lex 10mA 4.0 Volts BVces! Voltage - Collector to Emitter Ic= 100mA 60 Volts BVceo! Voltage - Collector to Emitter Ic= 100mA 32 Volts vswr! Load Mismatch Tolerance Vcb=x 28V, Po = 125W 5:1 Ne Collector Efficiency At Rated Power Out 60 % Cob! Conan se Veb= 28V,. fe 1MHz 140 pF ie! DC-Current Gain fe= 1A, Vce= 5V 20 100 jc Thermal Resistance TC= 125C 0.65 cw NOTE 1: Perside, POWER GAIN VS FREQUENCY (TYPICAL) 18 a a = ~ 216 ra) z z 12 14 z f "eee Oo oa 9 ae ii =] 12 = ps o o - a oO 6 wt 10 ond O oO 200 300 ~- 400 FREQUENCY (MHz) DC SAFE OPERATING AREA (TYPICAL) i Te = 25C \ \ N 6 12 18 24 30 Vce (VOLTS) SPECIFICATIONS MAY BE SUBJECT TO CHANGE WITHOUT NOTICESERIES INPUT RESISTANCE (OHMS) 0182998 ACRIAN INC 970 0116 D T-33-15 9? DE 0O18e90I8 OOO &b SERIES INPUT IMPEDANCE VS SERIES LOAD IMPEDANCE VS FREQUENCY (TYPICAL) FREQUENCY (TYPICAL) a a = = =r = x og 2 sy Bs q z Ny - Gg @ i, : 8 ne nd a Yh, i] 1 45 Q 3 fe a. oO My z ual Nn, cc cc xX m 0 3 60 oO 2 a 200 300 400 200 300 400 . FREQUENCY (MHZ) FREQUENCY (MHZ) SPECIFICATIONS MAY BE SUBJECT TO CHANGE WITHOUT NOTICE SERIES LOAD REACTANCE (OHMS)0182998 ACRIAN INC 97D 01162 D 7-33-15 4? De Mo1aes98 ooo1e a T. TEST CIRCUIT OF A 125 WATT, 225-400MHZ AMPLIFIER WITH A 0204-125 BALANCED TRANSISTOR CAPACITORS INDUCTORS Ci,c2 39 pF caramic chip capacitor L1,L2,L3,L4,L5,L6,L7,L8 printed on circuit board c3 33 pF ceramic chip capacitor L9,L12 4.7 WH RF choke C4 56 pF ceramic chip capacitor L10,L11,L13,L14 0.1 WH RF choke cs 18 pF ceramic chip capacitor C6,C7,C8 27 pF ceramic chip capacitor RESISTORS cg 0.1 uF ceramic capacitor C10 10 pF electrolytic capacitor R1,R2 10 OHM, 1/4 W TRANSISTOR Q1 0204-125 Center conducter Center conducter (7 \" used not used L | Two pieces of 50 Ohm, 0.34" semirigid coax Two pieces of 50 Ohm, 0.056" semirigid coax soldered to L1 and L2 . soldered to L7 and L8 . on the input circuit board. , on the input circuit board, The coax center conductor is not physically connected to The coax center conductor is not physically connected to L1 in the circuit. L8 in the circuit. SPECIFICATIONS MAY BE SUBJECT TO CHANGE WITHOUT NOTICE jul