SD1476 RF & MICROWAVE TRANSISTORS TV/LINEAR APPLICATIONS .. .. .. .. . . 55 - 88 MHz 32 VOLTS COMMON EMITTER GOLD METALLIZATION INTERNAL INPUT MATCHING CLASS AB PUSH PULL HIGH SATURATED POWER CAPABILITY DIFFUSED EMITTER BALLAST RESISTORS DESIGNED FOR HIGH POWER LINEAR OPERATION P OUT = 240 W MIN. WITH 12.0 dB GAIN 2 x .437 x .450 2LFL (M165) epoxy sealed ORDER CODE SD1476 BRANDING SD1476 PIN CONNECTION DESCRIPTION The SD1476 is a gold metallized epitaxial silicon NPN planar transistor using diffused emitter ballast resistors for high linearity Class AB operation in VHF and Band I television transmitters and transposers. 1. Collector 2. Base 3. Emitter ABSOLUTE MAXIMUM RATINGS (T case = 25 ° C) Symbol Parameter Value Unit VCBO Collector-Base Voltage 70 V VCEO Collector-Emitter Voltage 40 V VEBO Emitter-Base Voltage 4.0 V Device Current 25 A Power Dissipation 430 W TJ Junction Temperature +200 °C T STG Storage Temperature − 50 to +150 °C 0.4 °C/W IC PDISS THERMAL DATA RTH(j-c) Junction-Case Thermal Resistance November 1992 1/8 SD1476 ELECTRICAL SPECIFICATIONS (T case = 25 ° C) STATIC Symbol Value Test Conditions Min. Typ. Max. Unit BVCBO IC = 50mA IE = 0mA 70 — — V BVCER IC = 50mA RBE = 51Ω 68 — — V BVCEO IC = 100mA IB = 0mA 40 — — V BVEBO IE = 20mA IC = 0mA 4.0 — — V I CEO VCE = 30V IE = 0mA — — 10 mA I CBO VCB = 30V IE = 0mA — — 10 mA hFE VCE = 5V IC = 7A 10 — 50 — DYNAMIC Symbol Min. Typ. Max. Unit POUT * f = 88 MHz VCE = 32 V ICQ = 2 x 400mA 240 — — W GP ηc f = 88 MHz VCE = 32 V ICQ = 2 x 400mA 12 — — dB f = 88 MHz VCE = 32 V ICQ = 2 x 400mA 50 — — % COB f = 1 MHz VCB = 28 V — — 220 pF Note: 2/8 Value Test Conditions *1 dB Compression SD1476 TYPICAL PERFORMANCE POWER OUTPUT vs POWER INPUT POWER GAIN vs FREQUENCY THERMAL RESISTANCE vs CASE TEMPERATURE COLLECTOR EFFICIENCY vs FREQUENCY 3/8 SD1476 IMPEDANCE DATA TYPICAL INPUT IMPEDANCE Z IN TYPICAL COLLECTOR LOAD IMPEDANCE Z CL 55 MHz ZIN (Ω) 1.7 j 1.0 ZCL (Ω) 6.1 + j 1.0 65 MHz 1.5 + j 1.3 7.0 + j 2.1 75 MHz 1.0 + j 1.1 6.2 + j 2.0 90 MHz POUT = 240 W VCC = 32 V 0.8 + j 0.4 3.4 + j 4.4 FREQ. 4/8 SD1476 PRINTED CIRCUIT BOARD LAYOUT 5/8 SD1476 TEST CIRCUIT C1 C2 C3, C’3 C4 C5 C6 C7 C8, C’8 C9 C10 C11 C12, C’12 C13, C’13 C14, C’14 6/8 : : : : : : : : : : : : : : 10pF + 33pF, ATC 100B 47pF, ATC 100B 1.5nF + 2.2nF, ATC 100B 4 - 60pF, Arco 404 2 x 100pF + 47pF, ATC 100B 2 x 330pF + 3 x 180pF +270pF, ATC 100B 150pF + 10pF, ATC 100B 4.7nF, ATC 100B 4 - 40pF, Arco 403 10pF, ATC 100B 43pF, ATC 100B 1µF 63V, LCC CPM13B 82nF 100V, LCC 745 270nF 63V, LCC7950 L1, L7 L2 L3, L’3 L4, L’4 L5, L’5 L6 L8, L’8 L9, L’9 : : : : : : : : 4 Turns Diameter 7mm, Wire Diameter 1.5mm 7 Turns Diameter 25mm, Coaxial Cable Zc = 25Ω 2 Turns Diameter 2.5mm, Wire Diameter 0.8mm Length 15mm, Wire Diameter 1.5mm Length 30mm, Wire Diameter 1.5mm 6 Turns Diameter 25mm, Coaxial Cable Zc = 25Ω 16 Turns Diameter, Wire Diameter 1.5mm 1 Turn, Wire Diameter 1.5mm in Ferrite (stackpole 57 33 12) L10, L’10 L11, L’11 : 14 Turns, Wire Diameter 0.6mm Around Resistor 1W R1, R’1 R2, R’2 : 180Ω , 1W Material : Epoxy 63 mil, Er = 2.55 SD1476 PACKAGE MECHANICAL DATA Ref.: Dwg. No.12-0165 7/8 SD1476 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use ascritical components in life support devices or systems without express written approval of SGS-THOMSON Microelectonics. 1994 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A 8/8