SD1490 RF & MICROWAVE TRANSISTORS TV/LINEAR APPLICATIONS .. .. .. . .. . 470 - 860 MHz 28 VOLTS CLASS A PUSH PULL DESIGNED FOR HIGH POWER LINEAR OPERATION HIGH SATURATED POWER CAPABILITY GOLD METALLIZATION DIFFUSED EMITTER BALLAST RESISTORS COMMON EMITTER CONFIGURATION INTERNAL INPUT MATCHING P OUT = 25 W MIN. WITH 9.0 dB GAIN .438 x .450 2LFL (M173) epoxy sealed ORDER CODE SD1490 BRANDING SD1490 PIN CONNECTION DESCRIPTION The SD1490 is a gold metallized epitaxial silicon NPN planar transistor using diffused emitter ballast resistors for high linearity Class A operation in UHF and Band IV, V 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 45 V VCEO Collector-Emitter Voltage 30 V VEBO Emitter-Base Voltage 3.0 V 8 A Power Dissipation 135 W TJ Junction Temperature +200 °C T STG Storage Temperature − 50 to +150 °C 1.3 °C/W IC PDISS Device Current THERMAL DATA RTH(j-c) June 1993 Junction-Case Thermal Resistance 1/6 SD1490 ELECTRICAL SPECIFICATIONS (T case = 25 ° C) STATIC Symbol Value Test Conditions Min. Typ. Max. Unit BVCBO IC = 50mA IE = 0mA 45 — — V BVCEO IC = 200mA IB = 0mA 30 — — V BVEBO IE = 10mA IC = 0mA 3.0 — — V I CEO VCE = 25V IE = 0mA — — 5 mA hFE VCE = 5V IC = 3A 10 — 80 — DYNAMIC Symbol Value Test Conditions Min. Typ. Max. Unit POUT f = 860 MHz VCE = 25 V IC = 3.2 A 25 — — W GP f = 860 MHz VCE = 25 V IC = 3.2 A 8.0 — — dB CMOD f = 860 MHz VCE = 25 V PREF = 25 W — — 20 % IMD3* f = 860 MHz VCE = 25 V PREF = 25 W — — −45 dB f = 1 MHz VCB = 28 V — 70 — pF COB Note: 2/6 * 3 Tone Testing ( − 8, − 10, − 16 dB Rel ati ve to P RE F) SD1490 TYPICAL PERFORMANCE POWER OUTPUT vs POWER INPUT BROADBAND POWER GAIN vs FREQUENCY THERMAL RESISTANCE vs CASE TEMPERATURE CROSS MODULATION & INTERMODULATION vs PEAK SYNC OUTPUT 3/6 SD1490 IMPEDANCE DATA ZIN ZCL 4/6 FREQ. ZIN (Ω) ZCL (Ω) 470 MHz 7.5 + j 9.5 25 + j 7.5 590 MHz 8.2 + j 7.5 15.6 − j 0.13 710 MHz 6.6 + j 6.2 11.9 − j 0.28 860 MHz 4.7 + j 3.0 POUT = 25 W VCC = 25 V IC = 3.2 A Normalized to 50 Ohms 6.7 − j 0.38 SD1490 TEST CIRCUIT Coaxial Cable Zo = 50Ω Length λ/4 at 680 MHz Printed Transmission Line Zo = 25Ω Length 12mm Printed Transmission Line Zo = 25Ω Length 12mm Printed Transmission Line Zo = 25Ω Length 10mm Printed Transmission Line Zo = 25Ω Length 9mm Printed Transmission Line Zo = 25Ω Length 5.5mm Printed Transmission Line Zo = 25Ω Length 6mm Printed Transmission Line Zo = 25Ω Length 14.5mm Printed Transmission Line Zo = 25Ω Length 10mm Printed Transmission Line Zo = 25Ω Length 7mm C1 C2, C’2 C3, C12 C4, C5 C6 C7 C8 C9 C10, C’10 C11, C’11 : : : : : : : : : : 1.5pF ATC 100A 100pF ATC 100A .5 - 4.5pF Airtronic Adjustable 2.7pF ATC 100A 10pF ATC 100A 18pF ATC 100A 6.8pF ATC 100A 1.5pF ATC 100A + 1.8pF ATC 100A 100pF ATC 100A 120pF ATC 100A L L1 L2 L3 L4 L5 L6 L7 L8 L9 : : : : : : : : : : Cd1 Cd2 Cd3 Cd4 Cd5 Cd6 Cd7 : : : : : : : 100pF ATC 100A 47pF AATC 100B + 1000pF ATC 100B 500µF 25V 100pF ATC 100A 22µF 35V 1000pF ATC 100B 47µF 63V R1 R2 : 150 Ω 1/4 W : 51 Ω 1/4 W S1, S’1 : 10 Turns of .35mm Wire on 2mm Diameter S2 : 9 Turns of .35mm Wire on R1 S3 : 2 Turns of .8mm Wire on 4mm Diater S4 : 5 Turns of .8mm Wire on R2 Board: Er = 2.55, .020” Thick TEST CIRCUIT LAYOUT 5/6 SD1490 PACKAGE MECHANICAL DATA Ref.: Dwg. No.12-0173 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 6/6