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SD1490 RF & MICROWAVE TRANSISTORS TV/LINEAR APPLICATIONS .470 .28 .CLASS .DESI .HI .GOLD .DI .COMMON .I .P - 860 MHz VOLTS A PUSH PULL GNED FOR HIGH POWER LINEAR OPERATION GH SATURATED POWER CAPABILITY METALLIZATION FFUSED EMITTER BALLAST RESISTORS EMITTER CONFIGURATION N TERNAL INPUT MATCHING 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. ABSOLUTE MAXIMUM RATINGS (T case = 25 C) Symbol Parameter Value Unit 1. Collector 2. Base 3. Emitter VCBO VCEO VEBO IC PDISS TJ T STG Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Device Current Power Dissipation Junction Temperature Storage Temperature 45 30 3.0 8 135 +200 - 50 to +150 V V V A W C C THERMAL DATA RTH(j-c) June 1993 Junction-Case Thermal Resistance 1.3 C/W 1/6 SD1490 ELECTRICAL SPECIFICATIONS (T case = 25 C) STATIC Symbol Test Conditions Value Min. Typ. Max. Unit BVCBO BVCEO BVEBO I CEO hFE IC = 50mA IC = 200mA IE = 10mA VCE = 25V VCE = 5V IE = 0mA IB = 0mA IC = 0mA IE = 0mA IC = 3A 45 30 3.0 -- 10 -- -- -- -- -- -- -- -- 5 80 V V V mA -- DYNAMIC Symbol Test Conditions Value Min. Typ. Max. Unit POUT GP CMOD IMD3* COB Note: f = 860 MHz f = 860 MHz f = 860 MHz f = 860 MHz f = 1 MHz - 8, VCE = 25 V VCE = 25 V VCE = 25 V VCE = 25 V VCB = 28 V - 10, IC = 3.2 A IC = 3.2 A PREF = 25 W PREF = 25 W 25 8.0 -- -- -- -- -- -- -- 70 -- -- 20 -45 -- W dB % dB pF * 3 Tone Testing ( - 16 dB Rel ati ve to P RE F) 2/6 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 FREQ. 470 MHz 590 MHz 710 MHz ZIN () 7.5 + j 9.5 8.2 + j 7.5 6.6 + j 6.2 ZCL () 25 + j 7.5 15.6 - j 0.13 11.9 - j 0.28 6.7 - j 0.38 860 MHz 4.7 + j 3.0 POUT = 25 W VCC = 25 V IC = 3.2 A Normalized to 50 Ohms 4/6 SD1490 TEST CIRCUIT C1 C2, C'2 C3, C12 C4, C5 C6 C7 C8 C9 C10, C'10 C11, C'11 Cd1 Cd2 Cd3 Cd4 Cd5 Cd6 Cd7 : : : : : : : : : : : : : : : : : 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 100pF ATC 100A 47pF AATC 100B + 1000pF ATC 100B 500F 25V 100pF ATC 100A 22F 35V 1000pF ATC 100B 47F 63V L L1 L2 L3 L4 L5 L6 L7 L8 L9 R1 R2 : : : : : : : : : : Coaxial Cable Zo = 50 Length /4 at 680 MHz Printed Transmission Line Zo = 25 Length 12mm Printed Transmission Line Zo = 25 Length 12mm Printed Transmission Line Zo = 25 Length 10mm Printed Transmission Line Zo = 25 Length 9mm Printed Transmission Line Zo = 25 Length 5.5mm Printed Transmission Line Zo = 25 Length 6mm Printed Transmission Line Zo = 25 Length 14.5mm Printed Transmission Line Zo = 25 Length 10mm Printed Transmission Line Zo = 25 Length 7mm : 150 1/4 W : 51 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. (c) 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 |
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