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| SD1477 RF POWER BIPOLAR TRANSISTORS VHF MOBILE APPLICATIONS FEATURES SUMMARY 175 MHz Figure 1. Package 12.5 VOLTS COMMON EMITTER POUT = 100 W MIN. WITH 6.0 dB GAIN DESCRIPTION The SD1477 is a 12.5 V Class C epitaxial silicon NPN planar transistor designed primarily for VHF FM communications. This device utilizes diffused emitter resistors to withstand extremely high VSWR under rated operating conditions, and is internally input matched to optimize power gain and efficiency over the 136 - 175 MHz band. .500 6L FL (M111) epoxy sealed Figure 2. Pin Connection 1. Collector 2. Base 3. Emitter 4. Emitter Table 1. Order Codes Order Codes SD1477 Marking SD1477 Package M111 Packaging PLASTIC TRAYS REV. 2 June 2004 1/9 SD1477 Table 2. Absolute Maximum Ratings (Tcase = 25C) Symbol VCBO VCEO VCES VEBO IC PDISS TJ TSTG Parameter Collector-Base Voltage Collector-Emitter Voltage Collector-Emitter Voltage Emitter-Base Voltage Device Current Power Dissipation Junction Temperature Storage Temperature Value 36 18 36 4.0 20 270 +200 - 65 to +150 Unit V V V V A W C C Table 3. Thermal Data Symbol RTH(j-c) Parameter Junction-Case Thermal Resistance Value 0.65 Unit C/W ELECTRICAL SPECIFICATIONS (Tcase = 25C) Table 4. Static Value Symbol BVCBO BVCES BVCEO BVEBO ICES hFE Test Conditions Min. IC = 50 mA; IE = 0 mA IC = 100 mA; VBE = 0 V IC = 100 mA; IB = 0 mA IE = 10 mA; IC = 0 mA VCE = 15 V; IE = 0 mA VCE = 5 V; IC = 5 A 36 36 18 4.0 -- 10 Typ. -- -- -- -- -- -- Max. -- -- -- -- 15 -- V V V V mA -- Unit Table 5. Dynamic Value Symbol POUT GP COB Test Conditions Min. f = 175 MHz; PIN = 25 W; VCC = 12.5 V f = 175 MHz; PIN = 25 W; VCC = 12.5 V f = 1 MHz; VCB = 12.5 V 100 6.0 -- Typ. -- -- 350 Max. -- -- -- W dB pF Unit 2/9 SD1477 TYPICAL PERFORMANCE Figure 3. Power Output vs Frequency Figure 4. Power Output vs Power Input 120 VCC = 12.5 V 120 PIN = 25 W 136 MHz 175 MHz 100 Power Output (watts) Power Output (watts) 100 PIN = 20 W 80 PIN = 15 W 80 PIN = 10 W 60 60 40 VCC = 12.5 V 40 20 20 130 140 150 160 170 180 0 0 5 10 15 20 25 Frequency (MHz) Power Input (Watts) 3/9 SD1477 IMPEDANCE DATA Figure 5. Typical Input Impedance Figure 6. Typical Collector Load Impedance VCC = 136 MHz PIN = 20.0 W Input Network Collector Load Impedance (ohms) Source Impedance (ohms) VCC = 12.5 V PIN = 20 W +2 Zs +1.0 Output Network R +1 R +.5 ZCL 0 0 -1 Jx -.5 Jx -1.0 130 140 150 160 170 180 -2 130 140 150 160 170 180 190 Power Input (Watts) Frequency (MHz) Table 6. Impedance Data FREQ. 175 MHz ZIN () 1.5 - j 0.9 ZCL () 0.5 - j 1.0 4/9 SD1477 TEST CIRCUIT Figure 7. Test Circuit 5/9 SD1477 Table 7. Test Circuit C1, C2 C3, C4 C5, C6 C7, C8 C9, C12 C10 C11 C13 L1 L2, L3 L4 RCF1 RCF2 RCF3 Board Material Arco 462 5 - 80pF Unelco 100pF, 350V Unelco 120pF, 350V Arco 463 9 - 180pF Unelco 1000pF, 350V Erie .15F, 200V Red Cap 25F, 25V Electrolytic 10F, 25V Electrolytic 1 Turn, #12, 1/4" I.D. 1/2" 50 Stripline (.180" Wide) 1/8" Thick Copper Strap 1/4" Wide 1 1/2 Turns on Ferroxcube VK200/19-B 4 Turn #16 Enamel, 3/8" I.D., 3/8" Long 4 Turns #16 Enamel on T50-2 Torroid 3M-K6098, 1/16" Thick Figure 8. Test Circuit 6/9 SD1477 PACKAGE MECHANICAL Table 8. M111 Mechanical Data Symbol A B C D E F G H I J K L M 18.29 24.64 2.41 3.81 5.33 21.21 5.08 12.45 0.08 3.18 18.54 24.89 2.67 4.32 7.11 0.720 0.970 0.095 0.150 millimeters Min 3.43 1.14 5.59 21.97 5.33 12.95 0.18 0.210 0.835 0.200 0.490 0.003 0.125 0.730 0.980 0.105 0.170 0.280 Typ Max 4.06 Min 0.150 0.045 0.220 0.865 0.210 0.510 0.007 inches Typ Max 0.160 Figure 9. M111 Package Dimensions Note: Drawing is not to scale. 7/9 SD1477 REVISION HISTORY Table 9. Revision History Date November-1992 7-June-2004 Revision 1 2 First Issue Stylesheet update. No content change. Description of Changes 8/9 SD1477 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners (c) 2004 STMicroelectronics - All rights reserved STMicroelectronics GROUP OF COMPANIES Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States www.st.com 9/9 |
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