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| MOTOROLA The RF Line SEMICONDUCTOR TECHNICAL DATA Order this document by MRF847/D NPN Silicon RF Power Transistor . . . designed for 12.5 volt UHF large-signal, common-base amplifier applications in industrial and commercial FM equipment operating in the range of 806 - 960 MHz. * Specified 12.5 Volt, 870 MHz Characteristics Output Power = 45 Watts Power Gain = 4.5 dB Min Efficiency = 60% Min * Series Equivalent Large-Signal Characterization * Internally Matched Input for Broadband Operation * Tested for Load Mismatch Stress at All Phase Angles with 10:1 VSWR @ High Line and Rated Drive * Gold Metallized, Emitter Ballasted for Long Life and Resistance to Metal Migration * Silicon Nitride Passivated MRF847 45 W, 870 MHz RF POWER TRANSISTOR NPN SILICON CASE 319-07, STYLE 1 MAXIMUM RATINGS Rating Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current -- Continuous Total Device Dissipation @ TA = 25C Derate above 25C Storage Temperature Range Junction Temperature Symbol VCEO VCBO VEBO IC PD Tstg TJ Characteristic Thermal Resistance, Junction to Case Symbol RJC Value 16.5 38 4.0 12 150 0.85 - 65 to +150 200 Unit Vdc Vdc Vdc Adc Watts W/C C C THERMAL CHARACTERISTICS Max 1.17 Unit C/W ELECTRICAL CHARACTERISTICS (TC = 25C unless otherwise noted.) Characteristic Symbol Min Typ Max Unit OFF CHARACTERISTICS Emitter-Base Breakdown Voltage (IE = 5.0 mAdc, IC = 0) Collector-Emitter Breakdown Voltage (IC = 50 mAdc, IB = 0) Collector-Emitter Breakdown Voltage (IC = 50 mAdc, VBE = 0) Collector Cutoff Current (VCE = 15 Vdc, VBE = 0) V(BR)EBO V(BR)CEO V(BR)CES ICES 4.0 16.5 38 -- -- -- -- -- -- -- -- 10 Vdc Vdc Vdc mAdc (continued) (c)MOTOROLA RF DEVICE DATA Motorola, Inc. 1994 MRF847 1 ELECTRICAL CHARACTERISTICS -- continued (TC = 25C unless otherwise noted.) Characteristic Symbol Min Typ Max Unit ON CHARACTERISTICS DC Current Gain (IC = 2.0 Adc, VCE = 5.0 Vdc) hFE 40 65 120 -- DYNAMIC CHARACTERISTICS Output Capacitance (VCB = 12.5 Vdc, IE = 0, f = 1.0 MHz) Cob -- 75 90 pF FUNCTIONAL TESTS Common-Base Amplifier Power Gain (VCC = 12.5 Vdc, Pout = 45 W, f = 870 MHz) Collector Efficiency (VCC = 12.5 Vdc, Pout = 45 W, f = 870 MHz) Load Mismatch (VCC = 15.5 Vdc, Pin = 16 W, f = 870 MHz, VSWR = 10:1, All Phase Angles) GPB c No Degradation in Output Power 4.5 60 5.5 68 -- -- dB % L3 L4 B Vre PORT C8 + C9 C10 SOCKET ASSY. B + C12 C11 C13 +12.5 V L1 C3 D.U.T. C4 L2 50 C1 C7 TL1 TL2 TL3 C2 C5 C6 C1 -- 51 pF, 100 mil Chip Capacitor C2 -- 12 pF, Mini-Underwood C3 -- 11 pF, Mini-Underwood C4, C5 -- 21 pF, Mini-Underwood C6 -- 0.08 - 8.0 pF Johansen Gigatrim C7 -- 47 pF, 100 mil Chip Capacitor C8, C13 -- 10 F, 25 WV Electrolytic Capacitor C9, C12 -- 1000 pF Unelco J101 C10, C11 -- 91 pF Mini-Underwood L1, L2 -- 4 Turns #18 Enameled, 200 mil ID L3, L4 -- 12 Turns #22 Enameled, Wound Over 10 Resistor TL1, TL4 -- 50 Microstrip Line TL2 -- Microstrip (Zo = 38 ohms, /4 @ 838 MHz) TL3 -- Microstrip (Zo = 28 ohms, /4 @ 838 MHz) Board Material -- 0.032 Glass-Teflon, 2 oz. cu. clad, r = 2.56 B -- Ferrite Bead, Ferroxcube 56-590-65-3B Figure 1. 806 - 870 MHz Broadband Test Circuit MRF847 2 MOTOROLA RF DEVICE DATA CC CC CC CC TL4 CCCC CCCC CCCC CCCC CCCC CCCC CCCC CCCC CC CC CC CC 50 70 VCC = 12.5 V Pout , OUTPUT POWER (WATTS) 60 870 MHz 50 40 30 20 10 0 4 8 12 16 Pin, INPUT POWER (WATTS) 20 960 MHz f = 806 MHz Pout , OUTPUT POWER (WATTS) 70 VCC = 12.5 V 60 50 12 W Pin = 16 W 40 8W 30 20 800 820 840 860 880 900 f, FREQUENCY (MHz) 920 940 960 Figure 2. Output Power versus Input Power Figure 3. Output Power versus Frequency 80 f = 870 MHz Pout , OUTPUT POWER (WATTS) 70 60 12 W 50 40 8W 30 20 10 6 8 10 12 VCC, SUPPLY VOLTAGE (VOLTS) 14 16 6.5 GPB G PB , POWER GAIN (dB) Pin = 16 W 5.5 80 70 60 50 VCC = 12.5 V Pin = 16 W INPUT VSWR 1.5 800 820 840 860 f, FREQUENCY (MHz) 880 40 1.6:1 1.4:1 30 c , COLLECTOR EFFICIENCY c 4.5 3.5 2.5 20 1.2:1 10 900 Figure 4. Output Power versus Supply Voltage Figure 5. Typical Broadband Circuit Performance f = 806 MHz 838 870 960 f = 960 MHz 870 915 838 806 ZOL* Zo = 10 915 Zin f MHz 806 838 870 915 960 VCC = 12.5 Vdc, Pin = 16 W, Pout = 45 W Zin f ZOL* (Ohms) MHz (Ohms) 0.99 1.48 1.79 2.12 2.11 +j5.52 +j5.47 +j5.25 +j4.80 +j4.28 806 838 870 915 960 0.67 0.68 0.72 0.83 0.99 +j1.33 +j1.66 +j2.16 +j2.40 +j2.50 ZOL* = Conjugate of the optimum load impedance into which the ZOL* = device output operates at a given output power, voltage and ZOL* = frequency. Figure 6. Series Equivalent Input/Output Impedances MOTOROLA RF DEVICE DATA MRF847 3 PACKAGE DIMENSIONS IDENTIFICATION NOTCH 6 -AL 5 4 Q 2 PL 0.15 (0.006) M TA M N M NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. -N1 2 3 K F D 2 PL 0.38 (0.015) M B J H C E -TSEATING PLANE TA M M N M M 0.38 (0.015) TA N M STYLE 1: PIN 1. 2. 3. 4. 5. 6. DIM A B C D E F H J K L N Q INCHES MIN MAX 0.965 0.985 0.355 0.375 0.230 0.260 0.115 0.125 0.102 0.114 0.075 0.085 0.160 0.170 0.004 0.006 0.090 0.110 0.725 BSC 0.225 0.241 0.125 0.135 MILLIMETER MIN MAX 24.52 25.01 9.02 9.52 5.85 6.60 2.93 3.17 2.59 2.90 1.91 2.15 4.07 4.31 0.11 0.15 2.29 2.79 18.42 BSC 5.72 6.12 3.18 3.42 BASE (COMMON) EMITTER (INPUT) BASE (COMMON) BASE (COMMON) COLLECTOR (OUTPUT) BASE (COMMON) CASE 319-07 ISSUE M Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. "Typical" parameters can and do vary in different applications. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer. Literature Distribution Centers: USA: Motorola Literature Distribution; P.O. Box 20912; Phoenix, Arizona 85036. EUROPE: Motorola Ltd.; European Literature Centre; 88 Tanners Drive, Blakelands, Milton Keynes, MK14 5BP, England. JAPAN: Nippon Motorola Ltd.; 4-32-1, Nishi-Gotanda, Shinagawa-ku, Tokyo 141, Japan. ASIA PACIFIC: Motorola Semiconductors H.K. Ltd.; Silicon Harbour Center, No. 2 Dai King Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong. MRF847 4 *MRF847/D* MRF847/D MOTOROLA RF DEVICE DATA |
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