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| MOTOROLA The RF Line SEMICONDUCTOR TECHNICAL DATA Order this document by MRF641/D NPN Silicon RF Power Transistor . . . designed for 12.5 Volt UHF large-signal amplifier applications in industrial and commercial FM equipment operating to 512 MHz. * Specified 12.5 Volt, 470 MHz Characteristics -- Output Power = 15 Watts Minimum Gain = 7.8 dB Efficiency = 55% * Characterized with Series Equivalent Large-Signal Impedance Parameters * Built-In Matching Network for Broadband Operation * Tested for Load Mismatch Stress at all Phase Angles with 20:1 VSWR @ 16-Volt High Line and Overdrive * Circuit board photomaster available upon request by contacting RF Tactical Marketing in Phoenix, AZ. MRF641 15 W, 470 MHz CONTROLLED Q RF POWER TRANSISTOR NPN SILICON CASE 316-01, STYLE 1 MAXIMUM RATINGS Rating Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current -- Continuous Total Device Dissipation @ TC = 25C Derate above 25C Storage Temperature Range Symbol VCEO VCBO VEBO IC PD Tstg Value 16 36 4.0 3.0 43.7 0.25 - 65 to +150 Unit Vdc Vdc Vdc Adc Watts W/C C THERMAL CHARACTERISTICS Characteristic Thermal Resistance, Junction to Case Symbol RJC Max 4.0 Unit C/W ELECTRICAL CHARACTERISTICS (TC = 25C unless otherwise noted.) Characteristic Symbol Min Typ Max Unit OFF CHARACTERISTICS Collector-Emitter Breakdown Voltage (IC = 20 mAdc, IB = 0) Collector-Emitter Breakdown Voltage (IC = 20 mAdc, VBE = 0) Emitter-Base Breakdown Voltage (IE = 5.0 mAdc, IC = 0) Collector Cutoff Current (VCE = 15 Vdc, VBE = 0, TC = 25C) V(BR)CEO V(BR)CES V(BR)EBO ICES 16 36 4.0 -- -- -- -- -- -- -- -- 5.0 Vdc Vdc Vdc mAdc (continued) REV 6 (c)MOTOROLA RF DEVICE DATA Motorola, Inc. 1994 MRF641 1 ELECTRICAL CHARACTERISTICS -- continued (TC = 25C unless otherwise noted.) Characteristic Symbol Min Typ Max Unit ON CHARACTERISTICS DC Current Gain (IC = 1.0 Adc, VCE = 5.0 Vdc) hFE 30 70 150 -- DYNAMIC CHARACTERISTICS Output Capacitance (VCB = 12.5 Vdc, IE = 0, f = 1.0 MHz) Cob -- 40 60 pF FUNCTIONAL TESTS Common-Emitter Amplifier Power Gain (VCC = 12.5 Vdc, Pout = 15 W, f = 470 MHz) Collector Efficiency (VCC = 12.5 Vdc, Pout = 15 W, f = 470 MHz) Output Mismatch Stress (VCC = 16 Vdc, Pin = 3.0 W, f = 470 MHz, VSWR = 20:1, All Phase Angles) Gpe No Degradation in Output Power 7.8 55 8.5 60 -- -- dB % RFC1 C9 + BEAD L1 C13 L2 - C7 C8 + - C11 C10 VCC 12.5 V C12 RF INPUT Z1 Z2 Z3 Z4 Z5 Z6 Z7 RF OUTPUT } C3 C1 } C4 * C5 * C6 C2 PARTS Z1 -- 1.225 x 0.187 Microstrip Z2 -- 0.884 x 0.187 Microstrip Z3 -- Capacitor Block (Base) Z4 -- Collector Block Z5 -- 1.1 x 0.187 Microstrip Z6 -- 0.433 x 0.187 Microstrip Z7 -- 0.4 x 0.187 Microstrip Dotted Area -- Capacitor Assembly C1, C2 -- 0.8 - 10 pF Johanson C3, C4 -- 24 pF Chip Caps 100 mils ATC C5, C6 -- 22 pF Chip Caps 100 mils ATC C12 -- 220 pF Chip Cap 100 mils ATC C7, C11 -- 1.0 F Tantalum 35 Vdc C9, C10 -- 680 pF Feedthrough Allen-Bradley C13 -- 200 pF UNELCO C8 -- 0.1 F, 50 V Erie Red Cap RFC1 -- VK 200 -- 104B Ferrite Choke L1 -- 4 Turns 0.2 Dia. #16 AWG L2 -- 9 Turns 0.15 Dia. #16 AWG Bead -- Ferroxcube 56-590-65-35EB NOTES *C5, C6, are mounted as close to the capacitor *assembly as possible. C3, C4 are mounted in the capacitor assembly. Board -- 62.5 mil Glass Teflon, r = 2.55. Figure 1. Test Circuit Schematic MRF641 2 MOTOROLA RF DEVICE DATA 30 Pout , POWER OUTPUT (WATTS) Pout , POWER OUTPUT (WATTS) 27 24 21 18 15 12 9 6 3 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 f = 470 MHz VCC = 12.5 Vdc 25 VCC = 12.5 V 20 Pin = 3 W 15 2W 10 1W 5 0 380 400 420 440 460 480 500 520 540 Pin, POWER INPUT (WATTS) f, FREQUENCY (MHz) Figure 2. Power Output versus Power Input Figure 3. Power Output versus Frequency 25 Pout , POWER OUTPUT (WATTS) f = 470 MHz Pin = 2 W 30 27 Pout , minus Pin (WATTS) f = 470 MHz VCC = 12.5 Vdc 20 24 21 18 15 12 9 6 3 15 10 5 0 8 9 10 11 12 13 14 15 16 VCC, SUPPLY VOLTAGE (VOLTS) 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 Pin, POWER INPUT (WATTS) Figure 4. Power Output versus Supply Voltage Figure 5. Power Saturation Profile 2.0 4.0 6.0 0 2.0 4.0 f MHz 400 420 450 480 510 Pout = 15 W, VCC = 12.5 V Zin ZOL* Ohms Ohms 0.6 + j4.0 0.7 + j4.2 1.0 + j5.0 1.2 + j5.2 1.7 + j6.4 3.5 - j1.2 3.4 - j0.8 3.0 + j0.5 2.7 + j1.2 2.6 + j1.6 420 f = 400 MHz ZOL* 1.0 f = 400 MHz 420 450 480 510 510 Zin 6.0 8.0 8.0 2.0 10. 0 3.0 450 4.0 480 10. 0 12. 0 ZOL* = Conjugate of the load impedance into which the device output operates at a given power, , and frequency. Figure 6. Series Equivalent Input-Output Impedance MOTOROLA RF DEVICE DATA MRF641 3 PACKAGE DIMENSIONS D R 3 F 4 K NOTES: 1. FLANGE IS ISOLATED IN ALL STYLES. INCHES MIN MAX 24.38 25.14 12.45 12.95 5.97 7.62 5.33 5.58 2.16 3.04 5.08 5.33 18.29 18.54 0.10 0.15 10.29 11.17 3.81 4.06 3.81 4.31 2.92 3.30 3.05 3.30 11.94 12.57 MILLIMETERS MIN MAX 0.960 0.990 0.490 0.510 0.235 0.300 0.210 0.220 0.085 0.120 0.200 0.210 0.720 0.730 0.004 0.006 0.405 0.440 0.150 0.160 0.150 0.170 0.115 0.130 0.120 0.130 0.470 0.495 1 Q 2 L B J E N H A U STYLE 1: PIN 1. 2. 3. 4. C DIM A B C D E F H J K L N Q R U EMITTER COLLECTOR EMITTER BASE CASE 316-01 ISSUE D 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. MRF641 4 *MRF641/D* MRF641/D MOTOROLA RF DEVICE DATA |
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