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| MOTOROLA The RF Line SEMICONDUCTOR TECHNICAL DATA Order this document by MRF644/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 = 25 Watts Minimum Gain = 6.2 dB Efficiency = 60% * 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 50% Overdrive * Circuit board photomaster available upon request by contacting RF Tactical Marketing in Phoenix, AZ. MRF644 25 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 4.0 103 0.59 - 65 to +150 Unit Vdc Vdc Vdc Adc Watts W/C C THERMAL CHARACTERISTICS Characteristic Thermal Resistance, Junction to Case Symbol RJC Max 1.7 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 MRF644 1 ELECTRICAL CHARACTERISTICS -- continued (TC = 25C unless otherwise noted.) Characteristic Symbol Min Typ Max Unit ON CHARACTERISTICS DC Current Gain (IC = 4.0 Adc, VCE = 5.0 Vdc) hFE 40 70 100 -- DYNAMIC CHARACTERISTICS Output Capacitance (VCB = 12.5 Vdc, IE = 0, f = 1.0 MHz) Cob -- 60 85 pF FUNCTIONAL TESTS Common-Emitter Amplifier Power Gain (VCC = 12.5 Vdc, Pout = 25 W, IC (MAX) = 3.6 Adc, f = 470 MHz) Input Power (VCC = 12.5 Vdc, Pout = 25 W, f = 470 MHz) Collector Efficiency (VCC = 12.5 Vdc, Pout = 25 W, IC (MAX) = 3.6 Adc, f = 470 MHz) Output Mismatch Stress (VCC = 16 Vdc, Pin = Note 1, f = 470 MHz, VSWR = 20:1, All Phase Angles) Series Equivalent Input Impedance (VCC = 12.5 Vdc, Pout = 25 W, f = 470 MHz) Series Equivalent Output Impedance (VCC = 12.5 Vdc, Pout = 25 W, f = 470 MHz) Gpe Pin * No Degradation in Output Power Zin ZOL -- -- 1.2 + j3.3 1.9 + j2.1 -- -- Ohms Ohms 6.2 -- 55 7.0 5.0 60 -- 6.0 -- dB Watts % NOTE: 1. Pin = 150% of Drive Requirement for 25 W Output at 12.5 Vdc. * = Mismatch stress factor -- the electrical criterion established to verify the device resistance to load mismatch failure. The mismatch stress test is accomplished in the standard test fixture (Figure 1) terminated in a 20:1 minimum load mismatch at all phase angles. RFC1 B SOCKET C11 B C10 C12 C13 C14 L2 L1 C4 C6 Z5 Z1 Z2 Z3 Z4 D.U.T. C7 C1 C2 C3 C5 C8 Z6 Z7 Z8 C9 Z9 C1, C2, C7, C8 -- 1.0 - 20 pF Johanson Variable C3 -- 27 pF 100 mil ATC C4 -- 30 pF 100 mil ATC C5, C6 -- 33 pF 100 mil ATC C9 -- 250 pF 100 mil ATC C10 -- 100 pF UNELCO C11, C14 -- 1.0 F 35 V TANTALUM C12, C13 -- 680 pF Feedthrough L1 -- 5 #22 AWG 0.100 ID L2 -- 5 #20 AWG 0.187 ID RFC1 -- Ferroxcube VK200-20-4B B -- Ferroxcube Bead 56-590-65-3B Z1 -- 0.25 x 0.20 Microstrip Z2 -- 1.63 x 0.20 Microstrip Z3 -- 0.20 x 0.20 Microstrip Z4, Z5 -- 1/2 #18 AWG bent in a Z4, Z5 -- "V" shape 1/8 Wide Z6 -- 0.20 x 0.20 Microstrip Z7 -- 0.70 x 0.20 Microstrip Z8 -- 0.33 x 0.20 Microstrip Z9 -- 0.50 x 0.20 Microstrip Board -- 62.5 mil Glass Teflon, r = 2.55 Figure 1. Test Circuit Schematic MRF644 2 MOTOROLA RF DEVICE DATA 40 Pout , POWER OUTPUT (WATTS) Pout , POWER OUTPUT (WATTS) f = 470 MHz 30 VCC = 13.6 V 12.5 V 20 40 Pin = 8 W 30 6W 20 10 10 VCC = 12.5 V 0 1 2 3 4 5 6 7 8 9 0 440 460 480 f, FREQUENCY (MHz) 500 520 Pin, POWER INPUT (WATTS) Figure 2. Power Output versus Power Input Figure 3. Power Output versus Frequency 40 Pout , POWER OUTPUT (WATTS) f = 470 MHz Pin = 6 W 20 Pout , minus Pin (WATTS) 30 40 f = 470 MHz 30 20 VCC = 13.6 V 12.5 V 10 10 0 4 6 8 10 12 14 16 18 20 0 1 2 3 4 5 6 7 8 9 VCC, SUPPLY VOLTAGE (VOLTS) Pin, POWER INPUT (WATTS) Figure 4. Power Output versus Supply Voltage Figure 5. Power Saturation Profile 512 5.0 10 0 470 Zin f = 450 MHz 5.0 10 f = 450 MHz ZOL* 5.0 512 15 20 10 15 20 25 FREQUENCY MHz 450 470 512 Zin (OHMS) ZOL* (OHMS) 1.21 + j3.47 1.76 + j1.96 1.21 + j3.25 1.90 + j2.14 1.06 + j2.09 1.96 + j2.34 ZOL* = Conjugate of the optimum load impedance into which the device output operates at a given output power, voltage and frequency. Figure 6. Series Equivalent Input-Output Impedance MOTOROLA RF DEVICE DATA MRF644 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. MRF644 4 *MRF644/D* MRF644/D MOTOROLA RF DEVICE DATA |
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