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| MOTOROLA The RF Line SEMICONDUCTOR TECHNICAL DATA Order this document by MRF426/D NPN Silicon RF Power Transistor . . . designed for high gain driver and output linear amplifier stages in 1.5 to 30 MHz HF/SSB equipment. * Specified 28 Volt, 30 MHz Characteristics -- Output Power = 25 W (PEP) Minimum Gain = 22 dB Efficiency = 35% * Intermodulation Distortion @ 25 W (PEP) -- IMD = - 30 dB (Max) * 100% Tested for Load Mismatch at all Phase Angles with 30:1 VSWR * Class A and AB Characterization * BLX 13 Equivalent MRF426 25 W (PEP), 30 MHz RF POWER TRANSISTOR NPN SILICON CASE 211-07, STYLE 1 MAXIMUM RATINGS Rating Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current -- Continuous Withstand Current -- 5 s Total Device Dissipation @ TC = 25C (1) Derate above 25C Storage Temperature Range Symbol VCEO VCBO VEBO IC -- PD Tstg Value 35 65 4.0 3.0 6.0 70 0.4 - 65 to +150 Unit Vdc Vdc Vdc Adc Adc Watts W/C C THERMAL CHARACTERISTICS Characteristic Thermal Resistance, Junction to Case Symbol RJC Max 2.5 Unit C/W ELECTRICAL CHARACTERISTICS (TC = 25C unless otherwise noted.) Characteristic Symbol Min Typ Max Unit OFF CHARACTERISTICS Collector-Emitter Breakdown Voltage (IC = 50 mAdc, IB = 0) Collector-Base Breakdown Voltage (IC = 50 mAdc, IE = 0) Emitter-Base Breakdown Voltage (IE = 10 mAdc, IC = 0) Collector Cutoff Current (VCE = 28 Vdc, VBE = 0) V(BR)CEO V(BR)CBO V(BR)EBO ICES 35 65 4.0 -- -- -- -- -- -- -- -- 10 Vdc Vdc Vdc mAdc NOTE: (continued) 1. This device is designed for RF operation. The total device dissipation rating applies only when the device is operated as an RF amplifier. (c)MOTOROLA RF DEVICE DATA Motorola, Inc. 1994 MRF426 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 10 35 -- -- DYNAMIC CHARACTERISTICS Output Capacitance (VCB = 30 Vdc, IE = 0, f = 1.0 MHz) Cob -- 60 80 pF FUNCTIONAL TESTS (SSB) Common-Emitter Amplifier Gain (VCC = 28 Vdc, Pout = 25 W (PEP), f1 = 30 MHz, f2 = 30.001 MHz, ICQ = 25 mA) Collector Efficiency (VCC = 28 Vdc, Pout = 25 W (PEP), f1 = 30 MHz, f2 = 30.001 MHz, ICQ = 25 mA) Intermodulation Distortion (2) (VCC = 28 Vdc, Pout = 25 W (PEP), f1 = 30 MHz, f2 = 30.001 MHz, ICQ = 25 mA) Load Mismatch (VCC = 28 Vdc, Pout = 25 W (PEP), f1 = 30 MHz, f2 = 30.001 MHz, ICQ = 25 mA, VSWR 30:1 at All Phase Angles) GPE 22 25 -- dB 35 -- -- % IMD(d3) -- - 35 - 30 dB No Degradation in Output Power CLASS A PERFORMANCE Intermodulation Distortion (2) and Power Gain (VCC = 28 Vdc, Pout = 8.0 W (PEP), f1 = 30 MHz, f2 = 30.001 MHz, ICQ = 1.2 Adc) GPE IMD(d3) IMD(d5) -- -- -- 23.5 - 40 - 55 -- -- -- dB NOTE: 2. To Mil-Std-1311 Version A, Test Method 2204B, Two Tone, Reference each Tone. C8 RFC1 BIAS INPUT C6 C7 CR1 L4 L2 C3 C9 L3 RFC2 + 28 Vdc - RF OUTPUT C5 DUT C4 RF INPUT L1 C1 C2 R1 C1, C2 -- ARCO 469, 190- 780 pF C3, C4 -- ARCO 464, 25- 280 pF C5 -- 120 pF Dipped Mica C6, C7 -- 100 F, 15 Vdc C8 -- 680 pF F.T. Allen Bradley C9 -- 1.0 F 35 V Tantalum CR1 -- 1N4997 L1 -- 3 Turns #16 0.25 ID L2 -- 6 Turns #16 0.5 ID L3 -- 7 Turns #20 0.38 ID L4 -- 10 H Molded Choke Delevan RFC1 -- Ferroxcube VK200/20-4B RFC2 -- 3-Ferroxcube 5653065-3B RF -- Input/Output Connectors UG53 A/ R1 -- 10 1/2 Watt 10% Adjust Bias (Base) for ICQ = 20 mA with No RF Applied Figure 1. 30 MHz Linear Test Circuit MRF426 2 MOTOROLA RF DEVICE DATA 50 Pout , OUTPUT POWER (WATTS PEP) Pout , OUTPUT POWER (WATTS) f = 30 MHz ICQ = 25 mA VCC = 28 Vdc 40 f = 30, 30.001 MHz ICQ = 25 mA IMD(d3) = - 35 dB 40 30 30 20 20 10 10 0 0 20 40 60 Pin, INPUT POWER (mW) 80 100 0 16 24 28 20 VCC, SUPPLY VOLTAGE (VOLTS) 32 Figure 2. Output Power versus Input Power Figure 3. Output Power versus Supply Voltage G PE , POWER GAIN (dB) 35 IMD, INTERMODULATION DISTORTION (dB) 40 - 25 - 30 d3 d5 f = 30, 30.001 MHz ICQ = 25 mA VCC = 28 V 0 10 20 30 Pout, OUTPUT POWER (WATTS PEP) 30 - 35 25 VCC = 28 V ICQ = 25 mA Pout = 25 W PEP - 40 20 15 1.5 - 45 2 3 5 7 10 f, FREQUENCY (MHz) 15 20 30 - 50 Figure 4. Power Gain versus Frequency Figure 5. Intermodulation Distortion versus Output Power 5 IC, COLLECTOR CURRENT (AMP) 2.5 1 0.5 0.25 TC = 25C 0.1 0.05 1 2 5 10 20 50 VCE, COLLECTOR-EMITTER VOLTAGE (VOLTS) 100 Figure 6. DC Safe Operating Area MOTOROLA RF DEVICE DATA MRF426 3 2500 Cout , PARALLEL EQUIVALENT OUTPUT CAPACITANCE (pF) Rout , PARALLEL EQUIVALENT OUTPUT RESISTANCE (OHMS) VCC = 28 V ICQ = 25 mA Pout = 25 W PEP 25 VCC = 28 V ICQ = 25 mA Pout = 25 W PEP 2000 1500 15 1000 500 0 1.5 2 3 5 7 10 f, FREQUENCY (MHz) 15 20 30 5 1.5 2 3 5 7 10 f, FREQUENCY (MHz) 15 20 30 Figure 7. Output Capacitance versus Frequency Figure 8. Output Resistance versus Frequency 1.0 2.0 3.0 4.0 5.0 0 1.0 2.0 1.0 3.0 4.0 5.0 30 2.0 3.0 15 6.0 7.0 4.0 7.5 5.0 6.0 VCC = 28 V ICQ = 25 mA Pout = 25 W PEP f MHz 2.0 4.0 7.5 15 30 Zin Ohms 6.20 - j6.65 4.65 - j5.50 3.25 - j4.05 2.45 - j2.90 1.4 - j0.77 6.0 7.0 8.0 8.0 9.0 10.0 4.0 9.0 10.0 7.0 8.0 9.0 10.0 12.0 f = 2.0 MHz 12.0 Zo = 10 18.0 14.0 16.0 12.0 14.0 20.0 14.0 Figure 9. Series Equivalent Input Impedance MRF426 4 MOTOROLA RF DEVICE DATA PACKAGE DIMENSIONS A U M Q 1 4 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. M DIM A B C D E H J K M Q R S U STYLE 1: PIN 1. 2. 3. 4. SEATING PLANE R 2 3 B S D K INCHES MIN MAX 0.960 0.990 0.370 0.390 0.229 0.281 0.215 0.235 0.085 0.105 0.150 0.108 0.004 0.006 0.395 0.405 40 _ 50 _ 0.113 0.130 0.245 0.255 0.790 0.810 0.720 0.730 MILLIMETERS MIN MAX 24.39 25.14 9.40 9.90 5.82 7.13 5.47 5.96 2.16 2.66 3.81 4.57 0.11 0.15 10.04 10.28 40 _ 50 _ 2.88 3.30 6.23 6.47 20.07 20.57 18.29 18.54 J H C E EMITTER BASE EMITTER COLLECTOR CASE 211-07 ISSUE N MOTOROLA RF DEVICE DATA MRF426 5 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. MRF426 6 *MRF426/D* MRF426/D MOTOROLA RF DEVICE DATA |
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