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| MOTOROLA The RF Line SEMICONDUCTOR TECHNICAL DATA Order this document by MRF1946/D NPN Silicon Power Transistors . . . designed for 12.5 volt large-signal power amplifiers in commercial and industrial equipment. * High Common Emitter Power Gain * Specified 12.5 V, 175 MHz Performance Output Power = 30 Watts Power Gain = 10 dB Efficiency = 60% * Diffused Emitter Resistor Ballasting * Characterized to 220 MHz * Load Mismatch at High Line and Overdrive Conditions MRF1946 MRF1946A 30 W, 136 - 220 MHz RF POWER TRANSISTORS NPN SILICON 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 Value 16 36 4.0 8.0 100 0.57 - 65 to +150 200 Unit Vdc Vdc Vdc Adc Watts W/C C C CASE 211-07, STYLE 1 MRF1946 CASE 145A-09, STYLE 1 MRF1946A THERMAL CHARACTERISTICS Characteristic Thermal Resistance, Junction to Case Symbol RJC Max 1.75 Unit C/W ELECTRICAL CHARACTERISTICS (TC = 25C unless otherwise noted.) Characteristic Symbol Min Typ Max Unit OFF CHARACTERISTICS Collector-Emitter Breakdown Voltage (IC = 25 mAdc, IB = 0) Collector-Emitter Breakdown Voltage (IC = 25 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 ON CHARACTERISTICS DC Current Gain (IC = 1.0 Adc, VCE = 5.0 Vdc) hFE 40 75 150 -- (continued) REV 6 (c)MOTOROLA RF DEVICE DATA Motorola, Inc. 1994 MRF1946 MRF1946A 1 ELECTRICAL CHARACTERISTICS -- continued (TC = 25C unless otherwise noted.) Characteristic Symbol Min Typ Max Unit DYNAMIC CHARACTERISTICS Output Capacitance (VCB = 15 Vdc, IE = 0, f = 1.0 MHz) Cob -- 75 100 pF FUNCTIONAL TESTS Common-Emitter Amplifier Power Gain (VCC = 12.5 Vdc, Pout = 30 W, f = 175 MHz) Collector Efficiency (VCC = 12.5 Vdc, Pout = 30 W, f = 175 MHz) Load Mismatch (VCC = 15.5 Vdc, Pin = 2.0 dB Overdrive, Load VSWR = 30:1) Gpe No Degradation in Power Output 10 60 11 70 -- -- dB % L5 C8 RFC2 + C9 C10 +12.5 Vdc L3 L4 C7 C1 L1 L2 DUT C2 C3 C4 RFC1 C11 C5 C6 B C1 -- 56 pF Mini-Unelco, 3HS0006-56 C2 -- 47 pF Mini-Unelco, 3HS0006-47 C3, C4 -- 180 pF Chip Cap, ATC 100B181JC500 C5 -- 150 pF Unelco, J101-150 C6 -- 39 pF Mini-Unelco, 3HS0006-39 C7, C8 -- 1000 pF Chip Cap, ATC 100B102JC50 C9 -- 0.1 F Ceramic Capacitor C10 -- 10 F, 25 V Electrolytic Capacitor C11 -- 56 pF Mini-Unelco, 3HS0006-56 L1 -- 2 Turns #18 AWG, 0.125 ID L2, L3 -- Circuit Board and Mounting Pad Inductance L4 -- 3 Turns #18 AWG, 0.125 ID L5 -- 6 Turns #16 Enameled, 0.250 ID RFC1 -- 0.15 H Molded Choke w/Ferrite Bead RFC2 -- Ferrite Choke, Fair Rite VK200-4B Board Material -- 1/32, Glass Teflon, 1 oz. Cu Plating Bead -- Ferroxcube Figure 1. Broadband Test Circuit Schematic MRF1946 MRF1946A 2 MOTOROLA RF DEVICE DATA 60 Pout , OUTPUT POWER (WATTS) Pout , OUTPUT POWER (WATTS) f = 136 MHz 48 150 MHz 36 175 MHz 220 MHz 12 VCC = 12.5 V 0 0 1 2 3 4 5 50 40 Pin = 4 W 30 3W 20 2W 1W 10 VCC = 12.5 V 0 130 150 170 190 210 230 24 Pin, INPUT POWER (WATTS) f, FREQUENCY (MHz) Figure 2. Output Power versus Input Power Figure 3. Output Power versus Frequency 50 f = 220 MHz Pout , OUTPUT POWER (WATTS) 40 Pin = 4 W 30 3W 2W 20 1W 10 5 6 7 8 9 10 11 12 13 14 15 Pout , OUTPUT POWER (WATTS) 50 Pin = 4 W f = 175 MHz 40 3W 30 2W 20 1W 10 5 6 7 8 9 10 11 12 13 14 15 VCC, SUPPLY VOLTAGE (VOLTS) VCC, SUPPLY VOLTAGE (VOLTS) Figure 4. Output Power versus Supply Voltage Figure 5. Output Power versus Supply Voltage 50 f = 150 MHz Pout , OUTPUT POWER (WATTS) 40 Pin = 4 W 50 Pin = 4 W f = 136 MHz Pout , OUTPUT POWER (WATTS) 3W 2W 40 3W 2W 30 1W 20 30 1W 20 10 5 6 7 8 9 10 11 12 13 14 15 10 5 6 7 8 9 10 11 12 13 14 15 VCC, SUPPLY VOLTAGE (VOLTS) VCC, SUPPLY VOLTAGE (VOLTS) Figure 6. Output Power versus Supply Voltage Figure 7. Output Power versus Supply Voltage MOTOROLA RF DEVICE DATA MRF1946 MRF1946A 3 12 Gpe G pe , POWER GAIN (dB) 10 100 80 8 c Pin = 3 W VCC = 12.5 V 2.0:1 1.5:1 60 6 INPUT VSWR 4 150 40 1.1:1 155 160 165 170 f, FREQUENCY (MHz) 20 175 Figure 8. Typical Performance in a Broadband Circuit 150 f = 136 MHz 175 220 Zin Zo = 10 150 f = 136 MHz 175 220 ZOL* VCC = 12.5 Vdc, Pout = 30 W f MHz 136 150 175 220 Zin Ohms 0.60 - j0.48 0.63 - j0.26 0.62 + j0.13 0.73 + j0.57 ZOL* Ohms 2.22 - j0.74 2.30 - j0.40 2.35 - j0.04 2.20 + j0.43 ZOL* = Conjugate of the optimum load impedance ZOL* = into which the device output operates at a ZOL* = given output power, voltage and frequency. Figure 9. Series Equivalent Input and Output Impedance MRF1946 MRF1946A 4 MOTOROLA RF DEVICE DATA c , COLLECTOR EFFICIENCY 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 EMITTER BASE EMITTER COLLECTOR 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 CASE 211-07 ISSUE N MRF1946 T A J S SEATING PLANE NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. INCHES MIN MAX 0.370 0.385 0.320 0.330 0.670 0.790 0.215 0.235 0.070 --- 0.003 0.007 0.490 --- 0.055 0.070 45 _NOM --- 0.050 0.299 0.307 0.158 0.178 0.083 0.100 0.098 0.132 MILLIMETERS MIN MAX 9.40 9.78 8.13 8.38 17.02 20.07 5.46 5.97 1.78 --- 0.08 0.18 12.45 --- 1.40 1.78 45 _NOM --- 1.27 7.59 7.80 4.01 4.52 2.11 2.54 2.49 3.35 C E P 8-32UNC-2A WRENCH FLAT L U 3 D 4 K B 2 1 DIM A B C D E J K L M P R S T U STYLE 1: PIN 1. 2. 3. 4. EMITTER BASE EMITTER COLLECTOR M R CASE 145A-09 ISSUE M MRF1946A MOTOROLA RF DEVICE DATA MRF1946 MRF1946A 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. How to reach us: USA / EUROPE: Motorola Literature Distribution; P.O. Box 20912; Phoenix, Arizona 85036. 1-800-441-2447 MFAX: RMFAX0@email.sps.mot.com - TOUCHTONE (602) 244-6609 INTERNET: http://Design-NET.com JAPAN: Nippon Motorola Ltd.; Tatsumi-SPD-JLDC, Toshikatsu Otsuki, 6F Seibu-Butsuryu-Center, 3-14-2 Tatsumi Koto-Ku, Tokyo 135, Japan. 03-3521-8315 HONG KONG: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852-26629298 MRF1946 MRF1946A 6 *MRF1946/D* MRF1946/D MOTOROLA RF DEVICE DATA |
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