Order this document by MRF1946/D SEMICONDUCTOR TECHNICAL DATA The RF Line . . . 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% 30 W, 136 – 220 MHz RF POWER TRANSISTORS NPN SILICON • Diffused Emitter Resistor Ballasting • Characterized to 220 MHz • Load Mismatch at High Line and Overdrive Conditions MAXIMUM RATINGS Symbol Value Unit Collector–Emitter Voltage Rating VCEO 16 Vdc Collector–Base Voltage VCBO 36 Vdc Emitter–Base Voltage VEBO 4.0 Vdc Collector Current — Continuous IC 8.0 Adc Total Device Dissipation @ TA = 25°C Derate above 25°C PD 100 0.57 Watts W/°C Storage Temperature Range Tstg – 65 to +150 °C TJ 200 °C Junction Temperature CASE 211–07, STYLE 1 MRF1946 CASE 145A–09, STYLE 1 MRF1946A THERMAL CHARACTERISTICS Characteristic Thermal Resistance, Junction to Case Symbol Max Unit RθJC 1.75 °C/W ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted.) Symbol Min Typ Max Unit Collector–Emitter Breakdown Voltage (IC = 25 mAdc, IB = 0) V(BR)CEO 16 — — Vdc Collector–Emitter Breakdown Voltage (IC = 25 mAdc, VBE = 0) V(BR)CES 36 — — Vdc Emitter–Base Breakdown Voltage (IE = 5.0 mAdc, IC = 0) V(BR)EBO 4.0 — — Vdc ICES — — 5.0 mAdc hFE 40 75 150 — Characteristic OFF CHARACTERISTICS Collector Cutoff Current (VCE = 15 Vdc, VBE = 0, TC = 25°C) ON CHARACTERISTICS DC Current Gain (IC = 1.0 Adc, VCE = 5.0 Vdc) (continued) REV 6 RF DEVICE DATA MOTOROLA Motorola, Inc. 1994 MRF1946 MRF1946A 1 ELECTRICAL CHARACTERISTICS — continued (TC = 25°C unless otherwise noted.) Characteristic Symbol Min Typ Max Unit Cob — 75 100 pF Common–Emitter Amplifier Power Gain (VCC = 12.5 Vdc, Pout = 30 W, f = 175 MHz) Gpe 10 11 — dB Collector Efficiency (VCC = 12.5 Vdc, Pout = 30 W, f = 175 MHz) η 60 70 — % Load Mismatch (VCC = 15.5 Vdc, Pin = 2.0 dB Overdrive, Load VSWR = 30:1) ψ DYNAMIC CHARACTERISTICS Output Capacitance (VCB = 15 Vdc, IE = 0, f = 1.0 MHz) FUNCTIONAL TESTS No Degradation in Power Output L5 +12.5 Vdc RFC2 + C8 L3 C10 C9 L4 C7 C1 L1 L2 DUT C2 C3 C11 C4 C5 C6 RFC1 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 µF Ceramic Capacitor C10 — 10 µF, 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 µH 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 50 f = 136 MHz Pout , OUTPUT POWER (WATTS) Pout , OUTPUT POWER (WATTS) 60 48 150 MHz 36 175 MHz 24 220 MHz 12 40 Pin = 4 W 30 3W 2W 20 1W 10 VCC = 12.5 V 0 0 1 2 3 4 VCC = 12.5 V 0 130 5 150 170 190 210 230 Pin, INPUT POWER (WATTS) f, FREQUENCY (MHz) Figure 2. Output Power versus Input Power Figure 3. Output Power versus Frequency 50 50 Pin = 4 W f = 175 MHz Pout , OUTPUT POWER (WATTS) Pout , OUTPUT POWER (WATTS) f = 220 MHz 40 Pin = 4 W 3W 30 2W 20 40 3W 2W 30 1W 20 1W 10 5 6 7 8 9 10 11 12 13 14 10 15 7 8 9 10 11 12 13 14 Figure 4. Output Power versus Supply Voltage Figure 5. Output Power versus Supply Voltage 15 50 Pin = 4 W Pin = 4 W f = 150 MHz 3W 40 2W 30 1W 20 5 6 7 3W f = 136 MHz Pout , OUTPUT POWER (WATTS) Pout , OUTPUT POWER (WATTS) 6 VCC, SUPPLY VOLTAGE (VOLTS) 50 10 5 VCC, SUPPLY VOLTAGE (VOLTS) 8 9 10 11 12 13 14 15 2W 40 30 1W 20 10 5 6 7 8 9 10 11 12 13 14 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 15 MRF1946 MRF1946A 3 12 100 80 G pe , POWER GAIN (dB) 10 8 Pin = 3 W VCC = 12.5 V ηc 60 2.0:1 6 40 1.5:1 η c , COLLECTOR EFFICIENCY Gpe INPUT VSWR 4 150 1.1:1 155 160 165 170 20 175 f, FREQUENCY (MHz) Figure 8. Typical Performance in a Broadband Circuit 150 f = 136 MHz 220 175 Zin Zo = 10 Ω 220 150 f = 136 MHz 175 ZOL* VCC = 12.5 Vdc, Pout = 30 W f MHz Zin Ohms ZOL* Ohms 136 150 175 220 0.60 – j0.48 0.63 – j0.26 0.62 + j0.13 0.73 + j0.57 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 PACKAGE DIMENSIONS A U NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. M Q M 1 DIM A B C D E H J K M Q R S U 4 R 2 B 3 D S K STYLE 1: PIN 1. 2. 3. 4. J C H E 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 EMITTER BASE EMITTER COLLECTOR SEATING PLANE CASE 211–07 ISSUE N MRF1946 T A NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. J S C E SEATING PLANE DIM A B C D E J K L M P R S T U P 8–32UNC–2A WRENCH FLAT L U D 3 B 2 K 4 1 M R STYLE 1: PIN 1. 2. 3. 4. 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 EMITTER BASE EMITTER COLLECTOR 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. 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Box 20912; Phoenix, Arizona 85036. 1–800–441–2447 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 MFAX: [email protected] – TOUCHTONE (602) 244–6609 INTERNET: http://Design–NET.com 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