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| MOTOROLA The RF Line SEMICONDUCTOR TECHNICAL DATA Order this document by MRF894/D NPN Silicon RF Power Transistor . . . designed for 24 volt UHF large-signal, common-base amplifier applications in industrial and commercial FM equipment operating in the range of 804 - 960 MHz. * Specified 24 Volt, 900 MHz Characteristics Output Power = 30 Watts Power Gain = 7.0 dB Min Efficiency = 55% Min * Series Equivalent Large-Signal Characterization * Capable of 30:1 VSWR Load Mismatch at Rated Output Power and Supply Voltage * Gold Metallized, Emitter Ballasted for Long Life and Resistance to Metal Migration * Silicon Nitride Passivated MRF894 30 W, 900 MHz RF POWER TRANSISTOR NPN SILICON CASE 319-07, STYLE 1 MAXIMUM RATINGS Rating Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current -- Continuous Total Device Dissipation @ TC = 25C (1) Derate above 25C Storage Temperature Range Symbol VCEO VCBO VEBO IC PD Tstg Value 30 50 4.0 7.0 115 0.66 - 65 to +150 Unit Vdc Vdc Vdc Adc Watts W/C C THERMAL CHARACTERISTICS Characteristic Thermal Resistance, Junction to Case (2) Symbol RJC Max 1.5 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 (VCB = 30 Vdc, IE = 0) V(BR)CEO V(BR)CES V(BR)EBO ICBO 30 50 4.0 -- -- -- -- -- -- -- -- 10 Vdc Vdc Vdc mAdc NOTES: (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. 2. Thermal Resistance is determined under specified RF operating conditions by infrared measurement techniques. REV 6 (c)MOTOROLA RF DEVICE DATA Motorola, Inc. 1994 MRF894 21 ELECTRICAL CHARACTERISTICS -- continued (TC = 25C unless otherwise noted.) Characteristic Symbol Min Typ Max Unit ON CHARACTERISTICS DC Current Gain (IC = 2.0 Adc, VCE = 5.0 Vdc) hFE 10 -- 120 -- DYNAMIC CHARACTERISTICS Output Capacitance (VCB = 30 Vdc, IE = 0, f = 1.0 MHz) Cob -- 45 -- pF FUNCTIONAL TESTS Common-Base Amplifier Power Gain (Pout = 30 W, VCC = 24 Vdc, f = 900 MHz) Collector Efficiency (Pout = 30 W, VCC = 24 Vdc, f = 900 MHz) GPE 7.0 55 8.5 60 -- -- dB % L1 C4 B SOCKET VRE PORT C1 + C2 SOCKET C9 B L4 + 24 Vdc + C12 C13 C5 DUT C7 C3 TL1 TL2 C6 C8 B -- Ferrite Bead, Ferroxcube 56-590-65-3B C1, C13 -- 5.0 F, 50 Vdc C2, C12 -- 1000 pF Unelco C3, C11 -- 47 pF, 100 Mil Chip Capacitor C4, C9 -- 91 pF, Mini-Underwood C5, C6 -- 12 pF, Mini-Underwood C7 -- 18 pF, Mini-Underwood C8 -- 24 pF, Mini-Underwood C10 -- 0.8 - 8.0 pF Johanson Gigatrim L1, L4 -- 11 Turns #20 Enameled Over 10 Carbon Resistor L2, L3 -- 4 Turns #20 Enameled, .15 ID TL1, TL4 -- Micro Strip Line, 50 TL2 -- Micro Strip, Zo = 30 , /4 @ 875 MHz TL3 -- Micro Strip, Zo = 22 , /4 @ 875 MHz Board -- 0.032 Glass Teflon Board -- 2 oz. Cu CLAD, r = 2.55 Figure 1. 850 - 900 MHz Broadband Circuit Schematic MRF894 22 CCCCCCCC CCCCCCCC CCCCCCCC CCCCCCCC C11 TL3 TL4 C10 CCCCC CCCCC CCCCC CCCCC L2 L3 CCC CCC CCC CCC MOTOROLA RF DEVICE DATA TYPICAL CHARACTERISTICS 50 Pout , OUTPUT POWER (WATTS) Pout , OUTPUT POWER (WATTS) 900 MHz 50 Pin = 8 W 40 40 30 960 MHz 30 6W 20 VCC = 24 V 20 4W 10 10 VCC = 24 V 0 850 875 900 925 f, FREQUENCY (MHz) 950 0 0 2 4 6 Pin, INPUT POWER (WATTS) 8 10 Figure 2. Output Power versus Input Power Figure 3. Output Power versus Frequency 50 Pout , OUTPUT POWER (WATTS) 10 GPB 80 40 Pin = 6 W G PB , POWER GAIN (dB) 4W 3W 8 70 c , COLLECTOR EFFICIENCY 30 6 c INPUT VSWR 1.5:1 60 20 4 VCC = 24 V Pin = 6 W VSWR 50 10 f = 900 MHz 0 10 14 18 22 VCC, SUPPLY VOLTAGE (VOLTS) 26 30 2 0 850 1.25:1 860 870 880 f, FREQUENCY (MHz) 890 1:1 900 Figure 4. Output Power versus Supply Voltage Figure 5. Typical Broadband Circuit Performance MOTOROLA RF DEVICE DATA MRF894 23 10 VCC = 24 Vdc, Pout = 30 W 5.0 f = 800 MHz 850 Zin 900 960 Zo = 10 960 900 f = 800 MHz 0 1.0 f Frequency MHz 800 850 900 960 Zin Ohms 0.9 + j4.5 1.3 + j4.7 1.6 + j4.4 1.5 + j3.7 ZOL* Ohms 1.0 + j0.7 1.1 + j0.9 1.2 + j1.1 1.2 + j1.3 ZOL* 850 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10 ZOL* = Conjugate of the optimum load impedance ZOL* = into which the device output operates at a ZOL* = given output power, voltage and frequency. Figure 6. Series Equivalent Impedance MRF894 24 MOTOROLA RF DEVICE DATA PACKAGE DIMENSIONS IDENTIFICATION NOTCH 6 -AL 5 4 Q 2 PL 0.15 (0.006) M TA M N M NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. -N1 2 3 K F D 2 PL 0.38 (0.015) M B J H C E -TSEATING PLANE TA M M N M M 0.38 (0.015) TA N M STYLE 1: PIN 1. 2. 3. 4. 5. 6. DIM A B C D E F H J K L N Q BASE (COMMON) EMITTER (INPUT) BASE (COMMON) BASE (COMMON) COLLECTOR (OUTPUT) BASE (COMMON) INCHES MIN MAX 0.965 0.985 0.355 0.375 0.230 0.260 0.115 0.125 0.102 0.114 0.075 0.085 0.160 0.170 0.004 0.006 0.090 0.110 0.725 BSC 0.225 0.241 0.125 0.135 MILLIMETER MIN MAX 24.52 25.01 9.02 9.52 5.85 6.60 2.93 3.17 2.59 2.90 1.91 2.15 4.07 4.31 0.11 0.15 2.29 2.79 18.42 BSC 5.72 6.12 3.18 3.42 CASE 319-07 ISSUE M MOTOROLA RF DEVICE DATA MRF894 25 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. MRF894 26 *MRF894/D* MRF894/D MOTOROLA RF DEVICE DATA |
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