MRF247 Motorola, MRF247 Datasheet
MRF247
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MRF247 Summary of contents
Page 1
... SEMICONDUCTOR TECHNICAL DATA The RF Line NPN Silicon RF Power Transistor The MRF247 is designed for 12.5 Volt VHF large–signal amplifier applications in industrial and commercial FM equipment operating to 175 MHz. Specified 12.5 Volt, 175 MHz Characteristics — Output Power = 75 Watts Power Gain = 7.0 dB Min Efficiency = 55% Min Characterized With Series Equivalent Large– ...
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... C9, C10 180 pF ATC 100 mil Ceramic Capacitor Figure 1. Output Power versus Input Power 100 150 MHz 80 175 MHz 136 MHz INPUT POWER (WATTS) Figure 2. Output Power versus Input Power MRF247 2 Symbol Min — 7 C10 D.U. C11 150 pF Standard Unelco Clamped Mica Capacitor C12 33 pF Mini– ...
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... MHz +J2.0 150 Z in +J3.0 175 175 12 out = MHz Ohms Ohms 136 0.57 + j1.07 1.13 + j0.65 150 0.55 + j1.13 1.13 + j0.73 175 0.57 + j1.92 0.87 + j1.13 impedance into which the device operates at a given output power, voltage and frequency. MRF247 3 ...
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... J 0.10 0.15 0.004 0.006 K 10.29 11.17 0.405 0.440 L 3.81 4.06 0.150 0.160 N 3.81 4.31 0.150 0.170 Q 2.92 3.30 0.115 0.130 R 3.05 3.30 0.120 0.130 U 11.94 12.57 0.470 0.495 2. COLLECTOR 3. EMITTER 4. BASE Mfax is a trademark of Motorola, Inc. MRF247/D MOTOROLA RF DEVICE DATA ...