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MRF247 Datasheet(PDF) 2 Page - Motorola, Inc |
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MRF247 Datasheet(HTML) 2 Page - Motorola, Inc |
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2 / 4 page  MRF247 2 MOTOROLA RF DEVICE DATA ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted.) Characteristic Symbol Min Typ Max Unit ON CHARACTERISTICS DC Current Gain (IC = 5.0 Adc, VCE = 5.0 Vdc) hFE 10 75 150 — DYNAMIC CHARACTERISTICS Output Capacitance (VCB = 15 Vdc, IE = 0, f = 1.0 MHz) Cob — 235 300 pF FUNCTIONAL TESTS Common–Emitter Amplifier Power Gain (VCC = 12.5 Vdc, Pout = 75 Watts, f = 175 MHz) GPE 7.0 8.5 — dB Collector Efficiency (VCC = 12.5 Vdc, Pout = 75 Watts, f = 175 MHz) η 55 60 — % Load Mismatch (VCC = 12.5 Vdc, Pout = 75 Watts, f = 175 MHz, VSWR = 30:1 All Phase Angles) ψ No Degradation in Output Power 4 VCC = 12.5 V Pout = 75 W VCC = 12.5 V 100 80 60 40 6 8 10 12 14 16 18 20 22 24 Pin, INPUT POWER (WATTS) 130 14 10 6 2 140 150 160 170 180 f, FREQUENCY (MHz) 16 12 8 4 0 150 MHz f = 136 MHz 175 MHz Figure 1. Output Power versus Input Power Figure 2. Output Power versus Input Power Figure 3. Power Gain versus Frequency C1, C17 330 pF ATC 100 mil Ceramic Capacitor C2, C14 Johansen 1–20 pF Trimmer Capacitor C3 40 pF Standard Unelco Clamped Mica Capacitor C4, C16 Sprague 10 µF – 35 Vdc Electrolytic Capacitor C5 80 pF Standard Unelco Clamped Mica Capacitor C6, C13 91 pF Mini–Unelco Clamped Mica Capacitor C7, C8 240 pF ATC 100 mil Ceramic Capacitor C9, C10 180 pF ATC 100 mil Ceramic Capacitor C11 150 pF Standard Unelco Clamped Mica Capacitor C12 33 pF Mini–Unelco Clamped Mica Capacitor C15 27 pF Mini–Unelco Clamped Mica Capacitor L1 2 Turns, 16 AWG Enameled, IDIA 0.13 ″ L2, L4 4 Turns, 18 AWG Enameled, IDIA 0.18 ″ L3, L6 VK 200 with Ferrite Bead L5 2 Turns, 16 AWG Enameled, IDIA 0.15 ″ L3 L6 NC C4 C6 C13 C16 C3 C8 C10 C12 C15 L2 L4 C1 L1 L5 C17 C7 C9 C2 C5 C11 C14 D.U.T. + + 12.5 V + – |
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Similar Description - MRF247 |
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