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产品数量：５ 个
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关 键 词：英国RACAL-DANA
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发布时间：2011-05-07
廠牌 - Racal-Dana 型號 - 9009 Automatic Modulation Meter Automatic tuning and amplitude leveling IF and demodulated AF output are both available on the rear panel Specifications Input Characteristics Carrier Frequency Automatic Operation Manual Tuning 30 MHz to 1.5 GHz. Automatic measurements can also be made in the bands 10 to 13 MHz and 20 to 27 MHz 8 MHz to 1.5 GHz using external local oscillator with a range of 17 to 28 MHz Input Level Low Input High Input 10 to 100 mV rms up to 500 MHz 20 to 150 mV rms from 500 MHz to 1 GHz 50 to 150 mV rms from 1 GHz to 1.5 GHz 100 mV to 1V rms up to 500 MHz 150 mV to 1V rms from 500 MHz to 1 GHz Level Setting Fully Automatic Input Impedance 50 Ohms Nominal FM Measurement Deviation Ranges: 1.5, 3, 5, 10, 15, 30, 50 and 100 kHz (150 kHz on 9009N) deviation full scale. Measurements of positive and negative deviations can be made Modulation Frequency Range: 50 Hz to 30 kHz AM Measurement Modulation Depth Ranges: 5, 10, 15, 30, 50 and 100% full scale modulation depth. Measurements of peak, trough, AM may be measured Modulation Frequency Range: 50 Hz to 30 kHz IF Output Frequency: 500 kHz nominal Level: 100 mV rms nominal AF Output Response Normal: ± 0.5 dB over the frequency range 50 Hz to 10 kHz, -3 dB ± 0.75 dB at 30 kHz Filter In: 300 Hz to 3 kHz at 2 dB points DC Output Level: 1 Volt ± 0.5 dB at meter full scale
