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Technical Features
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AM 500 Amplifier
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Frequency Range
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87.5 ~ 108MHz
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Operating Class
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B
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Input Return Loss
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20dB
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Input Power
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3 ~ 6W
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Output Power
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500W nominal
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Efficiency
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70% approx.
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Cooling
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Air forced
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Power Gain
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19.2dB typical
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Harmonics
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<-70dBc
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Input/output Impedance
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50Ω
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RF Input Connector
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N Female
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RF Output Connector
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N Female
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RF Monitor Connector
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BNC Female
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AC Power Supply
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90-260V AC, 50/60 Hz < 950VA
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Protections
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Reflected power (10% nominal power), overconsumption, temperature, power supply failure, and overdrive.
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Remote Control And Telemetry
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RS-232, exciter inhibition
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Dimensions
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4RU (19'' rack), 465mm depth (without handles)
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Weight
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24.6Kg (54.12Lbs)
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EM 25 Dig
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S/N Ratio Between 30Hz and 15khz
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> 78dB, typical 86dB
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S/N Ratio (Am Asynchronous)
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> 55dB, typical >60dB
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S/N Ratio (Am Synchronous)
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> 50dB, typical >55dB
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Harmonics Distortion (75khz Deviation)
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< 0.05%, typical 0.02%
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Harmonics Distortion (150khz Deviation)
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< 0.2%, typical 0.05%
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L/R Stereo Channels Crosstalk
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< -50dB (with external coder)
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<-60dB (with internal coder, from 100Hz to 5kHz)
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<-50dB (with internal coder, from 30Hz to 15kHz)
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Frequency Response (Program Channel)
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± 0.1dB (30Hz ~15kHz)
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Audio Filter Band Attenuation
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> 50dB (f =19KHz)
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Base Band Limiter Cut
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Adjustable between 0 and +7dBm.
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Frequency Response (Multiplex Input)
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±0.1dB (10Hz ~ 100KHz)
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Frequency Response (Aux Channel Input)
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±0.2dB (10Hz ~ 100KHz)
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