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CAPÍTULO 5
5.1 Input & output
RF INPUT: BNC connector
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AUDIO OUTPUT: L&R two XLR balanced +4 dBu
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MPX INPUT: 1Vrms for 100% mod.
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MPX OUTPUT: 1Vrms for 100% mod. Z out = 220 ohm
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HEADPHONE: (front panel) 1/8" Stereo, volume control . (32 – 600 ohm)
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PEAK WEIGHTING SELECTOR: DIP switch 5 – 2 – 1 – 0,5 msec
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RS232 CONTROL: 9 pin D Female Connector
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OPTIONAL: Ethernet TCP/IP Control Module, RJ45
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RDS ANALYZER: USB connector type B, status led's, aux. Headphone output
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MODULATION CALIBRATOR: Test button – preset adjust
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5.2 FM Digital receiver
FREQUENCY RANGE: 87.5 - 108 MHz
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FM CHANNELS: 50 KHz steps
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PRESET FM STATIONS: 16 Preset Memories, including Name
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FRONT END: Dual Gate Mosfet
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IMAGE REJECTION: 50 dB
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IF REJECTION: 80 dB
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SENSIBILITY: 40 uV for 12 dB SINAD
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NOISE: S/N ratio > 60 dBa
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THD: > 0,5 % at 1 KHz 100% Mod.
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IF BANDWIDTH: 270 KHz for audio / 10 KHz Bandwidth and Spectrum modes
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FREQ RESPONSE: 20 - 60 KHz, +/- 0,2 dB
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5.3 Stereo Decoder
Output Level: + 4 dBu Balanced
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SNR: > 85 dBA
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THD: > 0,02% Mono & Stereo
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Stereo Separation: 50 dB @ 1Khz
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Pilot Tone attenuation: 50 dB
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De-emphasis: 75 usec (50 uS on demand)
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5.4 Test measurements and digital processing
MODULATION: FM Modulation from 10 to 160%
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Error: less than 2 % at 100% modulation
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Optional: 0,1 % precision Internal crystal calibrator for 100% modulation
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Fast Peak: measure less than 200 uS or Peak Weighting 5, 2, 1, 0.5 msec
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FM deviation peak from 0 to 120 KHz
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OVERMODULATION: peaks/minute counter over 105% modulation
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FIELD INTENSITY: 40 to 99 dBuv with user defined correction factor for antenna gain. Error less than 2 dB at 100 MHz.
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PILOT TONE LEVEL: 19 KHz pilot level, from 0 to 20 % in 0.1 % steps +/- 0.5 %
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PILOT TONE FREQUENCY: Frequency error from -99 to + 99 Hz +/- 0.5 Hz
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RDS SUBCARRIER LEVEL: 57 KHz pilot level, from 0 to 10 % in 0.1 % steps +/- 0.5 %
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PILOT FREQUENCY: Frequency error from -99 to + 99 Hz +/- 0.5 Hz
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CARRIER DEVIATION: Digital display, + / - 9,9 KHz in 0,1 KHz steps / Error < 0,2 Khz
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STEREO LEVEL: -20 to + 5 dB L/R & L-R Mode, user selected 2 state VU: Ballistic & Peak
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STEREO PHASE: Phase Correlation from 0 to 180 degrees. It indicates the true stereo sensation the audience is hearing.
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Analog Vectorscope and Digital mode. MONO & INVERSE phase
SOLIDYNE
Especificaciones técnicas
VA 16 Virtual Monitor
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