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Wisycom MRK980 - Dual True Diversity Receiver with Dante on 19" 1U rack

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Two Channel Ultrawide band receiver

Wisycom MRK980 is a true diversity, ultra-wideband dual channel receiver. With its 1090MHz of band switching, it ensures the users an exceptional band flexibility, combined with a superb selectivity and intermodulation immunity, for best operating performances of the wireless microphone systems. MRK980 also features an internal DSP processor, Wisycom famous Multicompanding system, new Dante compatibility and a completely and renewed user interface, which make this system easy and quick to setup.

FEATURES

  • Two channels true diversity receiver (full DSP processing)
  • Up to 1090 MHz bandwidth in 170/1260 MHz range
  • Push to talk (PTT) enabled with dedicated outputs (optional)
  • Analogue, AES/EBU & Dante outputs (with redundancy)
  • Dante machine Synchronized mode: no sample rate delay!
  • Next Gen Multiband front-end filtering:
    • High Q moving filter in 170-230 MHz
    • High Q moving filter in 470-800 MHz
    • High Q moving filter in 960-1160 MHz (DME) (or 806-810 MHz saw filter – Japan)
  • Country specific saw filters: USA 940-960 MHz or Japan 1240-1260 MHz
  • Wideband and Narrowband DSP-FM operation (SW selectable):
  • Narrowband allows 50% more band efficiency (200/250 kHz channel density)
  • Narrowband allows about 3dB extra sensitivity and noise immunity
  • Extreme low noise VCO with ultrafast spectrum scan for optimal quick & easy setup
  • High contrast OLED display
  • Monitor & control through USB and Wisycom Manager 2.0 (computer SW)
  • Expansion slot for GPIO or future additional feature
  • 1x Wisycom 980
  • 2x CABB003: Antenna Cable, 30cm BNC-M/BNC-M connectors 50Ω
  • 1x Ethernet cable RJ45 Antennas and power supply cable CAL-x to order separately
  • Frequency ranges - 170 ÷ 230MHz (VHF) and 470 ÷ 800MHz and 960 ÷ 1160 MHz (DME)
  • Switchable channels - 2400 managed in 40 groups ofr 60 frequencies completely user customizable
  • Switching-window - up to 1090 MHz
  • Frequencies - Microprocessor controlled PLL frequency synthesizer circuit, with 5 KHz minimum step;frequencies are easily PC reprogrammed with Wisycom Manager thru Ethernet
  • Frequency error - < ± 2.5 ppm, within the rated temperature range
  • Diversity technique - True-diversity (Twin receiver circuits)
  • Modulation - FM mono, wideband or narrowband (SW selectable)
  • Peak deviation - ±40 kHz (narrowband), ±56 kHz (wideband), ±80 kHz MAX
  • “A” / “B” antenna inputs:
    • 2 x BNC type female connectors for inputs
    • 2 x BNC type female connectors for loop
  • Antenna input impedance - 50 ohm (SWR < 1:2)
  • Antenna booster powering - +12Vcc / 300mA MAX
  • Sensitivity:
    • Normal Mode: Wideband - 2 dBμV / Narrowband -0,3 dBμV
    • High Sensitivity Mode - Wideband 1 dBμV / Narrowband -1,3 dBμV
  • Amplitude response - < 0.2 dB (for RF input signal: +4 dBµV ÷ +120 dBµV)
  • Co-channel rejection - > -3.5 dB @ 2 µV RF; > -1.5 dB @ 100 µV RF
  • Adjacent chan. Selectivity:
    • 90 dB @ ± 300 KHz (wideband)
    • 90 dB @ ± 150 KHz (narrowband)
  • Spurious rec. rejection - > 90 dB
  • IF image rejection - > 110 dB
  • IIP3 - >= +20 dBm (typical)
  • Spurious emissions - < 1pW (typical. = 0.1 pW)
  • Noise Reduction system compander circuit, can be pre-set (or switched off) to the following modes:
    • ENR (Wisycom Extended-NR) noise optimized
    • ENC (Wisycom Extended-NC) voice optimized & with reduced pre-emphasys
    • CUSTOM (to be compatible with other brands transmitters)
  • AF bandwidth:
    • 20 Hz ÷ 20 kHz (wideband)
    • 20 Hz ÷ 15 kHz (narrowband)
  • Frequency response:
    • ± 0.5 dB in the 20 Hz ÷ 19 kHz range (wideband)
    • ± 0.5 dB in the 20 Hz ÷ 13 kHz (narrowband)
  • Distortion - 0,08% typ. (nominal deviation @1kHz)
  • SND/D ratio (Analogue) - 115 dBA typ.(analog),
  • SND/D ratio (Digital) - >130 dBA (AES3/Dante)
  • Audio output:
    • 2x XLR-3M connectors + 2 TRS for audio line-outpus trafo balanced (MAIN OUTs with transformer)
    • 2x XLR-3M connectors for audio outpus balanced transformer-like floating (AUX OUTs used for PTT)
  • Audio output level
    • +24 dBu @ peak deviation for MAIN and AUX outputs
    • +14dBu @ peak deviation for TRS outputs
  • Calibrating AF tone - Tone/sweep, up to +24 dBu (on MAIN and/or AUX outputs)
  • Digital output:
    • AES3: XLR-3M with word clock in/out
    • Dante: 2 x Ethernet 10/100/1000 Base TX RJ45
  • Digital sample rate - AES3 @ 48 kHz 24 bit, word clock input from 32KHz to 108KHz
  • Monitor output - 1/4” (6.3 mm) stereo jack connector
  • Monitor output level - max 6 Vrms / 150 ohm
  • Monitor out impedance - 100 ohm for auricle
  • Managing interface - 2 x 10/100/1000 Base TX RJ45 Ethernet, Infrared, Bluetooth
  • Bar-graph meters:
    • RF Level Bars: RF field strengths (both “A” and “B” inputs) from 10 to 70 dBμV or LQ (link quality)
    • AF Bars: deviation (5% ÷ 150%), with peak-hold mode.
  • Display - 64 x 256 OLED (yellow)
  • Powering - AC 99 ÷ 138 Vac and 187 ÷ 264 Vac, with automatic switching / 100 VA max.
  • DC options - 6A max @ 10÷28VDC (optional)
  • Temperature range - -10 ÷ + 55 °C
  • Dimensions - 19”/1U
  • Weight - 4 Kg approx. *RMS value, A-weighted, 22 Hz / 22 KHz