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Wisycom MRK980-US-EX0 - Two-Channel True Diversity Receiver (170-900 MHz)

 
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    WISY-MRK980USEX0
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Description

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. ... Read More

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Description

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 and 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 and easy setup
  • High contrast OLED display
  • Monitor and control through USB and Wisycom Manager 2.0 (computer SW)
  • Expansion slot for GPIO or future additional feature

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Product Specs

Frequency ranges 170 ÷ 230MHz (VHF) and 470 ÷ 800MHz and
960 ÷ 1160 MHz (DME) or 806 ÷ 810 MHz (JP) or 940 ÷ 960 MHz (USA) or 1240 ÷ 1260 MHz (JP)
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 2 XLR-3M connectors + 2 TRS for audio line-outpus trafo balanced (MAIN OUTs with transformer)
2 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.
Note *RMS value, A-weighted, 22 Hz / 22 KHz

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