MRK980

Διπλός Δέκτης ασύρματου μικροφώνου, true diversity, ultra-wideband,με multicompanding system και δυνατότητα τοποθέτησης σε Rack 19’’ 1 U. Διαθέτει Bandwidth έως 1090 MHz σε εύρος 170/1260 MHz. Παρέχει ευελιξία στις μπάντες συχνοτήτων, αποτρέποντας το intermodulation. Περιέχει εσωτερικό επεξεργαστή DSP, είναι συμβατό με Dante και διαθέτει ανανεωμένο user interface για γρήγορο και εύκολο setup. Περιέχει αναλογικές, AES/EBU και Dante εξόδους (με redundancy). Παρέχεται προαιρετικά η δυνατότητα Push to talk (PTT) με dedicated outputs.

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.
RMS value, A-weighted, 22 Hz / 22 KHz

MRK980

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