MPR51-ENG is a compact wideband receiver designed for professional ENG, broadcast, and field production applications.
This receiver features a real TRUE DIVERSITY configuration along with a unique wide-band tuning range of 230 MHz of bandwidth.
The software selectable
- analogue and digital outputs
- wideband and narrowband DSP-FM operation
gives users options based on their project needs.
The receiver also offers convenient function buttons, including a dedicated frequency scan option.
Battery management is flexible as it features standard battery packs that can be charged with the dedicated charger or through the micro-USB-B connector.
FEATURES
- True diversity receiver
- DSP Analogue & Digital Audio Output (AES3)
- 230 MHz bandwidth
- Wideband and Narrowband DSP-FM operation (SW selectable):
- – Narrowband allows more 50% band efficiency
- – Narrowband allows about 3dB extra sensitivity and noise immunity
- High contrast OLED display
- Automatic scan & transmitter programming through infrared
- DSP based for extreme flexibility and multicompanding operations
- Miniature design with integrated battery pack:
- – rechargeable lithium pack
- – 2 x AA batteries
- Operation and charger (lithium) thru USB connector
- Monitor & control through USB and Wisycom Manager 2.0 (computer SW):
- – This transform MPR51 in a quick portable spectrum scanner!
TECHNICAL DATA
- Frequency ranges: 470 ÷ 700 MHz
- Switchable channels: 2400 managed in 40 groups ofr 60 frequencies completely user customizabl
- Switching-window: Up 230 MHz
- Frequencies microprocessor controlled frequency synthesizer circuit, with 25 kHz minimum step; frequencies is easily PC reprogrammed with USBmini interface or optional UPKmini programmer
- Frequency error: < ± 2.5 ppm, within the rated temperature range
- Modulation: FM mono, wideband or narrowband IFB (SW selectable)
- Peak: deviation ±54 kHz (wideband), ± 40 kHz (narrowband)
- Antenna input impedance: 50 ohm sma type (SWR < 1:2; typ. 1:1.4)
- Sensitivity: 2 μV ( 6 dBμV), for SND/N > 52 dB; in the whole switching-window **
- Amplitude response: < 0.5 dB (for RF input signal:6 dBμV ÷ 100 dBμV)
- Co-channel rejection: > 80 dB typical (for channel spacing ≥ 400 kHz)
- Spurious emissions: < 2 nW (typical = 0.1 pW)
- Noise Reduction system:
- ENR / ENR-1.2 (Wisycom Extended-NR) , noise optimized
- ENC / ENC-1.2 (Wisycom Extended-NC), voice optimized & with reduced pre-emphasis
- ENS (for live application)
- ⇒ Others, compatible with most systems, thru an internal DSP emulation of SA572, SA575 and Rms envelope compander chip set, fully user programmable
- AF bandwidth: 30 Hz ÷ 20 kHz (wideband), 30 Hz ÷ 15 kHz (narrowband)
- Frequency response:
- ± 0.5 dB in the 30 Hz ÷ 19 kHz range (wideband),
- ± 0.5 dB in the 30 Hz ÷ 13 kHz (narrowband)
- Distortion: 0.3 % typical
- SND/D ratio (Analogue): 104 dB typical**
- SND/D ratio (AES3): > 125 dB typical
- Audio output:
- Electronically balanced on 3 pin mini-XLR Female connector
- analogue or digital (SW selectable), impedance ≤ 200 ohm
- Audio output level MAX: +18 dBu (peak deviation), adjustable in one dB step in a range of 54 dB
- Digital output: AES3 @ 48 kHz
- Monitor output: Stereo Plug 3.5mm(TRS) Locking (M6 x 0.5 thread)
- Monitor output: level 2 X 100mW @ 32 Ohm
- Managing interface: Infrared/micro-USB
- Display: OLED 128×64 (white)
- Front buttons: Simple operation with 4 buttons to quickly monitor and setup the receiver. One touch function for a frequency scan and sync function.
- Powering:
- 2 x IEC-LR6 1.5V size-AA alkaline or NiMh rechargeable
- – C3-V3 battery pack
- – KLIC 8000 or CR-V3R lithium (i.e. DR9708 duracell)
- Battery life: approx. 7 hours with MPRLBP Lithium-ion battery pack CS-KLIC8000 type
- Temperature: range -10 ÷ + 50 °C
- Dimensions: 91mm x 71.5mm x 27mm (HxWxD) with clip
- Weight: 100 g approx. without batteries
*RMS value, A-weighted, 22 Hz / 22 KHz
| Model | 25K, 5K |
|---|
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