FMUSER INTERNATIONAL GROUP INC
Address: Room305, HuiLanGe, No.273 HuangPu Road West, TianHe District., GuangZhou, China, 510620
Address in Chinese: 广州市天河区黄埔大道西273号惠兰阁305
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Phone/Whatsapp/Wechat: +86 15800205544
Skype: Erin-huang2
Email: [email protected]
FMUSER Studio Transmitter Link Equipment Digital STL Video Audio Transmission System For Radio TV Station
1. Functional overview:
The FMUSER digital STL audio and video transmission system is a professional system which can transmit 4 stereo (or 8 mono) analog/digital audio signals and 1 digital video signal wirelessly from the studio to the transmitting station. The system uses state-of-the-art software-defined radio (SDR) technology, digital code modulation, digital demodulation and decoding to transmit and receive, enabling audio/video signals to be transmitted at very high quality and with virtually no damage.
One set of FMUSER standard configuration STL system equipment has a transmission distance of 60 kilometers in line of sight. The FMUSER transmission system consists of STL transmitter, transmission filter, transmitting antenna & feeder cables, receiving antenna & feeder cables and STL receiver.
The diagram as below:
Specification:
Item
Value
General Technical
Specifications
Working Frequency
100MHz～1000MHz, continuously adjustable, stepping amount 10KHz
Frequency stability
2ppm
Transmitting power
2W @ shoulder >45dB, out-of-band
spurious <-80dBc
Modulation type
Stereo audio signal [email protected]; ASI
signal 15MBit/[email protected]
Receive sensitivity
32 QAM/-78dBm @80dB S/N
Input/output audio signal
Analog audio signal or digital audio signal
(AES/EBU)
Input/output video signal
ASI
Working temperature
-10℃~+50℃
Audio Technical
Specifications
Signal to noise ratio
>85dB @1KHz,0dBm
Distortion
<0.05% @30Hz～15000Hz,0dBm
Audio frequency response
±0.1dB @30Hz～15000Hz,0dBm
Left and right channel separation
>80dB @30Hz～15000Hz,0dBm
Video Technical
Specifications
Band Shoulder
>50dB
MER
>45
Power Demand
Power Supply Voltage
90～260VAC full range
Power Consumption
50W
Mechanical
Dimensions
Transmitter
19-inch standard chassis, height 2U
Receiver
19 inches, height 1U
Cooling system
forced air cooling, three anti-treatment
Noise
<50dB
Input &
Output
Audio Mono Analog Audio（MPX）
-15dBm～+15dm，600Ω, XLR interface
Audio stereo dual channel
-15dBm～+15dm，600Ω, XLR interface
Digital Audio AES/EBU
-39dBFS～0dBFS，110Ω, XLR interface
Digital Video ASI
1Vp-p，BNC interface
RF input and output interface
N (Female)
