Ethernet UDP MPEG-TS akış çıkışı yayınına sahip DVB-T2 ASI modülatör-demodülatör modülü
İçindekiler
DVB-T2 ASI modulation Module with ASI TS stream input and RF output
Broadcast with precision using our DVB-T2 modulator with ASI input.
Seamless ASI to DVB-T2 modulation for professional broadcasting.
High-quality DVB-T2 transmission starts with reliable ASI input.
DVB-T2 ASI Module Interface, boyutlar, Signal Definitions
Control serial port level: RS232 level, Module controls serial port, güç kaynağı, veri seri bağlantı noktası
DVB-T2 ASI modulator Module electrical characteristics
DC güç kaynağı, voltage 10V~20V
Tavsiye: The supply voltage is 12V, and the current is less than 800mA
DVB-T2 ASI modulator Module Technical parameters
RF çıkış gücü -15 +3 dBm (less than 1GHz, greater than 1G, requires actual measurement).
Shoulder not less than 50dB
DVB-T2 ASI modulator Module parameters and configuration software
The software configuration interface is shown below
DVB-T2 Configuration Assistant software Download
https://drive.google.com/file/d/1MrixePytV5qzUFGW4KTATuYBjvnxq3pW/view?usp=drive_link
DVB-T2 configurable parameters
Bant genişliği: 5M, 6M, 7M, 8M.
FFT: 1K, 2K, 4K, 8K, 16K, 32K
Guard: 1/4, 1/8, 1/16, 1/32
Carrier Mode: Normal
TS Mode: NM, HEM
Pilot: PP1
Carrier Frequency: 340MHz (100Mhz~2.4GMhz optional)
PLP
Kod Hızı: 1/2, 3/5, 2/3, 3/4, 4/5, 5/6
LDPC: 16K, 64K
Modülasyon: QPSK, 16QAM, 64QAM, 256QAM
Rotation: Normal, Rotated
DVB-T2 ASI Demodulation Module with RJ45 ethernet UDP output
DVB-T2 ASI Demodulation Module Feature
- Modular. Consists of a mainboard and a control panel.
- Düşük güç tüketimi. 12V, 180mA
- High receiving sensitivity. Can reach -106dBm
- Dual antenna diversity reception. Bandwidth from 5MHz to 8MHz, step 1M, frequency 100MHz to 860MHz.
- ASI TS stream output
DVB-T2 ASI Demodulation Module function
- Parameters of the communication control serial port
- 8-bit veri biti
- 1-bit durdurma biti
- Even parity
- Baud hızı: 19200
- 47 channels can be saved
Modül arayüzü, boyut, signal definition
Mainboard size: 40mmX70mm
SSS
S: Do you have a module for IP input ASI output?
bir: Yok hayır.
S: How can I send commands through the serial port to switch frequencies?
bir: Evet, please edit the serial port command according to the following document.
EW300 çift tunerli demodülasyon modülünün teknik açıklaması
S: Does the RX demodulator board support DVB-T and 900Mhz?
bir: The RX demodulator boards only support DVB-T2 and Max 860Mhz, not cover 900Mhz.
Akraba
-
ASI Yayın düzeyinde profesyonel donanıma sahip DVB-T alıcısı
- EW300 çift tunerli demodülasyon modülünün teknik açıklaması
Video
About DVB-T2 ASI modulator and demodulator products
DVB-T2 Modulation Board (with ASI Input) and Demodulation Board (with ASI Output): Functions and Features
1. DVB-T2 Modulation Board (ASI Input)
İşlev
- Converts ASI input signals (typically MPEG-TS streams) into DVB-T2-compliant RF signals for broadcast transmission via antennas or cable networks.
- Applies advanced DVB-T2 encoding and modulation techniques (örneğin, LDPC/BCH error correction, QPSK/16-QAM/256-QAM modulation) to enhance spectrum efficiency and robustness.
Ana Özellikler
- ASI Interface: Directly connects to ASI-based devices like encoders or multiplexers.
- Flexible Configuration: Supports adjustable parameters (örneğin, FFT boyutu, koruma aralığı, pilot patterns) to optimize performance for varying environments.
- High Efficiency: Utilizes DVB-T2 advancements (örneğin, MISO, rotated constellations) to maximize data capacity and coverage.
- Düşük gecikme süresi: Designed for real-time applications such as live broadcasting.
Uygulamalar
- TV broadcast transmitters, IPTV head ends, satellite uplink stations.
2. DVB-T2 Demodulation Board (ASI Çıkışı)
İşlev
- Receives and demodulates DVB-T2 RF signals, restoring them to ASI-formatted MPEG-TS streams.
- Corrects transmission errors using DVB-T2’s LDPC+BCH error-correction coding.
Ana Özellikler
- High Sensitivity: Stable reception in low signal-to-noise (SNR) ortamlar, ideal for weak signal areas.
- Robust Against Interference: Mitigates multipath effects via OFDM and dynamic channel equalization.
- ASI Çıkışı: Delivers standard ASI streams to downstream devices (örneğin, decoders, recording systems).
- Real-Time Monitoring: Provides diagnostics (örneğin, sinyal gücü, bit error rate) ağ yönetimi için.
Uygulamalar
- TV receiver stations, cable head ends, mobile reception systems (e.g.,车载TV).
3. Common Features
- DVB-T2 Compliance: Ensures global interoperability with standardized equipment.
- Yüksek Güvenilirlik: Industrial-grade design for 24/7 operasyon.
- Network Support: Compatible with Single Frequency Networks (SFN) and Multi-Frequency Networks (MFN).
4. Kullanım Durumları
- Broadcasting: Terrestrial digital TV, mobile TV (örneğin, public transport systems).
- Professional Systems: Emergency communications, live event streaming, distance learning.
- Data Services: IP data broadcasting (örneğin, OTA software updates, ad insertion).
Özet
- Modulation Board: Acts as the verici, converting ASI streams into robust RF signals for distribution.
- Demodulation Board: Acts as the alıcı, recovering ASI streams from RF signals even in challenging conditions.
- Birlikte, they form a complete DVB-T2 transmission chain, enabling high-capacity, high-reliability digital broadcasting.
Advanced DVB-T2 decoder designed for seamless ASI signal integration.
Robust DVB-T2 receiver ensuring flawless ASI output transmission.
iVcan.com –
I have been using the DVB-T2 ASI modulator and demodulator modules for several broadcasting projects, and they are outstanding. The modulator reliably converts ASI MPEG-TS streams into DVB-T2 RF signals with minimal latency, while the demodulator accurately restores the streams to ASI output, even in low SNR environments. Configuration is flexible, with adjustable FFT, guard intervals, and modulation schemes, allowing optimization for different broadcast scenarios. The modules are compact, sağlam, and highly reliable, making them ideal for professional TV broadcasting, IPTV head ends, mobile reception, and other mission-critical applications.