ماژول مدولاتور-دمودولاتور DVB-T2 ASI با پخش جریان خروجی پخش جریانی اترنت UDP MPEG-TS
فهرست مطالب
DVB-T2 ASI modulation Module with ASI TS stream input and RF output
Broadcast with precision using our DVB-T2 modulator with ASI input.را
Seamless ASI to DVB-T2 modulation for professional broadcasting.را
High-quality DVB-T2 transmission starts with reliable ASI input.
DVB-T2 ASI Module Interface, ابعاد, Signal Definitions
Control serial port level: RS232 level, Module controls serial port, منبع تغذیه, data serial port
DVB-T2 ASI modulator Module electrical characteristics
DC power supply, voltage 10V~20V
توصیه: The supply voltage is 12V, and the current is less than 800mA
DVB-T2 ASI modulator Module Technical parameters
توان خروجی RF -15 +3 DBM به (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
پهنای باند: 5م, 6م, 7م, 8م.
FFT: 1K, 2K, 4K, 8K, 16K, 32K
Guard: 1/4, 1/8, 1/16, 1/32
Carrier Mode: عادی
TS Mode: NM, HEM
Pilot: PP1
Carrier Frequency: 340مگاهرتز (100Mhz~2.4GMhz optional)
PLP
Code Rate: 1/2, 3/5, 2/3, 3/4, 4/5, 5/6
LDPC: 16K, 64K
تلفیق: QPSK, 16QAM, 64QAM, 256QAM
Rotation: عادی, 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.
- مصرف برق کم. 12V, 180mA
- حساسیت دریافت بالا. 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-بیت داده بیت
- 1-bit stop bit
- حتی برابری
- نرخ باود: 19200
- 47 channels can be saved
Module interface, اندازه, signal definition
اندازه تخته اصلی: 40mmX70mm
پرسش و پاسخ
س: Do you have a module for IP input ASI output?
آ: خیر.
س: How can I send commands through the serial port to switch frequencies?
آ: بله, please edit the serial port command according to the following document.
EW300 dual tuner demodulation module technical description
س: Does the RX demodulator board support DVB-T and 900Mhz?
آ: The RX demodulator boards only support DVB-T2 and Max 860Mhz, not cover 900Mhz.
نسبی
ویدئو
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)
تابع
- 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 (به عنوان مثال, LDPC/BCH error correction, QPSK/16-QAM/256-QAM modulation) to enhance spectrum efficiency and robustness.
ویژگی های کلیدی
- ASI Interface: Directly connects to ASI-based devices like encoders or multiplexers.
- Flexible Configuration: Supports adjustable parameters (به عنوان مثال, FFT size, فاصله نگهبانی, pilot patterns) to optimize performance for varying environments.
- High Efficiency: Utilizes DVB-T2 advancements (به عنوان مثال, MISO, rotated constellations) to maximize data capacity and coverage.
- زمان تاخیر کم: Designed for real-time applications such as live broadcasting.
برنامه های کاربردی
- TV broadcast transmitters, IPTV head ends, satellite uplink stations.
2. DVB-T2 Demodulation Board (ASI Output)
تابع
- 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.
ویژگی های کلیدی
- حساسیت بالا: Stable reception in low signal-to-noise (SNR) محیط ها, ideal for weak signal areas.
- Robust Against Interference: Mitigates multipath effects via OFDM and dynamic channel equalization.
- ASI Output: Delivers standard ASI streams to downstream devices (به عنوان مثال, decoders, recording systems).
- Real-Time Monitoring: Provides diagnostics (به عنوان مثال, قدرت سیگنال, bit error rate) for network management.
برنامه های کاربردی
- 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.
- قابلیت اطمینان بالا: Industrial-grade design for 24/7 عملیات.
- Network Support: Compatible with Single Frequency Networks (SFN) and Multi-Frequency Networks (MFN).
4. موارد استفاده
- پخش: Terrestrial digital TV, mobile TV (به عنوان مثال, public transport systems).
- Professional Systems: ارتباطات اضطراری, live event streaming, distance learning.
- Data Services: IP data broadcasting (به عنوان مثال, OTA software updates, ad insertion).
خلاصه
- Modulation Board: Acts as the فرستنده, converting ASI streams into robust RF signals for distribution.
- Demodulation Board: Acts as the گیرنده, recovering ASI streams from RF signals even in challenging conditions.
- با هم, 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.را
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, قوی, and highly reliable, making them ideal for professional TV broadcasting, IPTV head ends, mobile reception, and other mission-critical applications.