이더넷 UDP MPEG-TS 스트림 출력 방송을 갖춘 DVB-T2 ASI 변조기-복조기 모듈
목차
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, 치수, Signal Definitions
Control serial port level: RS232 수준, Module controls serial port, 전원 공급 장치, data serial port
DVB-T2 ASI modulator Module electrical characteristics
DC 전원 공급 장치, voltage 10V~20V
추천: The supply voltage is 12V, and the current is less than 800mA
DVB-T2 ASI modulator Module Technical parameters
RF 출력 전력 -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
대역폭: 5엠, 6엠, 7엠, 8엠.
FFT: 1케이, 2케이, 4케이, 8케이, 16케이, 32케이
Guard: 1/4, 1/8, 1/16, 1/32
Carrier Mode: 정상
TS Mode: NM, HEM
Pilot: PP1
Carrier Frequency: 340MHz의 (100Mhz~2.4GMhz optional)
PLP
Code Rate: 1/2, 3/5, 2/3, 3/4, 4/5, 5/6
LDPC: 16케이, 64케이
조정: QPSK, 16QAM, 64QAM, 256QAM
Rotation: 정상, 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.
- 낮은 전력 소비. 12V, 180엄마
- 높은 수신 감도. 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-비트 데이터 비트
- 1-bit stop bit
- 짝수 패리티
- 전송 속도: 19200
- 47 channels can be saved
Module interface, 크기, signal definition
메인보드 크기: 40mmX70mm
자주하는 질문
큐: Do you have a module for IP input ASI output?
에이: 아니.
큐: How can I send commands through the serial port to switch frequencies?
에이: 예, please edit the serial port command according to the following document.
EW300 dual tuner demodulation module technical description
큐: Does the RX demodulator board support DVB-T and 900Mhz?
에이: The RX demodulator boards only support DVB-T2 and Max 860Mhz, not cover 900Mhz.
상대적인
동영상
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)
기능
- 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 (예를 들어, LDPC/BCH error correction, QPSK/16-QAM/256-QAM modulation) to enhance spectrum efficiency and robustness.
주요 특징
- ASI Interface: Directly connects to ASI-based devices like encoders or multiplexers.
- Flexible Configuration: Supports adjustable parameters (예를 들어, FFT 크기, 가드 간격, pilot patterns) to optimize performance for varying environments.
- High Efficiency: Utilizes DVB-T2 advancements (예를 들어, MISO, rotated constellations) to maximize data capacity and coverage.
- 낮은 대기 시간: Designed for real-time applications such as live broadcasting.
응용
- TV broadcast transmitters, IPTV head ends, satellite uplink stations.
2. DVB-T2 Demodulation Board (ASI Output)
기능
- 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.
주요 특징
- 고감도: Stable reception in low signal-to-noise (SNR) 환경, 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 (예를 들어, 디코더, recording systems).
- Real-Time Monitoring: Provides diagnostics (예를 들어, 신호 강도, bit error rate) for network management.
응용
- 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.
- 높은 신뢰성: Industrial-grade design for 24/7 작업.
- Network Support: Compatible with Single Frequency Networks (SFN) and Multi-Frequency Networks (MFN).
4. 사용 사례
- 방송: Terrestrial digital TV, mobile TV (예를 들어, public transport systems).
- Professional Systems: Emergency communications, live event streaming, distance learning.
- Data Services: IP data broadcasting (예를 들어, OTA software updates, ad insertion).
요약
- Modulation Board: Acts as the 송신기, converting ASI streams into robust RF signals for distribution.
- Demodulation Board: Acts as the 수화기, recovering ASI streams from RF signals even in challenging conditions.
- 함께, 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, 가드 간격, and modulation schemes, allowing optimization for different broadcast scenarios. The modules are compact, 건장한, and highly reliable, making them ideal for professional TV broadcasting, IPTV head ends, mobile reception, and other mission-critical applications.