وحدة المغير والمزيل التشكيل DVB-T2 ASI مع بث إخراج تيار Ethernet UDP MPEG-TS
جدول المحتويات
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, الأبعاد, Signal Definitions
Control serial port level: مستوى RS232, Module controls serial port, مزود الطاقة, المنفذ التسلسلي للبيانات
DVB-T2 ASI modulator Module electrical characteristics
إمدادات الطاقة العاصمة, voltage 10V~20V
توصية: The supply voltage is 12V, and the current is less than 800mA
DVB-T2 ASI modulator Module Technical parameters
طاقة خرج الترددات اللاسلكية -15 +3 ديسيبل (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
عرض النطاق: 5م, 6م, 7م, 8م.
تحويل فوري مباشر: 1ك, 2ك, 4ك, 8ك, 16ك, 32ك
Guard: 1/4, 1/8, 1/16, 1/32
وضع الناقل: طبيعي
TS Mode: NM, HEM
Pilot: PP1
Carrier Frequency: 340ميجاهيرتز (100Mhz~2.4GMhz optional)
PLP
Code Rate: 1/2, 3/5, 2/3, 3/4, 4/5, 5/6
الحزب الديمقراطي الليبرالي: 16ك, 64ك
تعديل: QPSK, 16QAM, 64QAM, 256QAM
Rotation: طبيعي, 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.
- انخفاض استهلاك الطاقة. 12V, 180أماه
- حساسية استقبال عالية. 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-بت البيانات بت
- 1-قليلا توقف قليلا
- Even parity
- معدل الباود: 19200
- 47 channels can be saved
Module interface, مقاس, signal definition
Mainboard size: 40mmX70mm
التعليمات
س: Do you have a module for IP input ASI output?
أ: لا.
س: How can I send commands through the serial port to switch frequencies?
أ: نعم فعلا, please edit the serial port command according to the following document.
الوصف الفني لوحدة إزالة التشكيل ذات الموالف المزدوج EW300
س: Does the RX demodulator board support DVB-T and 900Mhz?
أ: The RX demodulator boards only support DVB-T2 and Max 860Mhz, not cover 900Mhz.
نسبي
فيديو
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)
وظيفة
- 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 (على سبيل المثال, LDPC/BCH error correction, QPSK/16-QAM/256-QAM modulation) to enhance spectrum efficiency and robustness.
الميزات الرئيسية
- ASI Interface: Directly connects to ASI-based devices like encoders or multiplexers.
- Flexible Configuration: Supports adjustable parameters (على سبيل المثال, FFT size, فاصل الحراسة, pilot patterns) to optimize performance for varying environments.
- High Efficiency: Utilizes DVB-T2 advancements (على سبيل المثال, MISO, rotated constellations) to maximize data capacity and coverage.
- قليل من الكمون: Designed for real-time applications such as live broadcasting.
التطبيقات
- TV broadcast transmitters, IPTV head ends, satellite uplink stations.
2. DVB-T2 Demodulation Board (إخراج عاصي)
وظيفة
- 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.
الميزات الرئيسية
- حساسية عالية: Stable reception in low signal-to-noise (SNR) البيئات, ideal for weak signal areas.
- Robust Against Interference: Mitigates multipath effects via OFDM and dynamic channel equalization.
- إخراج عاصي: Delivers standard ASI streams to downstream devices (على سبيل المثال, decoders, recording systems).
- المراقبة في الوقت الحقيقي: Provides diagnostics (على سبيل المثال, قوة الإشارة, معدل الخطأ قليلا) for network management.
التطبيقات
- 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.
- High Reliability: Industrial-grade design for 24/7 عملية.
- Network Support: Compatible with Single Frequency Networks (SFN) and Multi-Frequency Networks (MFN).
4. حالات الاستخدام
- البث: Terrestrial digital TV, mobile TV (على سبيل المثال, public transport systems).
- Professional Systems: Emergency communications, live event streaming, distance learning.
- Data Services: IP data broadcasting (على سبيل المثال, OTA software updates, ad insertion).
ملخص
- Modulation Board: Acts as the الارسال, converting ASI streams into robust RF signals for distribution.
- Demodulation Board: Acts as the المتلقي, recovering ASI streams from RF signals even in challenging conditions.
- Together, 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, فترات الحراسة, and modulation schemes, allowing optimization for different broadcast scenarios. The modules are compact, قوي, and highly reliable, making them ideal for professional TV broadcasting, IPTV head ends, mobile reception, and other mission-critical applications.