DVB-T Modulator.pdf

The FNJ-DT2-04 is a Terrestrial Modulator Series (DVB-T/T2/Tx2) device that offers advanced features for digital broadcasting. Here are the key points:

Key Features:

1. Dual DVB-T/T2 Modulation: Supports simultaneous modulation of two DVB-T or DVB-T2 channels.
2. ASI and IP Inputs: Accepts up to 4 ASI inputs and 1 TS over IP input.
3. RF Output: Provides a single RF output with a frequency range of 470-862 MHz (UHF option) or 174-230 MHz (VHF option).
4. Digital Adaptive Pre-Correction: Offers advanced pre-correction modes, including adaptive LC and NLC, to improve signal quality.
5. BISS Descrambling: Supports BISS descrambling for secure signal transmission.
6. Remote Control and Monitoring: Allows for remote control and monitoring via web, SNMP, and local user interface.
7. Compliance: Meets various international standards, including DVB, ASI, and SFN.

Technical Specifications:

1. Input:
ASI inputs: up to 4xBNC, 75 Ω, DVB-ASI, 188/204 Bytes
TS over IP input: 1xRJ45, based on SMPTE-2022
DVB-T/T2 RF input (optional): up to 4 F connectors, RF frequency range: VHF/UHF
2. Output:
RF output: 1xSMA, 50 Ω, frequency range: 470-862 MHz (UHF option) or 174-230 MHz (VHF option)
RF monitoring connector: 1xBNC, 50Ω, coupling factor: 30dB
3. Modulation:
DVB-T: up to two modulation cores, output channel spacing: all channels within 40MHz bandwidth
DVB-T2: transmission mode: MFN, SFN-SISO, SFN-MISO, modulation mode: single PLP, multi-PLP up to 255 PLPs
4. Control and Monitoring:
Local user interface: character LCD and keypad
Remote connection port: 2xRJ45 (10/100 Base-T)
Remote user interface: web, SNMP v1/v2/v3

Physical and Environmental Specifications:

1. Power Requirement: operating voltage: 90~260 VAC, 50~60Hz, power consumption: 30W max
2. Dimension and Weight: weight: 4.5 kg, dimensions (W x H x D): 48 cm x 4.4 cm x 35 cm (width: 19 inch, height: 1RU)
3. Environmental: operating temperature: 0 ~ +50 °C, storage temperature: -25 ~ +60 °C, relative humidity: 95% (non-condensing)

Ordering Information:

1. Model: FNJ-DT2-Base (base system), FNJ-DT2-IRD/RMX (remux and BISS descrambler), FNJ-DT2-TX CTRL (simple transmitter control), FNJ-DT2-EXT PWR (extended output power up to +10dBm), FNJ-DT2-GPS (GPS receiver)