8xDVB-S/S2 (8PSK, QPSK) to 4xDVB-C (QAM) Transmodulator: TERRA TDQ-441 (FTA)

Code: R81641

€901.67

Price	Disc.	Quantity	Validity
€901.67	0 %	from 1 piece

Available

The tdq441 transmodulator converts the DVB-S/S2(8PSK, QPSK) signal to 4 DVB-C QAM MUXes.

• DVB-S/S2 signal conversion from 8 satellite transponders to 4 DVB-C QAM multiplexes
• FTA free-to-air programmes
• Reception of 8 satellite transponders and conversion to any 4 DVB-C multiplexes
• Channel selection and filtering of unnecessary services in the digital stream
• Compatible with dSCR/Unicable multiswitch series
• Control via RJ-45 port, which greatly simplifies the installation procedure
• Internet management
• Reading the history of events (logs) from the panel
• AGC function (automatic control of signal amplification)

Estore: Transmodulators Library: About TV & SAT Antennas (3), In the Home (5), SMATV Systems (16), Installation Components (14), Designing (4), Measurements (4), Diagrams (13), Some Theory (12), DVB-T & DAB (9), CPR (1), HDMI (3).

100% Availability

We offer products available from our stock.

Fast shipping

We ship immediately, according to the order of purchases.

Warranty

4-year warranty.

Support

Any questions or comments?

Write to us!

Details

Terra TDQ-441 R81641 DVB-S/S2 to DVB-T transmodulator is used for reception of DVB-S/S2 (8PSK/QPSK) signals, selection of desired channels and retransmission of them in DVB-C (QAM) format in chosen RF channels. The device allows the user to receive and manage a range of free to air satellite channels. One TDQ-440 R81641 panel can receive channels from eight satellite transponders and convert selected channels into four neighboring DVB-C multiplexes, each with maximum throughput of 53 Mbps. In practice, each of the four multiplexes can carry over ten HD channels. The administrator of the system selects the required channels from the satellite streams and forms four DVB-C multiplexes. In each case, it is neceeesary to remember about 10% safety margin when determining the maximum bit rate for the whole multiplex (typically the ultimate bit rate of a multiplex should not exceed 48 Mbps). The output DVB-C QAM multiplexes are usually distributed to users by a passive network composed of RF splitters/taps. Such a solution is especially convenient in modern hotel TV systems distributing a variety of satellite channels, including HD broadcasts.

Thanks to RJ-45 Ethernet port, the programming of the TDQ-441 R81641 panel is performed via a web browser.

TDQ-440 R81641 unit is dedicated for receiving FTA satellite channels. In the case of encrypted channels, the suitable model is TDQ-420C R81639.

A great advantage of the Terra device is easy integration with other components:

multiswitches dSCR/Unicable, which enable independent distribution of DVB-S/S2 signal using one cable
with the ttq440 R81622 transmodulator - one panel receives the signal from four DVB-T/T2 multiplexes and then creates 4 adjacent DVB-C QAM multiplexes respectively, enabling reception of 4 digital multiplexes on TV sets equipped with a DVB-C headend
streamers IPTV - enable distribution and management of satellite, terrestrial and DVB cable TV offerings via Ethernet (LAN) based on twisted-pair cable
optical transmitters - transmit television signals using fibre-optic medium
devices dedicated to reception and processing of television signals (channel and broadband amplifiers, analogue and digital modulators)

The R81641 units can be mounted on the R82538 or R82539 DIN rail (also in a RACK cabinet) and powered from DR-60-12 R82532 or UP413 R82533 power supply.

Key features:

conversion of DVB-S/S2 signal from eight satellite transponders to 4 DVB-C QAM multiplexes
reception of eight satellite transponders and conversion to any four DVB-C multiplexes
TDQ-440 creates four contiguous DVB-C multiplexes (4 DVB-C MUXes, each with a maximum capacity of 53 Mbit/s)
channel selection and filtering of unnecessary services in the digital stream
compatible with multiswitch series dSCR/Unicable
simple control interface via RJ-45 port, which greatly simplifies the installation procedure
management via Internet
reading of event history (logs) from the panel
AGC (automatic gain control) function

View of the information window of TDQ-440 R81641 module

(among others DVB-S2 input RF levels, SNR, VBER parameters)

Free selection of channels and filtration of services

Creation of 4 contiguous DVB-C MUXes (each with a maximum capacity of 53 Mbit/s) with any programme content.

An example of SMATV system. With the application of the GT-WB1 A98222 LNBs and the SRM-522 R80522 multiswitch, all using Wideband technology, the system can distribute satellite channels from two satellites.

Add to the Cart items from the diagram

DIPOL offers the following transmodulators of DVB-S/S2 (8PSK, QPSK) signals:

Model	TDX-410C	TDX-420	TDX-420C	TDX-441	TDX-480

Code	R81617	R81618	R81619	R81614	R81621
Input signals	DVB-S/S2 (8PSK, QPSK)	DVB-S/S2 (8PSK, QPSK)	DVB-S/S2 (8PSK, QPSK)	DVB-S/S2 (8PSK, QPSK)	DVB-S/S2 (8PSK, QPSK)
Number of transponders	1	2	2	8	8
Output signals	DVB-T COFDM	DVB-T COFDM	DVB-T COFDM	DVB-T COFDM	DVB-T COFDM
Number of MUXes	1	2	2	4	8
Max. bit rate [Mbps]	31.66	2x31.66	2x31.66	4x31.66	8x31.66
CI slot	1x	No	2x	No	No

Configuration of DVB-S/S2 (8PSK, QPSK) - DVB-T (COFDM) TERRA transmodulator (example: tdx-480 R81621)

Specifications

Product type			Transmodulator
Name			tdq441
Brand			TERRA
Conversion			DVB-S/S2--->DVB-C
RF input	Number of supported transponders		8
	Number of F-connectors		2
Channels	FTA (uncoded)		Yes
	Coded (CI slot)		No
Technical specifications
RF input	Frequency range	MHz	950...2150
	Power supply/control		0/13/18 V & 22 kHz, max. 1 A,DiSEqC 1.0, EN50607, EN50494
	standard		DVB-S/S2
	Modulation		QPSK, 8PSK
	Signal strength	dBµV	55...95
	Impedance	Ohm	75
	RF throughput - gain	dB	-1 ± 1
RF output	standard		DVB-C/J.38B
	Number of DVB-C MUXes		4 (nearby)
	Modulation		QAM16, QAM32, QAM64, QAM128
	Frequency range	MHz	96...862
	Signal strength	dBµV	90
	Signal pos. adjustment	dB	0...15 with step 1 dB
	Impedance	Ohm	75
	MER	dB	>40
	Channel bands	MHz	4...8.3
Symbol rate		Ms/s	3.5...7.2
RF output	Bandwidth	Mbps	4 × 53
RF combiner	Frequency range	MHz	45...862
	Connector		F
	Loss	dB	2.5
General
Configuration	IP address		192.168.1.10
	Remote		Yes
Current drawn		V/A	DC 12/0.8
Operating temperature		°C	0...+45
Dimensions		mm	48,5 × 198 × 112

Videos

Hotel TV system based on conversion of DVB-S/S2 signals to DVB-T standard

2017-12-20

Digital headends distributing satellite channels converted to DVB-T COFDM form have become popular solutions in hotels. TERRA system has been designed for building TV distribution installations providing signals to standard televisions with built-in DVB-T tuners and allowing reception of terrestrial (DVB-T) and satellite (DVB-S/S2) channels ...