R&S®NW8200 Family of VHF Transmitters

Air-cooled transmitters for analog and digital TV

This is a discontinued product
Please note the following successor product(s):
  • Overview

Key Facts

  • 330 W to 2 kW output power for DVB-T, DVB‑T2, ISDB-T/ISDB-TB and DTMB, as well as for DVB-H and MediaFLO™
  • 500 W to 2 kW output power for ATSC and ATSC Mobile DTV
  • Frequency range from 170 MHz to 254 MHz

Brief Description

The R&S®NW8200 family of air-cooled transmitters is designed for a wide range of TV broadcast standards. These include digital TV standards (DVB-T, DVB-T2, ISDB‑T/ISDB-TB, ATSC and DTMB) and mobile TV standards (DVB-H, MediaFLO™, ATSC Mobile DTV).

Features

  • R&S®SX800 multistandard exciter for digital or analog signal processing
  • Air-cooled broadband R&S®VM8350A1 power amplifier

Specifications

Frequency range 170 MHz to 254 MHz
Power supply 3 × 400 V AC ± 15 %, three-phase operation; 47 Hz to 63 Hz

Key Facts

  • 330 W to 2 kW output power for DVB-T, DVB‑T2, ISDB-T/ISDB-TB and DTMB, as well as for DVB-H and MediaFLO™
  • 500 W to 2 kW output power for ATSC and ATSC Mobile DTV
  • Frequency range from 170 MHz to 254 MHz

Brief Description

The R&S®NW8200 family of air-cooled transmitters is designed for a wide range of TV broadcast standards. These include digital TV standards (DVB-T, DVB-T2, ISDB‑T/ISDB-TB, ATSC and DTMB) and mobile TV standards (DVB-H, MediaFLO™, ATSC Mobile DTV). The use of VMOS transistor based amplifiers provides high output power in a compact format.

Features & Benefits

  • R&S®SX800 multistandard exciter for digital or analog signal processing
    • Exciter can be converted from analog to digital standards at any time
    • Various redundancy concepts
    • Modular design with plug-ins simplifies servicing
    • MIP decoder for automatic delay compensation in singlefrequency networks
    • Digital signal processing for maximum stability and easy precorrection
    • Easy software upgrade for DVB-H
  • Air-cooled broadband R&S®VM8350A1 power amplifier
    • Suitable for analog and digital signals without any adjustments
    • With innovative amplifier controller, identical for all sound and TV transmitters in the R&S®Nx8000 family
    • Output power control results in long transistor life
    • Self-monitioring and self-protecting amplifier modules
    • MOSFET technology based
    • Easy replacement of amplifier modules during operation (hot swapping)
  • Innovative R&S®NetCCU®800 transmitter control unit
    • Straightforward display of current transmitter status on color screen
    • Remote transmitter monitoring and control via SNMP and HTTP interface
    • Remote and local access to all parameters relevant for diagnostics
    • Detailed diagnostic capabilities through use of CAN bus
    • Takes up only two height units
  • Transmitter rack with integrated cooling
    • 19" rack (31.5 inches deep) for all power classes
    • Up to six amplifier modules in one rack
    • Houses two built-in fans in active standby
    • Various air ducting configurations
    • Efficient cooling reduces cooling system's power consumption and noise levels

Specifications

Specifications common to the R&S®NM8200 and R&S®NW8200
Frequency range 170 MHz to 254 MHz
Power supply 3 × 400 V AC ± 15 %, three-phase operation;
47 Hz to 63 Hz
Maximum installation altitude 2000 m above sea level (over 2000 m on request)
Operating temperature range +1 °C to +45 °C
Permissible relative humidity 95 %, without condensation
DimensionsW × H × D600 mm × 2000 mm × 800 mm
(23.6 in × 78.7 in × 31.5 in)
RF connector EIA 1 5/8"
Electromagnetic immunity1)to fast transients and bursts, in line with IEC 61000-4-4< 2 kV (power feed)
< 1 kV (signal inputs)
 to surges, in line with IEC 61000-4-5symmetrical < 1 kV (e.g. L1-L2)
unsymmetrical < 2 kV (e.g. L1-N)
Synchronization
Reference frequency 10 MHz, 0.1 V to 5 V (Vpp) or TTL, BNC
Reference pulse 1 Hz, TTL, BNC
Local and remote control
Local controlcolor display and keyson transmitter front side via graphical user interface (GUI)
 RJ-45via PC using standard web browser
Remote controlRJ-45IEC 864-2 via Ethernet, standard
 RJ-45network management interface (web server and/or SNMP agent), optional
 parallel remote control interfacefloating contacts for messages and commands, optional
 bit busbus interface in line with IEC 864-2, optional

1) With built-in line-side overvoltage protection; more stringent requirements are to be covered by additonal on-site measures.

R&S®NW8200 for DVB-T/DVB-H (in line with EN 300744/EN 302304)
 NW8201NW8202NW8203NW8204NW8205NW8206
Number of amplifiers123456
RF output power330 W660 W1000 W1300 W1650 W2000 W
Air flow rate8 m3/min12 m3/min15 m3/min17 m3/min17 m3/min17 m3/min
Inputs4 × ASI
Coding and modulationin line with EN 300744, optionally EN 302304
ModulationQPSK, 16QAM, 64QAM
Guard interval1/4, 1/8, 1/16 or 1/32 of useful symbol duration
IFFT mode2k or 8k; 4k (optional)
Inner code rate1/2, 2/3, 3/4, 5/6 or 7/8
Useful symbol duration224 μs (2k) or 896 μs (8k); 448 μs (4k) optional
R&S®NW8200 for DVB-T2 (in line with EN 302755 V.1.1.1)
 NW8201NW8202NW8203NW8204NW8205NW8206
Number of amplifiers123456
RF output power330 W660 W1000 W1300 W1650 W2000 W
Air flow rate8 m3/min12 m3/min15 m3/min17 m3/min17 m3/min17 m3/min
Inputs2 × ASI or T2-MI, BNC, 75 Ω and 2 × GbE, RJ-45 (optional)
Coding and modulationin line with EN 302755 V.1.1.1, for SFN in line with TS 102773 (T2-MI)
Channel parameters 
Bandwidth1.7 MHz, 5 MHz, 6 MHz, 7 MHz, 8 MHz
IFFT mode1k, 2k, 4k, 8k, 16k and 32k COFDM
Guard interval1/4, 19/128, 1/8, 19/256, 1/16, 1/32, 1/128
L1 parameters 
Modesingle PLP, multiple PLP
ModulationBPSK, QPSK, 16QAM, 64QAM
PLP configuration 
ModulationQPSK, 16QAM, 64QAM, 256QAM
Inner code rate1/2, 3/5, 2/3, 3/4, 4/5, 5/6
R&S®NW8200 for ATSC (in line with Doc. 53/1995)
 NW8201NW8202NW8203NW8204
Number of amplifiers1234
RF output power500 W1000 W1500 W2000 W
Air flow rate8 m3/min12 m3/min15 m3/min17 m3/min
Inputs2 × SMPTE and 2 × ASI
Modulation8VSB
Symbol rate10.76 MHz
Data rate19.39 Mbit/s
Trellis coding2/3
Reed-Solomon encoder207/187/10

To comply with the applicable standards and limit values for the suppression of out-of-band emissions (and in the case of digital standards, also formaintainingthe required shoulder distance), the transmitter may only be operated with suitable filters at the RF output.

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This declaration of consent may be withdrawn at any time by sending an email with the subject "Unsubscribe" to news@rohde-schwarz.com. Additionally, a link to unsubscribe from future email advertisements is contained in each email sent. Further details on the use of personal data and the withdrawal procedure are set out in the Statement of Privacy.

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