R&S®THU9 UHF Transmitter Family for TV

Efficiency redefined

Key Facts

  • Superior efficiency on the market thanks to innovative transmitter design and the use of Doherty technology
  • Scalable and flexible system configuration
Down to Key Facts

Brief Description

The R&S®THU9 UHF high-power transmitter family makes terrestrial broadcasting of TV signals extremely efficient.

Specifications

Digital TV standards DVB-T, DVB-T2, DVB-H, ISDB-T, ISDB-TB, ATSC, ATSC Mobile DTV, DTMB
DVB-T, DVB-H channel bandwidth 5/6/7/8 MHz
Down to Specifications

Key Facts

  • Superior efficiency on the market thanks to innovative transmitter design and the use of Doherty technology
  • Scalable and flexible system configuration
  • Unique MultiTX system with multiple transmitters in a single rack
  • Highest power density per transmitter rack
  • User-friendly operating terminal and GUI
  • Optimized total cost of ownership (TCO)

Brief Description

The R&S®THU9 UHF high-power transmitter family makes terrestrial broadcasting of TV signals extremely efficient. It features high energy efficiency of up to 38 % (COFDM) and 42 % (ATSC), outstanding configuration flexibility and exceptional operating convenience in a very small footprint. For network operators, this means cost reductions over the entire system lifetime.

The liquid-cooled transmitters deliver output power of up to 50 kW for digital standards in Doherty operation, and up to 58 kW for analog standards. Rohde & Schwarz also offers the highest power density on the market with as much as 15 kW per rack for COFDM standards.

In Doherty operation, the R&S®THU9 transmitter family attains efficiency values of up to 38 % (COFDM) and 42 % (ATSC), including the cooling system – for maximum energy and CO2 savings. In Doherty operation, users can save up to 50 % of energy costs compared with conventional transmitters.

The transmitters offer unparalleled flexibility and scalability in an extremely compact design. The family portfolio ranges from single transmitters with built-in pump unit and bandpass filter to multitransmitter systems and even N+1 configurations in a single rack. The new operating concept is based on an ergonomic operating unit, straightforward, easy-to-use menus and a convenient configuration guide.

Specifications

Digital TV
Standards DVB-T, DVB-T2, DVB-H, ISDB-T, ISDB-TB, ATSC, ATSC Mobile DTV, DTMB
Channel bandwidth DVB-T, DVB-H 5/6/7/8 MHz
DVB-T2 1.7/5/6/7/8 MHz
ISDB-T, ISDB-TB 6 MHz
ATSC 6 MHz
DTMB 8 MHz
Inputs DVB-T, DVB-H 2 × ASI (HP/LP), 75 Ω BNC,
2 × RJ-45
DVB-T2 2 × ASI (HP/LP), 75 Ω BNC,
2 × RJ-45
ISDB-T, ISDB-TB 2 × BTS, 75 Ω BNC,
2 × RJ-45
ATSC 2 × SMPTE310M or 2 × ASI, 75 Ω BNC, 2 × RJ-45
DTMB 2 × ASI (HP/LP), 75 Ω BNC,
2 × RJ-45
Digital audio broadcasting/Mobile TV in the VHF range
Standards DAB, DAB+, T-DMB
Channel bandwidth 1.5 MHz
Inputs 2 × ETI, 75 Ω BNC/high impedance, 2 × RJ-45
Analog TV
Standards B/G, D/K, M 1), N 1), I, I1
Color transmission PAL, NTSC, SECAM
Sound transmission IRT dual-sound coding, FM single sound and NICAM728
(−13 dB/−20 dB), FM single sound
(−10 dB)
Inputs 1 × video (75 Ω BNC), 2 × audio (XLR)
General data
Frequency range UHF band IV/V 470 MHz to 862 MHz
VHF band III 170 MHz to 255 MHz
Supply voltage 3 × 400 V ± 15 %
(3 wires + N + PE),
47 Hz to 63 Hz
Max. installation height 2000 m above sea level
(> 2000 m on request)
Operating temperature range +1 °C to +45 °C
Relative humidity (max.) 95 %, non-condensing
Immunity2) to fast transients and burst in line with IEC 61000-4-4 < 4 kV (AC supply),
< 1 kV (signal inputs)
to surges in line with IEC 61000-4-5 symmetrical < 2 kV (e.g. L1-L2),
unsymmetrical < 4 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
Operation
Display unit with touchscreen and LEDs local operation and display
Ethernet interface, RJ-45 local, remote, standard web browser
optional network management interface via SNMP
Parallel remote interface optional floating contacts for messages and commands

1) Only single sound.

2) With built-in AC supply overvoltage protection; more stringent requirements must be satisfied by implementing appropriate measures in the station.

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 for maintaining the required shoulder distance), the transmitter may only be operated with suitable filters at the RF output.

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