R&S®THV9 VHF Transmitter Family for TV and Digital audio broadcasting

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

Brief description

The R&S^®THV9 VHF high-power transmitter family makes terrestrial broadcasting of TV and digital audio broadcast signals extremely efficient.

Specifications

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

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)

The R&S^®THV9 contains open source software packages. Copies of the respective licenses are included in the Open Source Acknowledgement, see Downloads/Software area of this web page.

Brief description

The R&S^®THV9 VHF high-power transmitter family makes terrestrial broadcasting of TV and digital audio broadcast signals extremely efficient. It features high energy efficiency of up to 50 %, 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 for digital TV and digital audio broadcasting of up to 30 kW 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 mode, the R&S^®THV9 transmitter family attains efficiency values of up to 50 % 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 portfolios range 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-T_B, 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-T_B	6 MHz
	ATSC	6 MHz
	DTMB	6/8 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-T_B	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 × EDI, 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 254 MHz
Supply voltage		400 V/230 V; 4 wires + PE (L1/L2/L3/N/PE) ± 15 %, 208 V; 3 wires + PE (L1/L2/L3/PE) ± 15 %, 220 V; 3 wires + PE (L1/L2/L3/PE) ± 15 %, 240 V; 3 wires + PE (L1/L2/L3/PE) –15 %/+10 %
Max. installation height		2000 m above sea level (> 2000 m on request)
Operating temperature range		+1 °C to +45 °C
Relative humidity (max.)		95 %, noncondensing
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), asymmetrical < 4 kV (e.g. L1-N)
Synchronization
Reference frequency		10 MHz, 0.1 V to 5 V (V_pp) 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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