R&S®XLx8000 UHF/VHF Transposers

Efficient solutions for analog and digital broadcasting standards

Key Facts

  • UHF/VHF transposers/retransmitters for analog and digital TV as well as digital sound broadcasting
  • High Rohde & Schwarz quality with excellent price/ performance ratio

Brief Description

R&S®XLx8000 UHF/VHF transposers offer compact, flexible solutions to reliably fill coverage gaps in transmitter networks.

Features

  • Flexible concept and wide range of applications
  • Always on air
  • Special features for operation
  • Custom tailoring

Specifications

Models Frequency range
Transmitters with 2 HU 470 MHz to 862 MHz
Transmitters with 3 HU 470 MHz to 862 MHz / 174 MHz to 240 MHz
Transmitters with 4 HU 174 MHz to 240 MHz

Key Facts

  • UHF/VHF transposers/retransmitters for analog and digital TV as well as digital sound broadcasting
  • High Rohde & Schwarz quality with excellent price/ performance ratio
  • Efficient echo cancellation for use in single-frequency networks (SFN)
  • Outstanding adjacent-channel selectivity
  • Broadband precorrection for digital standards with the set & go function
  • Compact two to four HU device
  • Flexible integration of options

Brief Description

R&S®XLx8000 UHF/VHF transposers offer compact, flexible solutions to reliably fill coverage gaps in transmitter networks.

The R&S®XLx8000 family includes UHF and VHF transposers for digital and analog TV as well as for digital sound broadcasting. The compact devices can be used as transposers or retransmitters. Due to the short processing time, R&S®XLx8000 transposers can also be integrated into digital single-frequency networks (SFNs). Feedback is eliminated by high-quality, two-level echo cancellation. Intelligent operating functions reduce the transposers' setting times. For example, the automatic set&go function does away with a time-consuming manual precorrection of the output stages for all digital standards. The compact but flexible all-in-one-box concept allows various options to be integrated, which simplifies logistics and handling when sites are difficult to access.

Features & Benefits

  • Flexible concept and wide range of applications
    • Compact solution
    • Convenient operation, on-site or remote diagnostics
    • Transposer in multifrequency networks
    • Retransmitter in multifrequency networks for DVB-T/DVB-H
    • Gap filler in single-frequency networks
  • Always on air
    • Convenient supply with different rated voltages
    • Self-monitoring power output stages
    • Standby systems for high availability
    • Maximum synchronization in single-frequency networks
  • Special features for operation
    • Precorrection for digital standards with set&go function
    • High adjacent-channel selectivity
    • DVB-T/DVB-H receiver for signal monitoring
  • Custom tailoring
    • Desktop unit or rack installation
    • Integratable options
    • Other accessories

Specifications

General data
  Transmitters with 2 HU Transmitters with 3 HU Transmitters with 4 HU
Frequency range UHF (band IV/V) 470 MHz to 862 MHz 470 MHz to 862 MHz -
Frequency range VHF (band III) - 174 MHz to 240 MHz 174 MHz to 240 MHz
Available standards
Analog TV B/G, D/K, I, L, M, N -
Digital TV DVB-T, DVB-T2, DVB-H, ISDB-T, ISDB-TB, DTMB, CMMB, ATSC, ATSC Mobile DTV -
Digital audio broadcasting - DAB, DAB+, T-DMB DAB, DAB+, T-DMB
Supported network types MFN, SFN (only for digital TV and digital audio broadcasting)
Supply voltage 100 V to 240 V, ±10 % 230 V AC, -10 % to +15 %
Supported AC frequencies 50 Hz, 60 Hz
Option -48 V DC -
Synchronization
Reference frequency 10 MHz, 0.1 V to 5 V (Vpp) or TTL, BNC
Reference pulse 1 pps (1 Hz, TTL, BNC)
Operation
Local control display, keypad and status LEDs, web interface (via Ethernet port)
Remote-control interfaces web interface (via Ethernet port) and SNMP (option), flaoting contacts (option)
Input interfaces
Sensitivity, digital TV -70 dBm to 0 dBm
Sensitivity, analog TV -53 dBm to 0 dBm
Sensitivity, DAB(+), T-DMB -80 dBm to -10 dBm
Internal processing time (depending on filter)
for DTV 6 μs to 13 μs
for DAB/T-DMB 20 μs to 28 μs
Echo cancellation
Permitted echo at input
   Without echo cancellation <–10 dB relative to input signal
   With echo cancellation ≤+5 dB relative to input signal
   With enhanced echo cancellation ≤+15 dB relative to input signal
Echo cancellation between
input and output
35 dB
SAW filter (option)
Filter bandwidths 1.5 MHz, 5 MHz, 6 MHz, 7 MHz, 8 MHz
Environmental conditions
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
Immunity

class 2 (B) immunity to fast transients and burst in line with IEC61000-4-4: < 2 kV (power supply) and < 1 kV (signal inputs);
class 3 (C) immunity to surges in line with IEC61000-4-5:

  • symmetrical < 1 kV (e.g. L1-L2)
  • unsymmetrical < 2 kV (e.g. L1-N)

 

If the transmitter is operated in another class (> 2 or 3), protective measures must be taken. Rohde & Schwarz offers options for overvoltage and lightning protection.

Dimensions
(W x H x D)
483 mm (19’’) x 88 mm x 467 mm (19.02 in x 3.46 in x 18.39 in) 483 mm (19’’) x 132 mm x 474 mm (19.02 in x 5.2 in x 18.66 in) 483 mm (19’’) x 176 mm x 590 mm (19.02 in x 6.93 in x 23.23 in)

Remark: 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 transposer may only be operated with suitable filters at the RF output.

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