r&s®sv8000 uhf transmitter family | 概览 -九游官网下载

air-cooled low-power transmitters for digital tv

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  • 概览

key facts

  • all dvb-t / dvb-h and atsc low-power transmitter and dvb-t retransmitter applications in one product family
  • output power from 12 w to 400 w (dvb-t / dvb-h)

brief description

the family is designed as a flexible and compact system consisting of different modules that can be selected and interconnected in accordance with the required application and output power.

features

  • power amplifier
  • r&s®sx800 tv exciter
  • r&s®netccu800 transmitter control unit

specifications

frequency range 470 mhz to 862 mhz
power supply 230 v ± 15%, 47 hz to 63 hz

key facts

  • all dvb-t / dvb-h and atsc low-power transmitter and dvb-t retransmitter applications in one product family
  • output power from 12 w to 400 w (dvb-t / dvb-h)
  • output power from 18 w to 460 w (atsc)
  • output frequency range from 470 mhz to 862 mhz
  • flexible, scalable and upgradeable
  • highly compact
  • various standby systems available
  • power amplifiers based on ldmos technology
  • transmitter remote control and monitoring via snmp and/or http interface
  • optional: support of the chinese digital tv standard dtmb

brief description

rohde & schwarz offers a complete family of uhf low-power dvb-t / dvb-h and atsc transmitting equipment to cover the following applications:

  • dvb-t / dvb-h transmitter with standard asi signal as input
  • atsc transmitter with smpte 310m interface
  • dvb-t retransmitter for rebroadcasting an off-air signal

the family is designed as a flexible and compact system consisting of different modules that can be selected and interconnected in accordance with the required application and output power. the main building blocks are the following:

  • r&s®sx800 dvb-t / dvb-h or atsc exciter
  • amplifiers r&s®vh6xxx with integrated power supply (12 w/18 w to 100 w/130 w dvb/atsc output power)
  • r&s®netccu®800 as an expanded system controller for standby configurations and/or as a network-oriented remote control unit for snmp and web

since the exciter stage is equipped with an amplifier control unit, single transmitters up to 100 w dvb-t / dvb-h (130 w atsc) are available as standalone systems. this means that only two modules, exciter and amplifier, are required in this case. all operation-relevant interfaces are fully integrated into the units. additional components to be built into a rack are required only for standby systems or if several amplifiers are combined to boost output power. nineteen-inch racks of 12, 21 and 42 height units are available.

features & benefits

  • power amplifier

    the r&s® sv8000 uhf transmitter family uhf transmitter family is built on single power amplifier modules of 12/25/50/100 w for dvb-t / dvb-h or 18/35/70/130 w for atsc. all amplifiers are broadband in the 470 mhz to 862 mhz range. both the power supply and the cooling system are integrated into the amplifiers, thus requiring no peripherals. this enables flexible installation in a standard 19-inch rack or even operation without any rack at all.

  • r&s®sx800 tv exciter
    • integrated digital linear and nonlinear precorrection
    • digital signal processing for analog and digital tv
    • digital tv
      • dvb-t / dvb-h, mediaflo™, isdb-t, isdb-tb, dtmb, atsc, atsc mobile dtv
      • all asi modes
      • smpte 310 m
      • suitable for single-frequency networks (sfn) and multifrequency networks (mfn)
      • hierarchical modulation (dvb-t / dvb-h)
      • seamless input switching
      • mip monitoring
      • automatic/adaptive precorrection (optional)
  • r&s®netccu800 transmitter control unit

    the innovative r&s®netccu800 handles both internal and external communications and provides all control functions. featuring only two height units, it operates as a transmitter control unit plus an ip interface. the r&s®netccu800 clearly shows the current status of the transmitter system on a color display. all transmitter and/or amplifier parameters required for diagnostics can be retrieved locally as well as remotely from anywhere in the world via a standard (ip) protocol and standard software (web/snmp browser). this enables the status of unattended transmitter sites to be accurately evaluated, and any servicing that may be needed to be optimally prepared. this data can also be retrieved via the local ip interface of the r&s®netccu800.

specifications

specifications common to the r&s®sv8000 family
frequency range 470 mhz to 862 mhz
power supply 230 v ± 15%, 47 hz to 63 hz
max. installation altitude 2000 m above sea level (>2000 m on request)
operating temperature range 1 °c to 45 °c
permissible relative humidity 95%, without condensation
rf connector 7/16
synchronization
reference frequency 10 mhz, 0.1 v to 5 v (vpp) or ttl, bnc
reference pulse 1 pps (1 hz, ttl, bnc)
local control
color display and keys front-panel operation, optional with the r&s®netccu800
rj-45 iec/ieee 864-2 via ethernet, standard
remote control
rj-45 front-panel operation, optional with the r&s®netccu800
rj-45 network management interface (web server and/or snmp agent), optional
bit bus bus interface, in line with iec/ieee 864-2, optional
specifications of the r&s®sv8000 for dvb-t / dvb-h
r&s® sv8101 rsv8201 sv8301 sv8302 sv8401 sv8402 sv8403 sv8404
number of amplifiers 1 1 1 2 1 2 3 4
rf output power (rms) 12 w 25 w 50 w 100 w 100 w 200 w 300 w 400 w
number of height units
required in 19-inch rack		 3u 4u 4u 7u 4u 7u 10u 13u
inputs (dvb-t / dvb-h) 4× asi (all asi modes)
coding and modulation in line with en 300744, en 302304 (optional)
modulation qpsk, 16qam or 64qam
guard interval 1/4, 1/8, 1/16 or 1/32 of useful symbol duration
ifft mode 2 k and 8 k, 4 k (optional)
inner code rate 1/2, 2/3, 3/4, 5/6 or 7/8
useful symbol duration 224 µs (2 k) or 896 µs (8 k), 448 µs (4 k, optional)
specifications of the r&s®sv8000 for atsc
r&s® sv8101 sv8201 sv8301 sv8302 sv8401 sv8402 sv8403 sv8404
number of amplifiers 1 1 1 2 1 2 3 4
rf output power (rms) 18 w 35 w 70 w 130 w 130 w 250 w 350 w 460 w
number of height units required in 19-inch rack 3u 4u 4u 7u 4u 7u 10u 13u
inputs (atsc) 2 × smpte 310m 2 × asi
coding and modulation in line with en 300744, en 302304 (optional)
modulation 8vsb
symbol rate 10.76 mhz
data rate 19.39 mbit/s
trellis coding 2/3
reed-solomon encoding 207/187/10
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