R&S®NA8500 DAB(+) and T-DMB Transmitter Family

Maximum signal quality and reliability

Выпуск этого изделия прекращен
Обратите внимание на следующие замещающие изделия:

Key Facts

  • Excellent signal quality: high MER of typ. 33 dB
  • Synergy with the transmitter families of the R&S®xx8000 generation
  • Compact transmitters: 1 kW to 4.1 kW transmit power (RMS) in a standard 19" rack

Brief Description

The transmitters of the R&S®NA8500 family transmit very high-quality digital audio broadcasting (DAB) signals in VHF band III.

Features

  • Maximum signal quality
  • Always on air
  • Operating concept and modular design of the R&S®xx8000 transmitter generation

Specifications

DAB parameters
Frequency range VHF band III, 170 MHz to 254 MHz
Supported standards DAB, DAB+, T-DMB

Key Facts

  • Excellent signal quality: high MER of typ. 33 dB
  • Synergy with the transmitter families of the R&S®xx8000 generation
  • Compact transmitters: 1 kW to 4.1 kW transmit power (RMS) in a standard 19" rack

Brief Description

The transmitters of the R&S®NA8500 family transmit very high-quality digital audio broadcasting (DAB) signals in VHF band III. The high availability ensures reliable broadcasting operation.

The high availability ensures reliable broadcasting operation.

Features & Benefits

  • Maximum signal quality
    • R&S®SX801 exciter for digital signal processing
    • Top value in signal quality (MER) for high reception security
    • Excellent RF output spectrum
  • Always on air
    • Reliable and effective liquid cooling
    • Standby systems for any requirement
    • Operational safety due to self-monitoring power amplifiers with overvoltage protection
    • Seamless switchover of the ETI inputs
    • Highly sensitive GPS receiver with fast synchronization
  • Operating concept and modular design of the R&S®xx8000 transmitter generation
    • Operation either hands-on or via web browser
    • Cost reduction due to cross-platform modular concept of the R&S®xx8000 transmitter generation

Specifications

Base unit
Supply voltage 3 × 400 V AC ± 15 %, 47 Hz to 63 Hz three-phase current
Max. installation altitude 2000 m above sea level
(> 2000 m on request)
Operating temperature range +1 °C to +45 °C
Relative humidity (max.) 95 %, non-condensing
Immunity 1)
to fast transients and bursts in line with IEC 61000-4-4 < 4 kV (AC supply),
< 1 kV (signal inputs)
to surges in line with IEC 61000-4-5 balanced < 2 kV (e.g. L1-L2),
unbalanced < 4 kV (e.g. L1-N)
DAB parameters
in line with EN 300401, EN 302077-2, EN 300799
Frequency range VHF band III, 170 MHz to 254 MHz
Supported standards DAB, DAB+, T-DMB
DAB modes I, II, III, IV
MER ≥ 30 dB (typ. 33 dB)
Delay compensation (static and dynamic) time stamp level 5 max. 1 s, step size 61 ns
Signal input 2 × ETI (NI, G.703/NA, G.704), automatic detection; seamless switchover, 75 Ω BNC female or >10 kΩ BNC female (high-impedance), switchable
GPS antenna input optional N female
External reference clock 1 Hz (1 pps) TTL, BNC; 10 MHz, 0.1 V to 5 V, BNC
Operation
Display, keypad and status LEDs local operation and display
Ethernet interface, RJ-45 convenient operation, local or remote, via standard web browser
optional network management interface via SNMP
Parallel remote-control interface optional floating contacts for messages and commands

1) With built-in line-side overvoltage protection; more stringent requirements must be covered by additional measures installed on-site.

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

Благодарим вас.

Ваш запрос был успешно отправлен!

Мы свяжемся с Вами в ближайшее время.

Коллектив Rohde & Schwarz

Узнать цену

Введите текст запроса.
Введите свое имя.
Введите свое имя.
Введите действующий адрес электронной почты.
Введите название компании.
Введите город.
Введите почтовый индекс.
Введите номер телефона.

Укажите свою страну.
Введите символы, показанные на изображении
show captcha
Введена недействительная информация.
Do not enter data in this field
Благодарим вас.

Ваш запрос был успешно отправлен!

Мы свяжемся с Вами в ближайшее время.

Коллектив Rohde & Schwarz

Запросить информацию

Введите текст запроса.
Введите свое имя.
Введите свое имя.
Введите действующий адрес электронной почты.
Введите название компании.
Введите город.
Введите почтовый индекс.

Укажите свою страну.
Введите символы, показанные на изображении
show captcha
Введена недействительная информация.
Do not enter data in this field
International Website