R&S®NV8300 UHF Transmitter Family

Air-cooled medium-power transmitters for digital TV

Specifications

Specifications common to the R&S®NH/NV8300
 
Frequency range 470 MHz to 862 MHz
Power supply 3 x 400 V AC ± 15%, three-phase operation; 47 Hz to 63 Hz
230 V AC ± 15%, 50/60 Hz, L1 – N; single-phase operation; 47 Hz to 63 Hz
240 V AC+10%/-15%, 50/60 Hz, L1 – L2; single-phase operation; 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
Permissable relative humidity 95%, without condensation
Dimensions (W x H x D) 600 mm x 2000 mm x 800 mm (23.6 in x 78.7 in x 31.5 in)
RF connector 1 5/8 EIA
Immunity 1)  
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 balanced < 2 kV (e.g. L1-L2),
unbalanced < 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
Local and remote control  
Local control  
   Color display and keys front-panel operation via graphical user interface (GUI)
   RJ-45 PC operation via standard web browser
Remote control  
   RJ-45 network management interface (web server and/or SNMP agent), optional
   Parallel interface floating contacts for messages and commands, optional
   Bit bus bus interface, in line with IEC 864-2, optional

1) With integrated AC supply overvoltage protection; more stringent requirements must be covered by additional on-site measures.

Specifications of R&S®NV8300 for DVB-T, DVB-H, ISDB-T, ISDB-TB

R&S®
 NV8301 NV8302 NV8303 NV8304 NV8305 NV8306
 
Number of amplifiers 1 2 3 4 5 6
RF output power 1) 300 W 600 W 900 W 1200 W 1500 W 1800 W
Rate of air flow
8.5 m 3 /min
11 m 3 /min
15 m 3 /min
17 m 3 /min
17 m 3 /min
17 m 3 /min
Inputs
(DVB-T / DVB-H)
4 x ASI
Coding and modulation
for DVB-T, DVB-H: in line with EN 300744, EN 302304 (optional)
for ISDB-T, ISDB-TB: in line with ARIB STD-B31 Version 1.6
Modulation
QPSK, 16QAM or 64QAM
Guard interval
1/4, 1/8, 1/16 or 1/32 of useful symbol duration
IFFT mode
2k and 8k, 4k (optional for DVB-H))
Inner code rate
1/2, 2/3, 3/4, 5/6 or 7/8

Specifications of the R&S®NV8300 for DVB-T2

R&S®
 NV8301 NV8302 NV8303 NV8304 NV8305 NV8306
 
Number of amplifiers 1 2 3 4 5 6
RF output power 1) 300 W 600 W 900 W 1200 W 1500 W 1800 W
Rate of air flow
8.5 m 3 /min
11 m 3 /min
15 m 3 /min
17 m 3 /min
17 m 3 /min
17 m 3 /min
Inputs (DVB-T2)
2 × ASI or T2-MI, BNC, 75 Ω and 2 × Gigabit Ethernet, RJ-45 (optional)
Coding and modulation
in line with EN 302755 V.1.1.1, SFN in line with TS102773 (T2-MI)
Channel parameters  
Channel bandwidth
1.7 MHz, 5 MHz, 6 MHz, 7 MHz, 8 MHz
FFT mode
1k, 2k, 4k, 8k, 16k, and 32k COFDM
Guard interval
1/32, 1/16, 1/8, 1/4, 1/128, 19/128, 19/256
L1 parameters  
Mode
single PLP, multiple PLP
Modulation
BPSK, QPSK, 16QAM or 64QAM
PLP configuration  
Modulation
QPSK, 16QAM, 64QAM or 256QAM
Inner code rate
1/2, 3/5, 2/3, 3/4, 4/5, 5/6

Specifications of the R&S®NV8300 for ATSC

  R&S®NV8301 R&S®NV8302 R&S®NV8303 R&S®NV8304
 
Number of amplifiers 1 2 3 4
RF output power 2) 450 W 900 W 1350 W 1800 W
Rate of air flow 8.5m 3 /min 11m 3 /min 15m 3 /min 17m 3 /min
Inputs (ATSC)
2 x SMPTE + 2 x ASI
Coding and modulation
in line with Doc.53/1995
Modulation
8VSB
Symbol rate
10.76 MHz
Data rate
19.39 Mbit/s
Trellis coding
2/3
Reed-Solomon encoding
207/187/10

1) Average power specification: at <510 MHz approx. 10% lower power, at >662 MHz approx. 5% higher power.
2) Average power specification: at <510 MHz approx. 5% lower power, at >662 MHz approx. 6 % higher power.