R&S®NH8300 UHF Transmitter Family
Air-cooled medium-power transmitters for analog TV
Specifications
| Specifications common to the |
|
|---|---|
| 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 |
< 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®NH8300 for analog TV
| Number of amplifiers | 1 | 2 | 3 | 4 |
| RF output power (dual sound) |
750 W | 1500 W | 2250 W | 2800 W |
| Rate of air flow | 8.5 m3 /min | 11 m3 /min | 15 m3 /min | 17 m3 /min |
| Reference frequency |
10 MHz, 0.1 V to 5 V (Vpp) or TTL, BNC
|
|||
| TV standards |
B, G, K, M, N, I
|
|||
| Color transmission |
PAL, NTSC, SECAM
|
|||
| Inputs (video) |
2 x video
|
|||
| Inputs (audio) |
without NICAM: 2 x AF
with NICAM: 2 x AF + 1 x AF for third language standard M/N: 1 x AF + 1 x BTSC (BNC) |
|||
| Sound transmission |
dual-sound coding in line to IRT,FM single-sound and NICAM 728 (-13 dB/-20 dB) (optional);
FM single-sound (-10 dB), BTSC input |
|||
