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OnePower Multiple Amplifiers System

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Description

Onepower is ONEtastic’s High Power transmitter range, available in different versions with different output powers from 1500 to 20000 W rms (from 5000 to 24000 W p.s. when operating in analogue standards).
Equipment of the Onepower series are composed of some main subparts:

  • An exciter (dual driver as an option), with native adaptive pre-correction circuits, bringing multiple input interfaces (ASI, AET, EDI, IP, Satellite) and on-board GPS / GLONASS receiver for accurate synchronization in SFN environments;
  • Several amplifier stages (from 2 to 8 depending on the model and the output power level);
  • A control and monitoring unit, with embedded change over system (Onelogic);
  • An innovative and highly efficient Liquid cooling system (Onepower L series).

Onepower transmitters support several digital modulation standards (DVB-T/H/T2, ISDB-T/Tb, DAB/DAB+/T-DMB, ATSC), as well as dual-cast analog operation (supporting PAL and NTSC).

Main features:

  • Compact dimensions (single 19” Rack, including output filter)
  • Output Power up to 12000W rms (COFDM), up to 20000W rms (ATSC) or up to 24000W p.s. (analogue)
  • High efficiency broadband or wideband amplifier technology both in UHF and VHF bands
  • Single or Dual driver
  • Enhanced redundancy in Power Supply Units
  • DVB-T/H/T2, ISDB-T/Tb, DAB/DAB+/T-DMB, ATSC, PAL, NTSC, NICAM modulations fully supported
  • Embedded Re-Multiplexer/Layer Combiner/TS to BTS (188 to 204 byte) converter for ISDB-Tb
  • Adaptive pre-correction circuits
  • On-board high stability GPS / GLONASS receiver with battery
  • Flexible input interfaces (ASI/BTS/SMPTE-310M, ETI, EDI, IP, Satellite, analog audio and video)
  • ONELOGIC control and monitoring unit with embedded change over and switching system

Specifications:

System:
UHF digital output power: from 1500 W to 12000 W rms @ MER 38 dB typ. (DVB, ISDB)
from 2400 W to 17000 W rms (ATSC)
UHF analogue output power: from 5000 W to 24000 W p.s.
VHF digital output power: from 1600 W to 12000 W rms @ MER 37 dB typ. (DVB, ISDB)
from 1800 W to 14000 W rms @ MER 34 dB typ. (DAB/DAB+/T-DMB)
from 2500 W to 20000 W (ATSC)
VHF analogue output power: from 4600 W to 10000 W p.s.
Configurations: Single or dual driver
RF output connector: 7/8” (f) or 1-5/8” (f) or 3-1/8” (f) or 4-1/8” (f), EIA, 50 Ohm
(according to output power and frequency band)
Frequency agility: UHF Band IV and V or VHF Band III
Frequency resolution: 1 Hz
Precorrection: Adaptive
Exciter: Onedriver or Onecompact Series (according to the model)
Integrated matrix circuits: ASI/BTS/Video (dual), audio and RF
BTS/ASI/Video matrix connectors: BNC (f), 75 Ohm
Audio matrix connectors: Tini-QG “Mini XLR”, 6 Pin (m), 600 Ohm
Modulator
DVB-T/-H/-T2
Standard: EN300744, EN302304, EN302755 V1.3.1 (DVB-T2-Lite), TS101191, TS102773 (T2-MI), TS102034
 Inputs: 4x ASI BNC (f), 75 Ohm or 2x ASI BNC (f), 75 Ohm and 2x RJ45 TS oIP 10/100/1000
Seamless switch between any input
Hierarchical and not hierarchical (DVB-T)
FFT: 1K (DVB-T2), 2K, 4K, 8K, 8K ext. (DVB-T2), 16K & 16K ext. (DVB-T2), 32K & 32K ext. (DVB-T2)
Code rate: All modalities available according to the standard
Block Short or Normal (DVB-T2)
DVB-T: Reed-Solomon (204, 188)
DVB-T2: BCH, LDPC
Guard interval: 1/32, 1/16, 1/8, 1/4, 19/256 (DVB-T2), 19/128 (DVB-T2), 1/128 (DVB-T2)
Constellation: QPSK, 16QAM, 64QAM, 256QAM (DVB-T2). Rotated and non rotated (DVB-T2)
MISO Processing: Supported
ISDB-Tb
Standard: ABNT NBR 15601, ABNT NBR 15603
Inputs: 4x ASI TS/BTS BNC (f), 75 Ohm or
2x ASI TS/BTS BNC (f), 75 Ohm and 2x RJ45 TS/BTS oIP 10/100/1000
Seamless switch between any input
FFT: Mode 1 (2K), Mode 2 (4K), Mode 3 (8K)
Code rate: 1/2, 2/3, 3/4, 5/6, 7/8
Guard interval: 1/4, 1/8, 1/16, 1/32
Hierarchical modulation: Up to 3 layers
Constellation: QPSK, 16QAM, 64QAM
Time interleaver: Fully supported
Partial reception: Supported
DAB/DAB+/T-DMB
Standard: EN 300401, ETS 300 799
Inputs: 4x ETI (NI[G703], NA5376[G704] or NA5592[G704]) BNC (f), 75 Ohm or
2x ETI BNC (f), 75 Ohm + 2x EDI (ETSI TS 102 693) RJ45 10/100/1000
Seamless switch between any input
Transmission modes: Mode I, II, III, IV (Automatically detected from the ETI stream, or user selectable)
Operation: MFN or SFN operations
ATSC
Standard: A/53, A/110
Inputs: 4x ASI / SMPTE-310M BNC (f), 75 Ohm or
2x ASI / SMPTE-310M BNC (f), 75 Ohm and 2x RJ45 TS oIP 10/100/1000
Seamless switch between any input
Modulation: 8-VSB
Input bit rate: 19.39 Mbit/s
Bandwidth: 6 MHz
Max processing delay: Up to 1 second (programmable)
Analogue
Standard: B, G, D, K, M, N, I
Inputs: Video BNC (f), 75 Ohm, audio Tini-QG “Mini XLR”, 6 Pin (m), 600 Ohm
Colour system: PAL, NTSC
Integrated NICAM encoder: Available
Satellite Receiver
Standard: ETSI EN 300 421 (QPSK) (DVB-S)
ETSI EN 302 307 (QPSK, 8PSK, 16APSK) (DVB-S2)
ETSI EN 50083-9 (ASI)
ETSI EN 50221 (Common Interface)
DVB-S2: VCM, CCM, Multi Stream and Single Stream, Normal & Short FEC frames
Symbol rate: 1 – 45 Msym/s (DVB-S)
2 – 45 Msym/s (DVB-S2)
Constellation: QPSK, 8PSK, 16APSK
FEC: Automatic, all modalities available according to the standard
Block Short or Normal
DVB-S: Reed-Solomon (204,188)
DVB-S2: BCH, LDPC
Roll-Off: 0.2, 0.25, 0.35
Input connector: F (f), 75 Ohm
Frequency: L–band 930÷2250 MHz
LNB control voltage: Off, +13/18 Vdc, 22 kHz, 0.25 A (overload protection)
RF input level: 40 ÷ 100 db/µV (with attenuator)
Output connector: BNC (f), 75 Ohm
Modality: 188 bytes
Max input bit rate: 80 Mbps (CAM limit: 72 Mbps)
CAM interface: PCMCIA DVB-CI Common Interface
CA mode (Conditional Access): Multicrypt, Simulcrypt
CAS support: Mediaguard, Viaccess, Irdeto, Conax, BISS with Professional multiprogram CAM (descrambling of up to 24 Elementary Streams) Betacrypt, Cryptoworks, Nagravision with standard consumer CAM (descrambling of up to 4 services)
GPS / GLONASS
Input connector: N (f), 50 Ohm
Input/Monitor output 10 MHz: BNC (f), 75 Ohm
Input/Monitor output 1 PPS: BNC (f), 75 Ohm
Phase noise: -140 dBc/Hz @ 10 kHz
-150 dBc/Hz @ 100 kHz
Stability: 1e-12 / 24 H with disciplined OCXO
Hold-over stability: 5 μs after 5 hours (optional 1 μs after 24 hours)
Mechanical
Width: 600 mm
Height: 1530 mm (Onepower 1500H, 3000C)
1800 mm (Onepower 2200H, 4500C, 3000L, 4500L, 6000L)
2000 mm (Onepower 3000H, 6000C)
2070 mm (Onepower 9000L and 12000L)
Depth: 800 mm (H versions)
1000 mm (C and L versions in UHF)
1200 mm (L versions in VHF)
Environmental
Operating temperature range: -5°C ÷ 45°C
Max. relative humidity: 90%, non-condensing
Max. operating altitude: 2500 m. a.s.l. (>2500 m. optional)