300W – 600W DAB Radio Transmitters
Description
300W – 600W DAB Radio Transmitters
AIR COOLED DIGITAL COMPACT TX
300Wrms 600Wrms
Eletec DAB Radio Transmitters are the state of art for digital signal processing and RF performances. These high-quality parameters are due to:
Digital Adaptive Precorrection (Linear and not linear)
The modulation parameters are optimized for every working condition
9thHV-Generation Doherty LDMOS devices
Only this category of devices merges the high efficiency with an impressive ruggedness
Compact size
High efficiency heat-sinks, very compact power supplies and controlled blowers ensure the highest power density on the market
| AIR COOLED DIGITAL COMPACT TX
300Wrms 600Wrms |
|
MAIN CHARACTERISTICS |
| · Supported standards: DAB, DAB+, T-DMB
· MER ≥ 35 DB · Easy maintenance · Complete remote control: Web – SNMP · High efficiency based on brand-new Doherty devices and extreme ruggedness · Fully self-protected against Over-Voltage, Over-Current, Temperature, abnormal VSWR · Seamless switching between any combination of inputs (eti and/or edi) always supported · Satellite Receiver Option always supported |
| Modulation Standards | DAB, DAB+,T DMB |
| Supported modes
|
DAB Modes
I,II,III and IV |
| Network mode | MFN and SFN |
| Test Modes | Single Carrier, PBRS |
| INPUT INTERFACES | |
| ETI Inputs | 2 BNC female 75Ω |
| Redundancy | User selectable between “Primary” and “Secondary” ASI source |
| Ethernet ports | 3 (2 optimized for EDI Inputs) |
| GNSS Input
Frequencies
|
1 BNC female
1.575 GHz (GPS) / 1.602-1.603 GHz (GLONASS) |
| External clock reference
Frequency
Level
Impedance |
BNC female
10 MHz
100 mV-3Vpp
50 Ohm/ > 1 kOhm, user selectable |
| RF PERFORMANCES
DAB, DAB+, T-DMB |
|
| RF Power Out | Up to 600Wrms |
| RF Output Connector | DIN 7/16 female |
| RF Impedance | 50 Ω |
| Centre Frequency | Adjustable in the range 170-240 MHz in steps of 1 Hz |
| Frequency Stability | 2 ppm – 0.01 ppm with the int. ref. or in accordance with the ext. ref. accuracy |
| Spectrum Polarity | Inverted and non-inverted
user selectable |
| Power Stability | ± 0.2 dB |
| MER | ≥ 35 dB |
| SShoulders | ≤ -37 dBc |
| AC PERFORMANCES
DAB, DAB+, T-DMB |
|
| AC Input | 180 ~ 264 Vac |
| Power Consumption | 1400VA max @ 300Wrms |
| Power Factor | ≥ 0.95 |
| AC Frequency | 47 ~ 63 Hz |
|
MECHANICAL SPECIFICATIONS |
|
| Dimensions (WxLxH) | 483x608x88.6 mm |
| Weight (Kg) | 15 |
| ENVIRONMENTAL
SPECIFICATIONS |
|
| Altitude | Up to 3000 a.s.l. |
| Ambient Temperature | -10 ~ +45°C |
| Humidity | ≤ 95% (not condensing) |
| Cooling Method | Forced Air |
| Acoustic Noise | ≤ 65 dBA |
