DOPPLER VHF OMNIDIRECTIONAL RANGE

Transcription

1 Supplying ATM systems around the world for more than 30 years Characteristics MONITOR Single/dual Monitor voting And/or Alarm thresholds User configurable Carrier power 3 db (digitally adjustable) Bearing information ± 1º maximum (adjustable) Modulation depth of: 15% bellow nominal level Sub-carrier, AM, FM Adjustable Continuous tone or absence of tone or modulation depth Antenna monitoring Failure of a single antenna or a diametrically opposite antenna pair Monitor failure Fault diagnosis Down to LRU level Power supply control/status Programmable limits: Output voltages and current Alarm limits Start mode and start delay Programmable: Under and over voltages Current limit and power limit Voice modulating input signal Microphone input -52 to Line input - analog -37 dbm to +6 Bal. 600 Digital input S/PDIF, RCA 75 Voice compandor User selectable in/out or optical ENVIRONMENTAL Temperature Indoor equipment -20ºC to +60ºC Humidity Indoor 95% Maximum altitude Operating Inoperative 15,000 ft 45,000 ft Avda. de Bruselas, Alcobendas Madrid (Spain) T F infoatm@indra.es Indra reserves the right to modify these specifications without prior notice. V

2 DVOR Introduction A low cost and highly reliable equipment ready for the most severe climatic conditions The Indra DVOR is the ultimate choice in Doppler VHF omnidirectional range equipments combining quality with exceptional value for money. The equipment employs state-of-the-art technology ensuring high reliability in order to meet the demands of both civil and military requirements. Integrity, reliability and maintainability are fundamental to the design concept of this system. The equipment has been tested under the most demanding environmental conditions, ensuring equipment operation in any environment. The Indra DVOR is an easy to use system requiring minimal maintenance that meets or exceeds all requirements of ICAO annex 10, volume I edition 6, and EUROCAE ED- 52, this enables interoperability with all currently available radio navigation aids on the market. DVOR

3 Indra DVOR The Indra DVOR equipment is an state-ofthe-art technology product ensuring high reliability and maintainability based on many years of operation in fielded systems in order to meet the demands of both civil and military requirements. The Indra DVOR system is a low effective cost and high performance turn-key solution with high flexibility to be adapted, if required to customers sites and/or maintenance communications architecture system necessities. The system makes use of the experience gained by Indra in developing and installing navaid systems in a wide variety of countries world wide under the most severe climatic conditions. The system is available in two options, single, and dual configuration, both employing the use of high quality electronic components. The Indra DVOR equipment has a modern and modular design which performs continuous monitoring of the main system parameters, providing high reliability and availability rates. Indra DVOR provide extensive use of digital technology and a powerful monitoring and BIT processes in addition to a global connectivity providing multiple interfaces according the customer requirements. Main characteristics Dual transmitters, monitors, power supplies and control RF amplifiers modules based on solid state technology Multiple interfaces (rs232, Ethernet ) DSP and embedded PC Friendly and intuitive user interface Multiple configurations Standard and flexible RMM architecture High level BITE Technology The Indra DVOR is based on a modular design architecture, solid state components and auto-diagnosis Built In Test (BIT) concept to provide a superior level of reliability. Direct Digital Synthesizer (DDS) techniques are used for timing, frequency and waveform generation circuitry, derived from a single stable temperature-compensated crystal clock circuit which ensures accurate clocking of all critical time-dependent pulse generation and measurement circuits. RMM The Indra DVOR equipment can be integrated with a versatile and robust software architecture that allows control and supervision to be performed locally or remotely, with several security levels. The software architecture is based on standard protocols which provide intuitive and simple operation. There are different interfaces such as Ethernet, RS-232 and RS-485 allowing system compatibility and remote control connections accomplished by multiple means including dial-up modem, leased-lines, radio, IP-based Virtual Private Network (VPN), Ethernet, and cellular networks. Maintenance and reliability The Indra DVOR includes a Built In Test (BIT) capability designed to detect, isolate and report any malfunction or condition out of tolerance by using automatic and noninterruptive self-tests down to LRU level. These BIT system capabilities reduce dramatically the routine maintenance tasks and repair times, allowing the chance of predicting a degradation of system performances. The results of the BITE process are available both locally and remotely via L/RMM. The maintenance concept is based on LRU modules, easily accessible and exchangeable. All components of the Indra DVOR have been selected to provide maximum reliability and minimize maintenance costs.

4 Characteristics GENERAL CHARACTERISTICS Type Frequency range Channel spacing Carrier frequency stability Bearing accuracy ± 0.5º Antenna system Polarization Status indication Module hot replacement System monitoring (BITE) Local/remote interface Reliability MODULATION SIGNAL CHARACTERISTICS Reference phase Frequency Modulation depth Double side band DVOR Single or Dual 20 W to 120 W adjustable in 0.1 W steps 108 to MHz 50 khz channel Les than ± 10 ppm temperature and life without adjustment alford loops Horizontal Reference phase shift ± 180º Reference phase shift step Modulation frequency Modulation depth Keying speed Repetition rate Voice Modulation Frequency range Full local and remote indication Complete system LRU monitoring Ethernet RS-232 and RS-485 MTBF > 12,000 h (single) MTBO > 20,000 h (dual) MTTR < 30 m (15m typical) 30 Hz ± 10 ppm 28% to 32% adjustable Direct digital synthesis 0.05º offset resolution International morse up to 5 chars 1020 Hz ± 10 ppm 0 to 20%, adjustable 7 words per min., adjustable 6 times per min., adjustable 300 Hz to 3000 Hz Modulation depth 10% to 30% Variable phase Frequency Mean depth FM modulation index 16 ± 1 Modulation by subcarrier Sideband harmonic levels 9960 Hz ± 10 ppm 28% to 32% adjustable Less than 35% 300 meters Better than ICAO levels

5 Supplying ATM systems around the world for more than 30 years Characteristics MONITOR Single/dual Monitor voting And/or Alarm thresholds User configurable Carrier power 3 db (digitally adjustable) Bearing information ± 1º maximum (adjustable) Modulation depth of: 15% bellow nominal level Sub-carrier, AM, FM Adjustable Continuous tone or absence of tone or modulation depth Antenna monitoring Failure of a single antenna or a diametrically opposite antenna pair Monitor failure Fault diagnosis Down to LRU level Power supply control/status Programmable limits: Output voltages and current Alarm limits Start mode and start delay Programmable: Under and over voltages Current limit and power limit Voice modulating input signal Microphone input -52 to Line input - analog -37 dbm to +6 Bal. 600 Digital input S/PDIF, RCA 75 Voice compandor User selectable in/out or optical ENVIRONMENTAL Temperature Indoor equipment -20ºC to +60ºC Humidity Indoor 95% Maximum altitude Operating Inoperative 15,000 ft 45,000 ft Avda. de Bruselas, Alcobendas Madrid (Spain) T F infoatm@indra.es Indra reserves the right to modify these specifications without prior notice. V

6 Supplying ATM systems around the world for more than 30 years Characteristics MONITOR Single/dual Monitor voting And/or Alarm thresholds User configurable Carrier power 3 db (digitally adjustable) Bearing information ± 1º maximum (adjustable) Modulation depth of: 15% bellow nominal level Sub-carrier, AM, FM Adjustable Continuous tone or absence of tone or modulation depth Antenna monitoring Failure of a single antenna or a diametrically opposite antenna pair Monitor failure Fault diagnosis Down to LRU level Power supply control/status Programmable limits: Output voltages and current Alarm limits Start mode and start delay Programmable: Under and over voltages Current limit and power limit Voice modulating input signal Microphone input -52 to Line input - analog -37 dbm to +6 Bal. 600 Digital input S/PDIF, RCA 75 Voice compandor User selectable in/out or optical ENVIRONMENTAL Temperature Indoor equipment -20ºC to +60ºC Humidity Indoor 95% Maximum altitude Operating Inoperative 15,000 ft 45,000 ft Avda. de Bruselas, Alcobendas Madrid (Spain) T F infoatm@indra.es Indra reserves the right to modify these specifications without prior notice. V