| RF Signal Output | |
| Output Power | 100W (50 to 100W adjustable in steps of 1 Watt) |
| Frequency Band | 108.00MHz to 117.975 MHz |
| Channel pattern | 50kHz |
| Carrier Frequency Stability | ± 0.002% |
| Antenna System | 1 + 48 Alford loops |
| Polarisation | Horizontal |
| Bearing accuracy (for all elevation angle from 0 to > 40 deg.) | Typically ± 0.5 deg Maximum error |
| Reference Phase Modulation (AM) | |
| Frequency | 30 Hz ± 0.01% |
| Reference Phase Shift | 0 - 359.9 deg programmable in steps of 0.1 deg |
| Carrier Phase Stability | < ± 0.5 deg referred to Ref. Generator |
| Variable Phase Modulation (AM) | |
| Sub-Carrier frequency | 9960 Hz ± 0.02% |
| Mean depth of modulation by sub-carrier | 28% to 32% (adjustable) |
| Frequency of modulation | 30Hz ± 0.01% |
| Deviation Ratio | 16 ± 1 |
| Voice Modulation (AM) | |
| Frequency range | 300 to 3000Hz |
| Modulation depth | Recommended 10% (adjustable 0 to 15%) |
| Noise due to signal communication | Negligible |
| Identification | |
| Modulation Tone | 1020 Hz ± 50 Hz |
| Modulation Depth | Recommended 10% (adjustable 0-15% in steps of 1%) |
| Code | International Morse up to three letters |
| Keying Speed | 7 Words per minute (adjustable) |
| Repetition Rate | 6 Words per minute (adjustable) |
| DME Keying | Facility provided for interfacing with collocated DME or TACAN |
| Monitoring Alarm Conditions | |
| Monitor Configuration | Dual with one or two monitor dipoles, voting AND/OR |
| Change in transmitted bearing information | Adjustable
in 0.1 deg Steps to a maximum of ± 1 deg |
| Depth of modulation of sub carrier and 30 Hz AM | Adjustable from 25% to 32% |
| Code Failure | Continuous or absent tone |
| Failure of antennas | Alarm for failure of two diametrically opposite antennas |
| Failure of monitor | Integral alarm |
| Carrier power | Alarm if power <45W |
| Monitor Signal processing | Through micro-controllers programmable alarm limits as above |
| Alarm delay | Programmable from 1 to 90 sec |
| Monitor calibration Control | Available through BITE and PC |
| Performance Monitoring | Status Data on system elements can be displayed through Remote PC and RMM Software |
| Fault Diagnosis | Down to LRU Level through fault bits |
| Power Supply Status | Mains and BCPS status displayed as OK/NOT OK |
| Input Power | |
| Primary Supply | 230/110 VAC, 50/60 Hz |
| Power consumption |
900 VA (typical) excluding battery charging 1200 VA (typical) including battery charging |
| Secondary Supply DC | 22V to 28V DC, nominal 24V |
| Standby Battery | Maintenance free 24V |
| Environmental Conditions | |
| Indoor Equipment | 0 deg C to + 50 deg C |
| Relative Humidity | Up to 95% (0 to 35 deg) |
| Outdoor Equipment | -50
deg C to + 70 deg C 160 Km/h (100 Mph) wind velocity |
| Hail stones/Ice | Up to 1cm diameter without damage to antenna radome |
EMC: Compliant with EMC Directive 89/336/EEC
2070 DVOR adjustment is achieved via the Remote and/or Local Maintainence Monitoring and Control PC.
The Company reserves the right to change specifications without notice.
Fernau Avionics Limited, Airport Executive Park, President Way, Luton, Befordshire, LU2 9NY, United Kingdom
Tel: +44 1582 483111 Fax: +44 1582 484404 Email: information@fernau.com