Single or dual systems. Power output configurations from less than 100W to 1kW full band. Fixed or transportable.
Transmitter
Power Output 100 watt to 1kW versions
Frequency 960MHz - 1215MHz
Frequency Stability ±0.001%
Channels 252 (X and Y)
RF Pulse Spectrum, Spurious Outputs & Harmonics ICAO Annex 10
Pulse Rise and Fall Time 2.5 µs ±O.5 µs
Pulse Duration 3.5 µs ±O.5 µs
Pulse Pair Spacing X channel - 12µs ±0.25µs
Y channel - 30µs ±0.25µs
Ident Signal ICAO Annex 10
Ident Rate 1350 ±25 pp/s
Pulse Repetition Rate 700 to 5400 pp/s
System Reply Delay X channel - 35 to 51 µs
Y channel - 48 to 57 µs
Microprocessor control ±O.025 µs
Reply Delay Time Stability
Input Signal (Ae connector)
0 to -10dBm
-10 to -91dBm 		Delay Variation
±0.25 µs
±0.8 µs
Receiver
Frequency 1025 MHz to 1150 MHz
(1MHz channels )
Sensitivity - 91dBm for 70% reply efficiency
Adjacent Channel & IF Frequency Rejection 83dB minimum
Spurious Rejection 75 dB min for spurious frequencies
Receiver Decodes (N) Mode X channel 12 ± 1 µs
Y channel 36 ± 1 µs
Aircraft handling capacity 200 Interrogators
Monitor
Interrogation Signal Generator Centre frequency fo ±100KHz to fo ±9OOKHz in 100KHz steps
Monitored Parameters
Primary The following parameters cause the system to shutdown or transfer if out of tolerance:
a) Reply delay
b) Transmitter pulse spacing
Secondary (Upgradeable to Primary alarms) The following parameters register a warning if out of tolerance:
a) Frequency
b) Reply efficiency
c) Output power
d) Reply rate
e) Ident
Displayed parameters on local and remote PC’s Reply delay
Transmitter peak power
Transmitter pulse pair spacing
Transmitter pulse count
Receiver reply efficiency
Monitor interrogation pulse count
Monitor interrogation pulse pair spacing
LRU/PCB status
Trend analysis
Diagnostic displays
Data logging/performance history
General
Status Indication Full Local and Remote Indication
System Monitoring (BITE) Complete system monitoring by microprocessors including status output for each LRU
Remote/Local control Interface IBM compatible PC, for local and remote operation
Power Supply
– AC   220V/240V ± 10% AC
45/60Hz 11OV
– DC   24V/28V
Power Consumption 210 Watts (nom) for 100W
310 Watts (nom) for 1kW
Dimensions
Cabinet (Dual) 600mm Wide
600mm Deep
1920mm High
Weight 215kg (Dual)
205kg (single)
Environmental
Temperature Operating: -10ºC to + 55ºC
Storage: -30ºC to + 60ºC
Humidity 0% to 95% RH over temperature range (non-condensing)
Reliability

MTBO better than 15,000 hours for a dual system
MTTR 15 minutes (Typical)
EMC Compliant with EMC Directive 89/336/EEC

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