Manual

NORMARC 7033
INSTRUMENT LANDING SYSTEM
GENERAL DESCRIPTION
GENERAL DESCRIPTION ©1999 Navia Aviation AS
1-2
* asymmetrical limits are possible.
1.1.2 Environmental Characteristics
1.1.3 EMC Characteristics
Change of nominal DS from nominal
value
+
10-60 uA
Change of nominal CLR (2-freq only) +
10-60 uA
Change of nominal NF +
10-60 uA
Change of nominal SDM +
2-8% SDM
Difference frequency (2-freq. only) +
2-5 kHz
Total period of radiation out of tolerance 1-6 sec.
Additional NF time delay 0-20 sec.
Line break, ILS - Remote Control (disa-
ble optional)
Monitor input levels:
Adjustment range, nominal level -5 to –34 dBm
AGC range for less than 1%
change in SDM
5 dB
Monitor stability at nominal levels:
RF power values +
0,3 dB
DDM values +
1 uA
SDM values +
1% SDM
Warning Functions:
RF power reduction 40-75% of Alarm limit
Change of nominal CL 40-75% of Alarm limit
Change of nominal DS 40-75% of Alarm limit
Change of nominal CLR 40-75% of Alarm limit
Change of nominal NF 40-75% of Alarm limit
Change of SDM 40-75% of Alarm limit
Difference frequency 40-75% of Alarm limit
Mains failure
Remote Control
Data Transmission Medium 2-wire line, 600 ohm
Data modulation serial, FSK
Transmitter level -10dBm +
2 dB
Receiver dynamic range -10dBm to -34dBm
Operating temperature -10 to +55 °C
Storage temperature -30 to +60 °C
EMR: EN 55022 class B
Spurious and harmonics: CISPR 22