Manual
Table Of Contents
- part i INTRODUCTION
- 1 GENERAL INFORMATION
- 1.1 Introduction
- 1.2 Product Type Numbers
- 1.3 Abbreviations
- 2 Physical organisation
- 2.1 Configurations
- 3 System Description
- 3.1 Introduction / Overview
- 3.2 Transmitters / Modulators
- 3.3 Monitors / Transmitter Control
- 3.4 Power Systems
- 3.5 Remote control system
- 3.6 Remote Maintenance Monitoring (RMM)
- 3.7 RMM Access
- 3.8 Local Keyboard/Display Functions
- 3.9 Document structure
- 4 Technical Specifications
- 4.1 Signal Requirements
- 4.2 Environmental characteristics
- 4.3 EMV-charakteristics
- 4.4 Mechanical characteristics
- 4.5 Power supply
- 5 Electrical installation
- 5.1 Marker beacon cabinet
- 5.2 Tower equipment
- 6 Antenna
- 6.1 Antenna NM 3561 / NM 3562 For Ils Marker Beacon
©1999 Navia Aviation AS 21464-5
USER MANUALNORMARC 7050
MARKER BEACON
4-1
Technical Specifications
4 Technical Specifications
NM 7050 Marker Beacon Cabinet.
4.1 Signal Requirements
4.1.1 Transmitter
4.1.2
Modulator
Frequency range 75 MHZ
Frequency tolerance ±0,005 %
Output power range
0,005 – 4 W
adjustable.
Fixed attenuator optional in lower range
Harmonic radiation
2,5
UW maximum
spurious radiation
25
UW maximum
OUTPUT POWER STABILITY ±0.5DB
Test function Preset adjustable RF level
M
ODULATION TYPE AM
Modulation alternatives
K
EYED
C
ONTINUOUS
O
FF
MODULATION FREQUENCY AND IDENTIFICATION
INNER MARKER 3000 HZ
•Τ•Τ•Τ•Τ•Τ•Τ•
MIDDLE MARKER 1300 HZ
ΤΤ•ΤΤΤΤ•
Outer marker 400 HZ
ΤΤΤΤΤΤ
Modulation depth 95%
adjustable range 45-97 %
MAX. STEP SIZE
0,5 % Depth of Modulation
stability
±4 %
Depth of Modulation
Frequency tolerance ±2,5 %
Total harmonic dist.
8 %
maximum
Keying
Speed 125
MS/DOT APPROX.
P
AUSE TO DOT RATIO 1:1
P
AUSE TO DASH RATIO
1:3 dots/SEC
2 dashes/sec
Test function
Preset adjustable Depth of Modulation,
normal, continous or no keying