Technical Handbook
Table Of Contents
- 1 General Information
- 1.1 Introduction
- 1.2 Product Type Numbers
- 1.3 Abbreviations
- 2 Physical Organization
- 2.1 Module and Assembly Location
- 2.2 Service Kit Assembly
- 2.3 Power Supply
- 3 System description
- 3.1 Overview
- 3.2 Physical Description
- 3.3 Monitors
- 3.4 Transmitters / Modulators
- 3.5 TX Control
- 3.6 Remote Monitoring (RMS) Unit
- 3.7 Remote Control Unit
- 3.8 Remote Slave Panel
- 3.9 Remote Maintenance Monitoring (RMM)
- 4 Technical Specifications
- 4.1 Signal Minimum Performance GP
- 4.2 Environmental Characteristics
- 4.3 EMC Characteristics
- 4.4 Mechanical Characteristics
- 4.5 Power Supply
- 5 Mechanical Installation
- 5.1 Mounting Kit MK1343A
- 5.2 Moving RF Connectors
- 6 Electrical Installation
- 6.1 Connection Overview
- 6.2 Power and Battery
- 6.3 RF Inputs
- 6.4 RF Outputs
- 6.5 DC Loop (Localizer only)
- 6.6 Remote Control
- 6.7 PC and Modem
- 6.8 DME (localizer only)
- 6.9 For the Fernau 2020 DME the following connection is recommended
- 6.10 Analog Inputs
- 6.11 Digital Inputs and Outputs
- 6.12 Battery Warning
- 6.13 Remote control connections
- 6.14 Automatic shutdown of GP
- 6.15 Remote slave connection
- 6.16 Interlock switch connection
- 7 Tests and Adjustments
- 7.1 Configuration Settings
- 7.2 Technical note - Leased Line Setup for Remote Control (Westermo)
- 7.3 Transmitter Alignments and Calibration
- 7.3.1 RF Phase Feedback Adjustment
- 7.3.2 RF Power
- 7.3.3 LF Phase Adjustment
- 7.3.3.1 One-frequency system
- 7.3.3.2 Two-frequency system
- 7.3.4 RF Power Balance Adjustment
- 7.3.5 RF Phase at Combiner I/P
- 7.3.6 SDM Calibration
- 7.3.7 DDM Calibration
- 7.3.7.1 Test DDM Setting
- 7.3.8 Ident Tone Modulation Depth
- 7.3.8.1 Method 1
- 7.3.8.2 Method 2
- 7.3.9 RF Frequency Adjustment
- 7.4 Antenna System Adjustments
- 7.5 Monitor Alignment and Calibration.
- 7.6 Monitor Alarm Setting Procedure
- 7.7 Maintenance Limit Adjustments
- 7.8 Adjustment points
- 8 Functional Description
- 8.1 Introduction
- 8.2 Transmitter
- 8.3 Monitor
- 8.4 Transmitter Control
- 8.5 Remote control system
- 8.6 Remote Monitoring System (RMS)
- 8.7 Power Supply
- 9 Detailed description
- 9.1 Main Cabinet
- 9.1.1 MF1219A Glidepath Monitor Frontend
- 9.1.2 MO1212A Monitor
- 9.1.2.1 NMP101A Monitor Digital Frontend
- 9.1.2.2 NMP102A / NMP103A Comparator
- 9.1.3 TCA1218A Transmitter Control Assembly
- 9.1.3.1 NMP104A Station Control Monitor Data Detector
- 9.1.3.2 NMP105A Station Control Event Detection
- 9.1.3.3 NMP106A Station Control State Machine Control
- 9.1.3.4 NMP107A Terminator
- 9.1.3.5 NMP109A Remote Control Interface
- 9.1.4 LF1223A Low Frequency Generator
- 9.1.4.1 NMP110A Low Frequency Generator Control
- 9.1.5 OS1221B RF Oscillator
- 9.1.6 GPA1231A Glidepath Course Power Amplifier Assembly
- 9.1.7 GPA1232A Glidepath Clearance Power Amplifier Assembly
- 9.1.7.1 PA1234A Power Amplifier
- 9.1.7.2 AC1226A Amplitude control
- 9.1.7.3 PC1225B Phase Control
- 9.1.7.4 FD1236A Feedback Detector
- 9.1.7.5 FD1224A Feedback detector
- 9.1.7.6 CD1238A Combiner Detector
- 9.1.8 COA1207C Change-Over Assembly
- 9.1.9 PS1227A Power Supply
- 9.1.10 RMA1215A RMS Assembly
- 9.1.11 CI1210A External Connection Interface
- 9.1.12 MB1203A Monitor Section Motherboard
- 9.2 Tower Equipment
- 10 Parts Lists
- 10.1 Introduction
- 10.2 Parts Lists
- 10.3 Usable on code index
- 10.4 Figures
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Figure 9-8 NM 7033 Transmitter Block Diagram part 1
VOLT-
AGE
REF.
DATA (7:0)
DATA (7:0)
DATA (7:0)
CONTROL
CONTROL
CONTROL
MOD
LEVEL
RF
LEVEL
DDM
DAC
DIFFER-
ENTIAL
DISTRI-
BUTION
IDENT
KEYER
IDENT + DC LEVEL
MOD 90 LEVEL
MOD 150 LEVEL (DC)
LF_DIG
DATA (7:0)
CONTROL
IDENT/
VOICE
SELECTOR
VOICE
VOICE ON/OFF ANALOGUE IDENT/VOICE
90 Hz
LOWPASS
FILTER
AGC
AMPLIFIER
150 Hz
LOWPASS
FILTER
AGC
AMPLIFIER
150 Hz COU
ANLG_ID
LPF_1020
LP FILTER
MOD_AMP
AGC_AMP2
AGC_AMP
LPF_150
LPF_90
DIGITAL AUDIO
GENERATOR &
CONTROLS
3.6864MHz
Vref
Vref
Vref
Vref
VOLT-
AGE
REF.
DATA (7:0)
DATA (7:0)
DATA (7:0)
CONTROL
CONTROL
CONTROL
MOD
LEVEL
RF
LEVEL
DDM
DAC
DIFFER-
ENTIAL
DISTRI-
BUTION
IDENT
KEYER
IDENT + DC LEVEL
MOD 90 LEVEL
MOD 150 LEVEL
DATA (7:0)
CONTROL
90 Hz
LOWPASS
FILTER
AGC
AMPLIFIER
150 Hz
LOWPASS
FILTER
AGC
AMPLIFIER
90 Hz CLR
150 Hz CLR
MOD_AMP2
AGC_AMP4
AGC_AMP3
LPF_1502
LPF_902
Vref
Vref
Vref
Vref
LF1223A
90 HZ COU
COU
CLR
DAC
DAC
DAC
UNREG 150 Hz
UNREG 90 Hz
UNREG 90 Hz
UNREG 150 Hz
RF BAL
BUFFER
AC1226A
COMPA-
RATOR
AMP_90
MODU-
LATION
CURRENT
DRIVER
AMP_90
MODU-
LATION
CURRENT
DRIVER
AMP_150
COMPA-
RATOR
AMP_150
MOD DEPTH
90 Hz
MOD DEPTH
150Hz
DC
(RF power)
90 Hz FEEDBACK
150 HzFEEDBACK
AC1226A
150 Hz CLR
PHASE ADJ.
90 Hz CLR
PHASE ADJ.
150 Hz COU
PHASE ADJ.
90 Hz COU
PHASE ADJ.
DATA (7:0)
CONTROL
RF BAL
BUFFER
AC1226A
COMPA-
RATOR
AMP_90
MODUL-
ATION
CURRENT
DRIVER
AMP_90
MODUL-
ATION
CURRENT
DRIVER
AMP_150
COMPA-
RATOR
AMP_150
MOD DEPTH
90 Hz
MOD DEPTH
150Hz
DC
(RF power)
90 Hz FEEDBACK
150 HzFEEDBACK
AC1226B
MOD 90 Hz
MOD 150 Hz
150 Hz FEEDBACK
90 Hz FEEDBACK
MOD 90 Hz
MOD 150 Hz
90 Hz FEEDBACK
1
2
3
4
5
6
HBK 750A-1
(RF POWER)
(RF POWER)
1 mm