Table Of Contents - Codan X-2 Service Manual

1 Introduction
1.1 Purpose...........................................................................................................1-1
1.2 How this manual is organised ..........................................................................1-1
1.3 Conventions ....................................................................................................1-2
1.4 Related Documents .........................................................................................1-2
1.5 Overview ........................................................................................................1-2
1.6 Specifications..................................................................................................1-3
1.6.1
1.6.2
1.6.3
2 Brief Description
2.1 General ...........................................................................................................2-1
2.2 Control and Switching.....................................................................................2-2
2.3 Synthesiser......................................................................................................2-2
2.4 Receive Path ...................................................................................................2-3
2.5 Transmit Path..................................................................................................2-4
3 Operating Instructions
4 Technical Description
4.1 Control and Supply Voltages...........................................................................4-2
4.1.1
4.1.2
4.1.3
4.2 Receiver..........................................................................................................4-4
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.2.6
4.2.7
4.2.8
4.2.9
Publication No: 15-02047
........................................................................................................1-1
General Specifications.................................................................1-3
Receiver Specifications ...............................................................1-5
Transmitter Specifications...........................................................1-6
............................................................................................2-1
...............................................................................3-1
................................................................................4-1
Power.........................................................................................4-2
Supply Voltages .........................................................................4-2
Receive/Transmit Switching........................................................4-3
Input Filters ................................................................................4-4
First Mixer..................................................................................4-4
45 MHz Roofing Filter................................................................4-4
Second Mixer .............................................................................4-4
Noise Limiter..............................................................................4-5
455 kHz Filter and IF Amplifier ..................................................4-5
Automatic Gain Control..............................................................4-6
Mute...........................................................................................4-7
Volume Control and Audio Amplifier .........................................4-8

Table of Contents