Download High Frequency Track Circuits

Table of Contents
LIST OF FIGURES
1-1
1-2
3-1
4-1
4-2
4-3
4-4
4-5A
4-5B
4-6
4-7
4-8
A-1
A-2
A-3A
A-3B
A-4A
A-4B
Physical Layout ........................................................................................... 1-1
Electrical Layout .......................................................................................... 1-1
Diagonal Shunt Installation .......................................................................... 3-3
Single Track Circuit ..................................................................................... 4-2
Dual Circuit with Diagonal Shunt ................................................................. 4-2
Single Switch Track Circuit .......................................................................... 4-3
LAP Switch Track Circuit ............................................................................. 4-3
Short Circuits ............................................................................................... 4-4
Short Circuits ............................................................................................... 4-4
Overlapped Circuits ..................................................................................... 4-5
Mounting Equipment.................................................................................... 4-5
Rail-to-Rail Shunt Connection ..................................................................... 4-8
Wiring Diagram for High Frequency Track Circuits...................................... A-4
Assembly of Equipment for High Frequency Track Circuits ......................... A-5
Transmitter Circuit Diagram and Parts Reference ....................................... A-6
Transmitter Circuit Diagram and Parts Reference ....................................... A-7
Receiver Circuit Diagram and Parts Reference ........................................... A-8
Receiver Circuit Diagram and Parts Reference ........................................... A-9
LIST OF TABLES
4-1
5-1
5-2
ii
Standard Values for Tuning Circuits ............................................................ 4-7
Transmitter Field Servicing .......................................................................... 5-2
Receiver Field Servicing .............................................................................. 5-3
SM5865 (12/99)