Quantum Audio STT3401A Manuel D’Utilisation

Page de 137
 
Table of Contents 
Seagate Travan 40 Product Manual 
Page vii 
 
Tape partitioning ...................................................................................................... 114
 
Track positions ........................................................................................................ 114
 
Track numbering...................................................................................................... 115
 
Track format ............................................................................................................ 115
 
Frames .............................................................................................................. 115
 
Blocks................................................................................................................ 117
 
Tape reference servo pattern .................................................................................. 117
 
Write equalization .................................................................................................... 118
 
Randomization......................................................................................................... 118
 
Theory of operations 
119
 
Overview.................................................................................................................. 119
 
Block diagram .......................................................................................................... 119
 
Drive mechanisms ................................................................................................... 120
 
Mechanics ......................................................................................................... 120
 
Cartridge-load mechanism ................................................................................ 120
 
Capstan/drive-motor assembly ......................................................................... 120
 
Chassis ............................................................................................................. 120
 
Control circuits ......................................................................................................... 120
 
Head design............................................................................................................. 121
 
Flash EEPROM ....................................................................................................... 121
 
Sensors and switches.............................................................................................. 121
 
Drive media (Travan minicartridges) ....................................................................... 122
 
Glossary 
123