User`s guide

APDCAM User’s Guide
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CONTENTS
1. Introduction ................................................................................................................. 3
1.1. Using this document ............................................................................................. 3
2. Using APDCAM ......................................................................................................... 7
2.1. Power connection ................................................................................................. 7
2.2. Operating environment ......................................................................................... 7
2.3. Camera cooling .................................................................................................... 7
2.4. Configuration ....................................................................................................... 7
2.5. PC communication ............................................................................................... 7
2.6. Software interface ................................................................................................ 8
2.7. Optical input interface .......................................................................................... 8
2.8. The detector and its operation .............................................................................. 9
2.9. Data acquisition .................................................................................................... 9
2.10. Controls and indicators ................................................................................... 10
3. APDCAM Reference Manual .................................................................................. 12
3.1. System Overview ............................................................................................... 12
3.2. Detector and analog electronics ......................................................................... 13
3.3. Data Acquisition Unit ......................................................................................... 15
3.3.1. ADC Timing ............................................................................................... 18
3.3.2. Filtering, resampling and channel selection ................................................ 18
3.3.3. Triggering, overload protection .................................................................. 21
3.3.4. Data output format ...................................................................................... 22
3.3.5. Offset control .............................................................................................. 22
3.4. Control unit ........................................................................................................ 23
3.4.1. Detector bias voltage setting ....................................................................... 23
3.4.2. Temperature control .................................................................................... 23
3.4.3. Shutter and calibration light ........................................................................ 24
3.5. Ethernet Communication .................................................................................... 26
3.6. Software interface .............................................................................................. 27
3.6.1. Received data memory map ........................................................................ 31