SC-2040 Eight-Channel Simultaneous Sample-and-Hold Accessory User Manual

Contents
SC-2040 User Manual vi © National Instruments Corporation
Chapter 4
Theory of Operation
.......................................................................................................... 4-1
Functional Overview......................................................................................................4-1
Analog Circuitry ............................................................................................................4-3
Input Protection..................................................................................................4-3
Amplification.....................................................................................................4-3
Track-and-Hold (T/H) Circuitry ........................................................................4-3
Triggering from the DAQ Board ...........................................................4-4
External Triggering................................................................................4-5
Output Connection.................................................................................4-6
Power Supply.........................................................................................4-6
Chapter 5
Calibration Procedures
.....................................................................................................5-1
Software Calibration......................................................................................................5-1
Offset Adjustment..............................................................................................5-1
Gain Adjustment................................................................................................5-2
Linearity Adjustment .........................................................................................5-2
Hardware Calibration.....................................................................................................5-2
Appendix A
Specifications
........................................................................................................................ A-1
Appendix B
Customer Communication
............................................................................................... B-1
Glossary........................................................................................................................Glossary-1
Index..................................................................................................................................Index-1