Appendix E High Resolution Digitizing With the 3458A 347
Appendix E High Resolution Digitizing
With the 3458A
Introduction .........................................................349
Speed with Resolution ......................................... 349
Digitizing Analog Signals ..............................350
Avoiding Aliasing ..........................................350
Choice of Two Measurement Paths ..................... 351
Using the DCV Path for Direct Sampling ...... 351
Using the Track-and-Hold Path for Direct or
Sequential Sampling ....................................... 352
Capturing the Data ...............................................352
High Speed Data Transfers ..................................355
Software Help The Wave Form Analysis Library 355
Starter Main Program ..................................... 357
Errors in Measurements .......................................358
Amplitude Errors ............................................359
Trigger and Timebase Errors .......................... 361
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