IET Labs, Inc. RLC Digibridge 1693 User And Service Manual page 7

3.5 Measurement Time and Measurement Ranges ........................................................................... 45
3.5.1 General ............................................................................................................................. 45
3.5.2 Measure Rate Selection at Keyboard ............................................................................... 45
3.5.3 Settling Time or Programmed Delay, in Triggered Measure Mode ................................. 46
3.5.4 Measure Mode and Display Selection, Effects on Measurement Time ........................... 46
3.5.5 Integration-Time Factor (a Special Function) .................................................................. 46
3.5.6 Ranges and Range Changing ............................................................................................ 47
3.5.7 Range Holding .................................................................................................................. 48
3.5.8 Time Required for Obtaining Median Values and Averaging .......................................... 49
3.5.9 Time Required if IEEE-488 Output is Enabled ................................................................ 50
3.5.10 Effect of Selecting a Low Test Frequency on Measurement Time................................. 50
3.5.11 Measurement Time Summary......................................................................................... 51
3.6 Accuracy, The Limits of Errors .................................................................................................. 52
3.6.1 General ............................................................................................................................. 52
3.6.2 Accuracy for Some Typical Conditions ............................................................................ 53
3.6.3 Averaging to Improve Accuracy ....................................................................................... 54
3.6.4 Selection of Median Value for Better Accuracy ............................................................... 55
3.6.5 Accuracy Enhancement for Large or Small Impedances at Particular Frequencies ......... 55
3.6.6 Accuracy Enhancement by Special Attention to Short-Circuit Inductance ...................... 56
3.6.7 Cable-Related Errors and How to Correct for them ......................................................... 57
3.6.8 Use of Signal Reversing (Special Function) for Tests at Power Frequencies .................. 58
3.6.9 Accuracy When Holding a Non-Optimum Range ............................................................ 59
3.7 Bias for the DUT ........................................................................................................................ 59
3.7.1 Internal Bias ..................................................................................................................... 59
3.7.2 External Bias .................................................................................................................... 60
3.7.3 Suppression or Transients ................................................................................................. 62
3.8 Bin Sorting and Go/No-Go Results ............................................................................................ 62
3.8.1 Introduction to Binning (Sorting Based on Limit Comparisons) ..................................... 62
3.8.2 Sorting Methods ............................................................................................................... 62
3.8.3 Limit Entry Procedure ...................................................................................................... 63
3.8.4 Verification of Nominal and Limit Values ........................................................................ 64
3.8.5 Examples of Limit Entry .................................................................................................. 65
3.8.6 Notes on Limit Entries in General .................................................................................... 66
3.8.7 Go/No-Go and Bin Assignment Results ........................................................................... 67
3.8.8 Bin Sum Information ........................................................................................................ 67
3.8.9 Binning and Ratio Measurement Simultaneously ............................................................ 67
1693 RLC Digibridge
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