Tektronix TDS 500B

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Appendix B: Algorithms

TDS 500B, TDS 600B, & TDS 700A User Manual

B–13

If all pairs straddle , use maxima. See Figure B–4.

The Burst Width measurement always uses both maxima and minima to

determine crossings.

MidRef

Both min and max

samples are above

MidRef, so use minima.

MidRef

Both min and max

samples are below

MidRef, so use maxima.

Figure B–4: Choosing Minima or Maxima to Use for Envelope Measurements

Main Page

Table of Contents10
Menu20
Table 1-1: Key Features and Differences of Models24
Figure 1-1: Rear Panel Controls Used in Start up27
Table 1-2: Fuse and Fuse Cap Part Numbers27
Figure 1-2: ON/STBY Button28
Figure 2-1: Connecting a Probe for the Examples (P6245 Shown)38
Figure 2-2: SETUP Button Location39
Figure 2-3: the Setup Menu39
Figure 2-4: Trigger Controls40
Figure 2-5: the Display after Factory Initialization41
Figure 2-6: the VERTICAL and HORIZONTAL Controls42
Figure 2-7: TRIGGER Controls43
Figure 2-8: AUTOSET Button Location43
Figure 2-9: the Display after Pressing Autoset44
Figure 2-10: Display Signals Requiring Probe Compensation44
Figure 2-11: the Channel Buttons and Lights45
Figure 2-12: the Vertical Main Menu and Coupling Side Menu46
Figure 2-13: the Menus after Changing Channels47
Figure 2-14: Measure Main Menu and Select Measurement Side49
Figure 2-15: Four Simultaneous Measurement Readouts50
Figure 2-16: General Purpose Knob Indicators51
Figure 2-17: Snapshot of Channel 152
Figure 2-18: Save/Recall Setup Menu54
Figure 3-1: How Probe Compensation Affects Signals60
Figure 3-2: P6139A Probe Adjustment61
Table 3-1: Autoset Defaults63
Figure 3-3: the Channel Readout65
Figure 3-4: Waveform Selection Priority66
Figure 3-5: Scaling and Positioning67
Figure 3-6: Vertical Readouts and Channel Menu68
Figure 3-7: Record View and Time Base Readouts70
Figure 3-8: Horizontal Controls71
Figure 3-9: Acquisition: Input Analog Signal, Sample, and Digitize74
Figure 3-10: Several Points May be Acquired for each Point Used74
Figure 3-11: Real-Time Sampling74
Figure 3-12: Equivalent-Time Sampling75
Table 3-2: How Interleaving Affects Sample Rate77
Figure 3-13: How the Acquisition Modes Work78
Table 3-3: Additional Resolution Bits79
Table 3-4: TDS 500B, TDS 724A, 744A Sampling Mode Selection82
Table 3-5: 784A Sampling Mode Selection82
Table 3-6: XY Format Pairs90
Table 3-7: Pattern and State Logic120
Table 3-8: Pulse Trigger Definitions130
Table 3-9: Measurement Definitions148
Table 3-10: Probe Cal Status170
Table A-2: Standard Accessories237
Table A-1: Options238
Table A-3: Optional Accessories238
Table A-4: Accessory Software240
Table D-1: Factory Initialization Defaults258
Table F-1: External Inspection Check List271

Tektronix TDS 500B - Page 254

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