manuais Tektronix 500C

Tektronix 500C Manual do Utilizador (352 páginas)

Marca: Tektronix | Categoria: Medição, teste e controlo | Tamanho: 2.31 MB |

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Índice

User Manual

1

Digitizing Oscilloscopes

1

070-9869-00

1

WARRANTY

3

List of Figures

7

List of Tables

11

Table of Contents

12

General Safety Summary

13

Symbols and Terms

14

Related Manuals

15

Default Model

16

Model References

16

Conventions

16

Getting Started

19

Product Description

20

Differences by Model

21

Product Specification

22

Start Up

24

Putting into Service

25

Front Cover Removal

26

Power On

26

Self Test

27

Power Off

27

Operating Basics

28

Overview

29

Operating Interface Maps

31

Front Panel Map — Right Side

32

Rear Panel Map

33

Display Map

34

To Operate a Menu

35

To Operate a Pop-Up Menu

36

Tutorial

37

Reset the Oscilloscope

38

SETUP Button

39

Recall Factory Setup

39

Menu Item and Button

39

OK Confirm Factory Init

39

Examine the Display

40

Adjust the Waveform

42

Autoset the Oscilloscope

43

AUTOSET Button

44

Add a Waveform

45

Assign Controls to

48

Another Channel

48

Remove a Waveform

49

Automatically

50

Remove Measurement

52

Readouts

52

Change the Measurement

52

Reference Levels

52

Displaying a Snapshot of

55

Automated Measurements

55

Example 4: Saving Setups

56

Save a Setup

57

Recall a Setup

59

Reference

61

Determining Status and

64

Accessing Help

64

Using Features for

64

Advanced Applications

64

To Compensate

67

Passive Probes

67

Input Impedance

68

Considerations

68

To Autoset the

70

Oscilloscope

70

List of Autoset Defaults

70

0 volts

71

Selecting Channels

72

To Select and

73

Remove Waveforms

73

Waveform Priority

74

To Check Position

75

To Check the

75

Vertical Scale

75

To Change Vertical Scale

76

Vertical Readout

77

To Change

78

Vertical Parameters

78

To Set External

79

Attenuation (TDS 500C

79

Horizontal Status

79

To Change Horizontal

80

Scale and Position

80

Parameters

81

To Select the

83

Delayed Time Base

83

Extended Acquisition

83

Length (Option 2M Only)

83

Choosing an Acquisition Mode

86

Real-time Sampling

87

Equivalent-Time Sampling

88

Interpolation

89

Interleaving

90

The Acquisition Modes

90

Checking the

94

Acquisition Readout

94

Selecting an

94

Selecting Repetitive

95

Sampling

95

Stop After

96

Preventing Aliasing

98

Customizing the Display

99

Change Display Settings

100

Select the Display Style

100

Adjust Intensity

101

Set Display Readout

101

Trigger Bar—Short Style

102

Trigger Point Indicator

102

Trigger Bar—Long Style

102

Select Interpolation Filter

103

Select the Graticule Type

103

Select the Format

104

Customizing the Display Color

105

Choose a Palette

106

Change the Palette Colors

107

Set Math Waveform Color

108

Set Reference Waveform

108

Select Options

109

Restore Colors

109

Zooming on Waveforms

110

Using with Waveforms

111

Interpolation and Zoom

111

Checking the Zoom Factor

111

Zoom a Waveform

112

Set Interpolation

113

Reset Zoom

113

Using Dual Window Mode

113

Zoomed (Magnified) Waveforms

114

Nonzoomed Waveforms, with Box

114

Dual Zoom a Waveform

115

To Set Dual Zoom Offset

115

Waveform Capture Rate

116

To Use InstaVu Mode

117

To Set the InstaVu Style

119

To Set the InstaVu

119

Readout Options

119

Incompatible Modes

119

Using FastFrame

120

 

121

Triggering on Waveforms

124

The Trigger Event

125

Trigger Sources

125

Trigger Types

126

Trigger Modes

126

Trigger Holdoff

127

Trigger Coupling

128

Trigger Position

128

Slope and Level

129

Delayed Trigger System

129

To set MAIN LEVEL

129

To Set to 50%

130

To Force a Trigger

130

To Single Trigger

131

To Check Trigger Status

131

Triggering on a Waveform Edge

133

To Select Edge Triggering

134

To Select a Source

135

To Specify Coupling

135

To Set Mode & Holdoff

136

To Set Slope

136

Triggering Based on Logic

137

Pattern and State Classes

138

Setup and Hold Class

139

To Check Logic

140

Trigger Status

140

To Trigger on a Pattern

142

To Define a Time Qualified

144

Pattern Trigger

144

Triggers Acquisition

145

Time Logic Function is TRUE

145

To State Trigger

146

To Trigger on Setup/

147

Hold Time Violations

147

Triggering on Pulses

150

To Trigger on a Glitch

152

To Trigger on a Runt Pulse

154

Trigger Based on

157

Pulse Width

157

To Trigger Based

158

Cursors Measure Slew Rate

161

Pulse Timeout

162

Communications Triggering

164

To Select Comm

165

Triggering

165

To Specify Code

165

To Select a

166

Communications

166

Standard

166

To Select a Pulse Form

166

Delayed Triggering

167

To Run After Delay

169

To Trigger After Delay

169

Measuring Waveforms

174

Taking Automated Measurements

175

Measurement Readouts

177

Display Measurements

178

Remove Measurements

179

Gate Measurements

179

Define High-Low Setup

181

Define Reference Levels

181

Take a Delay

183

Measurement

183

Take a Snapshot of

184

Measurements

184

Snapshot Display

185

Display Measurement

186

Statistics (TDS 500C and

186

TDS 700C Only)

186

Taking Cursor Measurements

187

Cursor Types

188

Cursor Modes

188

Cursor Readouts

189

Select the

190

Cursor Function

190

Set Mode and Adjust

191

the Cursors

191

Select Cursor Speed

192

Select Time Units

192

Select Amplitude Units

192

To Find More Information

192

Taking Graticule Measurements

193

Measure Waveform Time

194

Start Histogram Counting

194

Reset Histogram Counting

195

Display a Histogram

195

Setting Histogram Box

195

Histogram Measurement

196

Display Histogram

196

Mask Testing (Option 2C Only)

197

(side) to

198

Adjusting Time Base

199

Position

199

Counting Masks

199

Editing a Mask

199

“D2” 143.18 Mb/s

202

Signal Path

203

Compensation

203

Channel/Probe Deskew

204

Probe Cal

204

rather than Probe

206

(side)

208

, you may get the

208

Table 3–13: Probe cal status

211

Saving Waveforms and Setups

212

To Save a Setup

213

To Run the File Utilities

215

To Save a Waveform

216

To Save an Acquisition

217

(Option 2M Only)

217

To Change Format

218

To Delete Waveforms

218

To Recall an Acquisition

220

From Disk (TDS 500C and

220

TDS700C Only)

220

To Enable Autosave

220

Managing the File System

221

To Delete

223

To Rename

223

To Print

224

To Create a Directory

224

To Set Confirm Delete

224

Printing a Hardcopy

225

Supported Formats

226

To Set Up for Making

227

Hardcopies

227

Date and Time Display

229

To Print Directly to a

230

Hardcopy Device

230

To Save to a Disk

232

To Print Using a Controller

233

To Prepare for Remote

235

Operation

235

To Set Up for Remote

237

GPIB Configuration Menu

238

Displaying Status

240

Firmware Version

241

Displaying the Banner

242

Displaying Help

242

Limit Testing

244

To Create Limit Test

245

Template

245

To Select a Limit Test

247

To Specify the Limit Test

247

Response

247

Single Waveform

248

Comparisons

248

Waveform Math

249

To Use Single Wfm Math

250

To Use Dual Wfm Math

251

Fast Fourier Transforms

252

To Create an FFT

254

To Take Cursor

257

Measurements of an FFT

257

See step 7 on page

258

To Take Automated

259

The FFT Frequency

259

Domain Record

259

Sample Rate

261

FFT Length

261

Normally, the output of a

262

Record Length

262

Acquisition Mode

263

Zoom and Interpolation

263

Undersampling (Aliasing)

264

Considerations for Phase

265

Displays

265

FFT Windows

267

Waveform Differentiation

271

To Create a Derivative of a

272

Waveform

272

Offset, Position, and Scale

274

Using Zoom

275

Waveform Integration

276

To Create a Integral Math

277

Source Waveform

279

Integral Math Waveform

279

DC Offset

280

Appendices

282

Table A–1: Options (cont.)

284

Standard Accessories

285

Optional Accessories

286

Accessory Probes

287

Accessory Software

289

Warranty Information

289

Service Assurance

289

Appendix B: Algorithms

291

HighRef, MidRef, LowRef

292

Other Variables

293

MCross Calculations

294

Measurement Algorithms

296

Burst Width

297

Cycle Mean

297

Cycle RMS

297

Extinction Ratio

298

Extinction %

298

Extinction dB

298

Fall Time

298

Frequency

299

Mean dBm

300

Negative Duty Cycle

301

Negative Overshoot

301

Negative Width

301

Optical Power

301

Peak to Peak

301

 * 

302

Positive Duty Cycle

303

Positive Overshoot

303

Positive Width

303

Rise Time

303

Ă(())

304

Integration Algorithm

305

Appendix D: Probe Selection

311

Low Impedance (Z

312

High Voltage Probes

312

Active Voltage Probes

313

Current Probes

314

Optical Probes

315

General Care

317

Inspection and Cleaning

317

Procedures

317

Appendix F: Programmer Disk

319

Glossary

321

NegativeOvershoot +

329

Low * Min

329

Amplitude

329

PositiveOvershoot +

330

Max * High

330

Glossary–14

335

, Zoom menu, 3–54

341

DC. See DC Offset

346

, Vertical menu, 3–18

346

Index–11

347

Index–12

348

Index–13

349

Index–14

350

Position, 3–15, 3–16

351

Index–16

352

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