Agilent Technologies InfiniiVision 7000B Series Guide de l'utilisateur Page 206
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6 Measurements and Math Functions
206 InfiniiVision Oscilloscopes User’s Guide
The following figure shows the voltage measurement points.
Amplitude
The Amplitude of a waveform is the difference between its Top and Base values. The Y
cursors show the values being measured.
Math Measurements and Units
Only Peak-Peak, Maximum, Minimum, Average, X at Min Y, and X at Max Y automatic
measurements may be made on a math FFT function. See “Making time measurements
automatically” for the FFT X at Max Y and X at Min Y measurement. Use the cursors to make other
measurements on FFT. All voltage measurements may be made on other math functions. The
resultant units are:
FFT:
1*2:
1–2:
d/dt:
dt:
dB* (decibels)
V
2
, A
2
or W (Volt-Amp)
V (Volts) or A (Amps)
V/s or A/s (V/second A/second)
Vs or As (V-seconds or A-seconds)
* When the FFT source is channel 1, 2, 3, or 4, FFT units will be displayed in dBV when channel
units is set to Volts and channel impedance is set to 1 M
. FFT units will be displayed in dBm
when channel units is set to Volts and channel impedance is set to 50. FFT units will be
displayed as dB for all other FFT sources or when a source channel’s units has been set to Amps.
Maximum
Minimum
Peak-Peak
Amplitude
Top
Base
Digital channel voltage measurements
Automatic voltage measurements are not valid on digital channels on the mixed-signal
oscilloscope.
- Agilent InfiniiVision 1
- 5000/6000/7000 1
- Series Oscilloscopes 1
- Book Map 3
- In This User’s Guide… 4
- Contents 10
- Introduction 21
- Models Covered in this Manual 22
- Licensed Options 24
- ALIBRATION OPTION 25
- PGRADE OPTIONS (CONTINUED) 25
- 1 Introduction 26
- Initial Setup 27
- Package Contents 28
- InfiniiVision 5000 Series 29
- Oscilloscope 29
- 2 Initial Setup 30
- 6000A Series Option BAT 31
- Initial Setup 2 33
- Accessories Available 34
- “Active Probes” on page 74 35
- To retract the feet 39
- 5000 Series Overlay 40
- 6000 Series Overlay 41
- 7000 Series Overlay 42
- TOOLS REQUIRED (NOT SUPPLIED) 43
- RACK MOUNT HARDWARE SUPPLIED 43
- Ventilation Requirements 47
- Power Requirements 48
- 50 49
- 5 V RMS 49
- Quick Help 55
- Quick Help Languages 56
- Quick Help Updates 56
- To set the clock 57
- To set up the screen saver 58
- Using the Analog Channels 59
- Measurement Hints 61
- Knob softkey 69
- AutoProbe Interface 72
- Passive Probes 73
- Active Probes 74
- Compensating Passive Probes 77
- Calibrating Probes 78
- Digital Probes 80
- Triggering 81
- Trigger Event 83
- Post-Trigger Buffer 83
- Acquisition Memory 83
- Pre-Trigger Buffer 83
- Auto and Normal Trigger modes 84
- Auto Mode 85
- Normal Mode 85
- Trigger Level Adjustment 86
- Trigger Coupling 87
- Trigger Noise Rejection 87
- HF Reject 88
- LF Reject 89
- Noise Rejection 89
- Trigger Holdoff 90
- External Trigger Input 92
- Trigger Output 95
- Trigger Types 96
- CAN Trigger 98
- 4 Triggering 100
- User Defined 101
- Duration Trigger 102
- Edge Trigger 105
- FlexRay Setup and Triggering 107
- FlexRay Triggering 108
- C Trigger 115
- S Trigger 121
- "Trigger" value 126
- No trigger 126
- "Armed" value 126
- LIN Trigger 128
- Probing MIL-STD 1553 Signals 131
- MIL-STD 1553 Triggering 133
- Idle Time 135
- Pattern Trigger 137
- Hex Bus Pattern Trigger 139
- Pulse Width Trigger 140
- Sequence Trigger 143
- Define the “Find” Stage 145
- Define the “Trigger on” Stage 146
- (don’t care) 147
- Adjust the Trigger Level 149
- SPI Trigger 150
- TV Trigger 156
- TV Triggering Examples 159
- To trigger on all sync pulses 161
- RIGGERING ON ALL FIELDS 163
- Triggering 4 165
- -FIELD HOLDOFF TIME 165
- UART/RS232 Trigger 166
- USB Trigger 170
- Bus Idle 171
- SE0 portion of EOP 171
- End of packet trigger 171
- Displaying 173
- Tips for Displaying Waveforms 174
- Stabilizing the Display 174
- Interpreting the Display 175
- 5 Displaying 176
- AutoScale 177
- Enabling Fast Debug AutoScale 178
- Pan and Zoom 179
- Grid Intensity 181
- Infinite Persistence 182
- Using Labels 183
- Vectors (Connect the Dots) 187
- Freeze Display 188
- Antialiasing 189
- XGA Video Output 189
- Time Measurements 192
- Phase and Delay 192
- Voltage Measurements 192
- Making Automatic Measurements 193
- Measurement Statistics 194
- Source channel 195
- (color coded) 195
- Measurement Thresholds 197
- Measurement Definitions 199
- Duty Cycle 200
- Frequency 200
- Fall Time 201
- Rise Time 201
- X at Max Y 202
- X at Min Y 202
- Delay and Phase Measurements 203
- Source 1 204
- Source 2 204
- Amplitude 206
- Extinction Ratio 207
- Peak-Peak 208
- Std Deviation 208
- Preshoot 211
- Overshoot 212
- Cursor Measurements 214
- To make cursor measurements 215
- Cursor Examples 217
- URSORS TRACK ZOOM SWEEP 218
- XY Horizontal Mode 220
- IGNAL CENTERED ON THE DISPLAY 221
- ARE 90 OUT OF PHASE 223
- SIGNALS ARE IN PHASE 223
- Math Functions 224
- Math scale and offset 225
- Multiply 227
- Add or Subtract 228
- OF SUBTRACT 229
- Differentiate 230
- OF DIFFERENTIATE FUNCTION 231
- Integrate 232
- NTEGRATE AND SIGNAL OFFSET 233
- Square Root 234
- OF (SQUARE ROOT) 235
- FFT Measurement 236
- Spectral Leakage 237
- FFT Operation 238
- FFT Measurement Hints 240
- Printing and Saving 243
- Quick Print 244
- 7 Printing and Saving 246
- Saving Oscilloscope Data 247
- Selecting a File Name 249
- Choosing Save Settings 251
- Save Segment 253
- Segmented memory save formats 253
- ECOMMENDED SIGNAL MAPPING 255
- File Explorer 257
- Printing and Saving 7 259
- Acquisition Modes 261
- 8 Acquisition Modes 262
- Acquisition Modes 8 263
- To make a single acquisition 264
- Peak Detect Mode 266
- High Resolution Mode 266
- Averaging Mode 267
- Realtime Sampling Option 269
- Segmented Memory 271
- Re-arm time 273
- Web Interface 275
- To establish a LAN connection 276
- 9 Web Interface 278
- Accessing the Web Interface 280
- Browser Web Control 281
- Remote Programming 283
- Get Image 285
- Identification Function 286
- Instrument Utilities 287
- Setting a Password 288
- To reset the password 289
- Serial Decode/Lister 291
- Serial Decode 292
- 10 Serial Decode/Lister 294
- CAN Serial Decode 295
- Interpreting CAN Decode 298
- CAN Totalizer 299
- Interpreting CAN Lister Data 301
- FlexRay Serial Decode 302
- FlexRay Totalizer 304
- C Serial Decode 306
- Interpreting I 308
- C Decode 308
- C Lister Data 309
- S Serial Decode 310
- S Decode 312
- S Lister Data 313
- LIN Serial Decode 314
- Interpreting LIN Decode 317
- Interpreting LIN Lister Data 319
- MIL-STD 1553 Serial Decode 320
- SPI Serial Decode 323
- Interpreting SPI Decode 327
- Interpreting SPI Lister Data 328
- UART/RS232 Serial Decode 329
- UART/RS232 Totalizer 334
- Mask Test 337
- 11 Mask Test 338
- Troubleshooting Mask Setup 339
- Setup Options 340
- Source Lock 341
- Mask Test Trigger Output 342
- Mask Statistics 343
- Reset Statistics 344
- Transparent 344
- Mask File Identifier 345
- Mask Title 345
- Region 1 346
- Region 2 346
- Building a Mask File 348
- Mask Test 11 349
- Controls and Connectors 351
- Front Panel 352
- External 353
- 12 Controls and Connectors 354
- Rear Panel 362
- Controls and Connectors 12 363
- E 367
- JH:G:8DBB:C9:9867A:DCAN 368
- 86A>7G6I>DCJCEGDI:8I:9 368
- 86A>7G6I>DCEGDI:8I:9 368
- Digital Channels 371
- 13 Digital Channels 372
- Circuit 373
- Channel 373
- Pod Ground 373
- Example 376
- Input Impedance 385
- Probe Grounding 387
- Best Probing Practices 388
- Utilities 391
- 14 Utilities 392
- To perform service functions 393
- User Calibration 394
- Self Test 397
- Reference 399
- About Oscilloscope 400
- Software and Firmware Updates 400
- Installed Licenses 400
- Upgrading to an MSO 401
- 15 Reference 402
- Measurement Category 403
- Environmental Conditions 405
- To clean the oscilloscope 408
- Binary Data (.bin) Format 409
- Binary Header Format 410
- Examples of Binary Files 414
- Reference 15 415
- CSV and ASCII XY files 417
- Acknowledgements 418
- To return the instrument 419
- Contact us 420
- Numerics 421
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