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To make voltage measurements automatically
You can measure the following voltage parameters automatically with the
oscilloscope: peak-to-peak, average, rms, maximum, minimum, top, base,
amplitude, overshoot, and preshoot. The following exercise guides you
through the Voltage keys by making an rms voltage measurement. Steps for
making other voltage measurements are included at the end of the
procedure. The following figures show pulses with some of the voltage
measurement points.
Pulse with Well-Defined Top and Bottom
Pulse with Top and Bottom not Well-Defined
Figure 5-25
Figure 5-26
Making Measurements with HP 54645A/D Oscilloscopes
To make voltage measurements automatically
5-32
- HP 54645A Oscilloscope and 2
- HP 54645D Mixed-Signal 2
- Oscilloscope 2
- The HP 54645A/D at a Glance 3
- Contents 6
- 8 Replacement Parts 10
- Replaceable Parts 8–11 11
- 9Performance Characteristics 11
- 10Messages 11
- Glossary 11
- Getting Started 12
- Figure 1-1 Figure 1-2 14
- Preparing the Oscilloscope 15
- Check package contents 16
- Figure 1-3 17
- Figure 1-4 18
- Table 1-1 19
- Power Cords 19
- Adjust the handle 20
- Connect the cables 20
- Power-on the oscilloscope 21
- Using the oscilloscope probes 24
- Adjust display brightness 24
- Front-Panel Overview 26
- HP 54645A/D Front Panels 31
- Figure 2-2 32
- Table 2-1 33
- HP 54645A Front-Panel Areas 33
- Table 2-2 34
- HP 54645D Front-Panel Areas 34
- Table 2-3 35
- Front-Panel Operation 41
- , then press 44
- , press 48
- D0-D15 51
- To make cursor measurements 55
- To modify the graticule 58
- To print the display 59
- Glitch Trigger 61
- Acquisition Memory 62
- Mode/Coupling 62
- To use holdoff 64
- To use external triggering 66
- To trigger on an edge 67
- To use glitch triggering 68
- To use line triggering 69
- To use TV triggering 69
- Trigger types 71
- To define an edge trigger 75
- To define a pattern trigger 76
- MegaZoom Concepts and 84
- Oscilloscope Operation 84
- Operation 85
- MegaZoom Concepts 86
- Deep Memory 87
- Oscilloscope Responsiveness 88
- Display Update Rate 89
- Display Modes 90
- Same Square Wave on HP 54645D 96
- HP 54645D Shows Glitches 97
- Pan and Zoom 101
- Run/Stop 104
- Main/Delayed 105
- Acquiring Data 113
- Memory Depth/Record Length 114
- To take a single trace 116
- To capture a single event 117
- Single 118
- To use Autostore 119
- Autostore 120
- To erase the waveform display 121
- Table 4-1 132
- Table 4-2 133
- Label/Threshold 134
- Labels On 136
- Labels Off 136
- To define a new label 139
- Press the 140
- To initialize the label list 141
- Making Measurements with 142
- HP 54645A/D Oscilloscopes 142
- Oscilloscopes 143
- Capturing Data 144
- To use delayed sweep 145
- Asynchronous Noise in Pulse 147
- Display 151
- To use channel math 153
- To use the Roll display mode 154
- To use the XY display mode 155
- Cursors 156
- Figure 5-12 158
- Figure 5-13 158
- To analyze video waveforms 159
- Measuring Waveform Data 163
- Cursors Track Delayed Sweep 165
- Moving Cursors Together 166
- softkey 175
- Using Option 005 Enhanced 176
- TV/Video Trigger (HP 54645A) 176
- TV/Video Trigger 177
- Slope/Glitch 179
- TRIGGER 180
- Triggering on All Lines 182
- Triggering on Field 1 183
- Triggering on All Fields 184
- Second VITS Displayed 188
- Testing, Adjusting, and 190
- Troubleshooting 190
- •Solving Problems 191
- •Getting Service 191
- •Adjusting the Oscilloscope 191
- If there is no trace display 193
- If you can’t see a channel 194
- Getting Service 196
- To test the digital channels 200
- Testing Threshold Accuracy 201
- Threshold Test Setup 202
- To verify threshold accuracy 203
- 1 mV/Div* 207
- To verify bandwidth 208
- To verify trigger sensitivity 213
- 25 MHz, 50 mV 215
- Adjusting the Oscilloscope 218
- To adjust the power supply 219
- (top side of oscilloscope) 221
- Autoscale 226
- To adjust the display 227
- (HP 54645A) 229
- Low Voltage Power Supply 231
- 19, and 20 231
- Is the fan running? 234
- To clear error messages 235
- Perform the display test 239
- Perform the keyboard test 239
- Perform the 240
- To troubleshoot Option 005 241
- Replacement Parts 242
- To remove the fan 245
- To remove the cabinet 245
- To remove the front panel 246
- To remove the display 247
- To remove the system board 247
- Remove the system board 248
- To remove the power supply 249
- To remove the keyboard 250
- To remove the handle 250
- Replaceable Parts 252
- To order a replacement part 253
- Figure 8-3 254
- Figure 8-4 257
- Performance Characteristics 260
- HP 54645D Digital Channels 263
- HP 54645A/D Time Base 265
- HP 54645A/D Setup Functions 268
- Option 005 Trigger System 270
- Messages 272
- DECLARATION OF CONFORMITY 298
- Product Regulations 299
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