Agilent Technologies 8000 Series Spécifications Page 43
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- DEPANNAGE
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Chapter 3: Testing Performance
To test single cursor voltage measurement accuracy with offset
43
To test single cursor voltage measurement accuracy with offset
The single cursor accuracy specification is derived from the Dual Cursor and Offset accuracy
specifications. By testing single cursor accuracy with offset, both Dual Cursor and Offset
accuracies are tested at the same time. This eliminates the need to do separate tests for each
specification.
This test verifies the voltage measurement accuracy of the oscilloscope. The measurement is
made using dual-cursor automatic measurement so that offset errors are not a factor.
A power supply provides a reference voltage to check voltage measurement accuracy. The actual
supply voltage is monitored for accuracy using a NIST-traceable voltmeter (especially at low
voltages). A DC blocking capacitor and a BNC short are used to filter any noise generated by the
power supply so it does not appear at the oscilloscope input.
Specifications
Gain Accuracy: ± 1.25% of full scale at full resolution channel scale
Offset Accuracy: ±(1.25% of channel offset + 2% of full scale + 1 mV) at
full-resolution scale
Resolution: 8 bits, (0.4% of full scale without averaging); or 12 bits,
(0.024% of full scale with 32 averages) at full resolution scale
Dual Cursor Measurement: ±(gain accuracy + resolution)
Single Cursor Measurement: ±(gain accuracy + offset accuracy + resolution/2)
Equipment Required
Procedure
1
Connect the equipment.
See Figure 3-3.
a Use a BNC-to-banana adapter to connect a BNC cable to the power supply.
b Connect a BNC tee to the other end of the cable and connect the tee to channel 1 of the
oscilloscope.
c Connect another BNC cable to the tee at the oscilloscope and connect a BNC tee to the
other end of the cable.
d Connect the blocking capacitor to the BNC tee and connect the BNC short to the blocking
capacitor.
e Connect a BNC-to-banana adapter to the same BNC tee and connect the adapter to the
DVM input.
Equipment Critical Specifications Recommended Model/Part
Power Supply 7 mV to 30 VDC, 0.1 mV resolution Agilent 6114A
Digital Multimeter
(DMM)
Accuracy better than ± 0.1% of reading Agilent 34401A
Cables (2) BNC Agilent 10503A
Adapters (2) BNC (f) to banana (m) Pomona 1269
Adapters (2) BNC tee (m)(f)(f) Agilent 1250-0781
Blocking capacitor 0.18
µF Agilent 10240B
Shorting cap BNC Agilent 1250-0929
- Service Guide 1
- In This Book 5
- Contents 7
- 6 Replacing Assemblies 8
- 7 Replaceable Parts 8
- 8 Theory of Operation 8
- General Information 10
- Accessories supplied 13
- Accessories available 14
- Options available 15
- ± 5°C from the temperature 16
- Environmental Conditions 17
- Measurement Category 17
- Oscilloscope Dimensions 18
- Preparing for Use 19
- Setting Up the Oscilloscope 20
- To inspect package contents 21
- Figure 2-1 21
- To connect power 22
- Attaching the Probe Connector 25
- Probing the Circuit 26
- To connect the digital probe 28
- Digital probe lead set 29
- 40-pin Connector Pinout 30
- Figure 2-14 31
- To turn on the oscilloscope 32
- To turn off the oscilloscope 32
- Probe Compensation 33
- To clean the oscilloscope 35
- Testing Performance 37
- Clear Display 39
- Averaging 39
- Specifications 39
- Performance Test Procedures 39
- Fluke MET/CAL Procedures 39
- To test the DC calibrator 40
- To test input resistance 42
- Connect the equipment 43
- Select Close 45
- (Supply) Minimum Maximum 45
- Set the scale from the 46
- Set the offset from the 46
- To test bandwidth 47
- To verify threshold accuracy 49
- Connections 50
- High-to-Low Transitions 55
- Threshold Voltage Setting V2 56
- Low-to-High Transitions 57
- To test time scale accuracy 59
- Oscilloscope 60
- Sine Wave Source 60
- Frequency Reference 60
- Agilent Technologies 64
- Range Supply Limits 65
- Performance Test Record 66
- Calibrating and Adjusting 67
- To run the self calibration 69
- Troubleshooting 71
- Default Setup 73
- 54830F01a 75
- Primary Trouble Isolation 76
- Run oscilloscope self-tests 77
- Self Calibration 78
- Performance” on page 37 78
- No Display Trouble Isolation 79
- Input Pin # 7 65432 1 81
- Replace any shorted assembly 84
- Replace the power supply 84
- To check probe power outputs 85
- To Check the keyboard 86
- To check the LEDs 87
- Intel D915GUX Motherboard 88
- To Reset 89
- 5 and 7 89
- To setup the BIOS 91
- Figure 5-12 93
- Software Revisions 94
- Replacing Assemblies 95
- Bottom sleeve fasteners 99
- Removing bottom sleeve 100
- Connecting Mylar flex sables 101
- Disconnecting W8 104
- Access Hole 105
- Removing the BNC nuts 108
- Figure 6-17 112
- Opening in side of 131
- Fan control board cables 131
- Acquisition board cables 131
- Figure 6-32 132
- Lift board out of chassis 134
- To remove and replace a fan 135
- Mylar flex cables 136
- T10 Torx Screws 136
- Replaceable Parts 137
- Power Cords 139
- Exploded Views 140
- Replaceable Parts List 145
- Theory of Operation 149
- Figure 8-1 150
- Logic Trigger 154
- Attenuator Theory 155
- Acquisition Theory 155
- • Trigger levels 156
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