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Chapter 2 Front Panel Operation RIGOL
User’s Guide for DSA800 Series
2-23
Sweep and Function Settings
BW/Det
Set the RBW (Resolution Bandwidth), VBW (Video Bandwidth) and detector type
parameters of the analyzer.
RBW
Set the desired resolution bandwidth in order to distinguish between signals which
are close in frequency.
Key Points:
Reducing RBW will increase the frequency resolution, but will increase the
sweep time (Sweep Time is affected by a combination of RBW and VBW when
it is in Auto mode).
RBW varies with the span (non-zero span) in Auto RBW mode.
You can modify this parameter using the numeric keys, knob or direction keys.
For more details, please refer to “Parameter Setting”.
Note: If the detector type is “Quasi-Peak” or the filter type is “EMI”, RBW can be
200 Hz, 9 kHz or 120 kHz only.
Table 2-13 RBW (Filter Type is Gauss)
Parameter Explanation
Default 1 MHz
Range
10 Hz to 1 MHz
Unit
GHz, MHz, kHz, Hz
Knob Step in 1, 3, 10 sequence
Direction Key Step in 1, 3, 10 sequence
- User’s Guide 1
- DSA800 Series 1
- Spectrum Analyzer 1
- Guaranty and Declaration 3
- Safety Requirement 4
- Safety Terms and Symbols 7
- General Care and Cleaning 12
- Environmental Considerations 13
- DSA800 Series Overview 14
- Document Overview 15
- Contents 17
- RIGOL Contents 18
- Contents RIGOL 19
- Chapter 1 Quick Start 21
- General Inspection 22
- Appearance and Dimensions 23
- To Prepare for Use 24
- To Connect to Power 25
- Power-on Inspection 26
- Self-calibration 26
- To Set the System Language 26
- Front Panel 27
- Front Panel Function Keys 28
- Front Panel Key Backlight 30
- Front Panel Connectors 31
- RIGOL Chapter 1 Quick Start 32
- To Use the Numeric Keyboard 33
- Rear Panel 35
- User Interface 37
- Chapter 1 Quick Start RIGOL 39
- Menu Operation 40
- Parameter Setting 42
- To Input Filename 44
- To Use the Built-in Help 48
- To Use the Security Lock 50
- To Replace the Fuse 51
- Basic Settings 54
- Center Freq 55
- Start Freq 55
- Stop Freq 56
- Freq Offset 57
- CF Step 58
- Signal Track 58
- Peak -> CF 60
- CF -> Step 61
- Full Span 62
- Zero Span 62
- Zoom In 63
- Zoom Out 63
- Last Span 63
- X Scale (Only for DSA815) 63
- Auto Scale 64
- Ref Level 65
- Input Atten 66
- Scale/Div 66
- Scale Type 67
- Units 68
- Ref Offset 68
- Auto Range 69
- RF Preamp 71
- Correction 72
- MaxMixL 74
- Input Impedance 74
- Sweep and Function Settings 75
- V/R Ratio 76
- Detector Type 77
- Filter Type 79
- Sweep/Trig 80
- Auto SWT 81
- Numbers 83
- Trig Type 84
- Trig Setup 84
- Trace/P/F 86
- Average Times 87
- Trace Math 88
- Blank All 89
- Pass/Fail 89
- Average Reset 92
- TG Level 93
- TG Lvl Offset 94
- Normalize 96
- Measurement Settings 98
- Restart 100
- Meas Mode 101
- Meas Setup 102
- T-Power 105
- Chan Pwr 111
- C/N Ratio 120
- /N Ratio Measurement 121
- Frequency/100, the 121
- Harmo Dist 123
- Demod Setup 128
- Marker Measurements 130
- Select Mkr 131
- Normal 131
- Delta Pair 133
- Span Pair 133
- Mkr Trace 134
- Readout 134
- Mkr Table 135
- All Off 136
- Marker-> 137
- Mkr->Stop 138
- Mkr->Ref 138
- MkrΔ->CF 138
- MkrΔ->Span 138
- Marker Fctn 139
- Function Off 140
- Freq Count 141
- Next Peak 142
- Peak Right 142
- Peak Left 142
- Min Search 143
- Peak Peak 143
- Cont Peak 143
- Search Para 143
- Peak Table 144
- Shortcut Key 146
- User Key 148
- System Settings 156
- Calibrate 157
- I/O Settings 158
- Display 161
- Work Setting 163
- Coupl Param 163
- Information 164
- Self-Test 165
- Time/Date 165
- License 166
- TX1000 (Option) 167
- Sanitation 168
- Print Setup 169
- Storage 172
- File Type 173
- File Sourse 174
- Browser 175
- Expand Dir 175
- Collapse Dir 175
- Create Dir 177
- Disk Info 177
- Name Prefix 178
- System Update 178
- Chapter 3 Remote Control 179
- Remote Control Overview 180
- Remote Control Method 181
- To Use PC software 184
- Troubleshooting 194
- Messages 196
- Information Message 198
- Error Message 201
- Execution Error 205
- Device Specific Error 208
- Query Error 213
- Status Message 214
- Chapter 5 Specifications 215
- Technical Specifications* 216
- DSA815 DSA832 DSA875 217
- Amplitude 218
- Tracking Generator (Option) 224
- Trigger 224
- Input /Output 225
- General Specifications 226
- Chapter 6 Appendix 229
- RIGOL Chapter 6 Appendix 230
- Appendix B: Warranty 231
- Index RIGOL 233
- RIGOL Index 234
- ................. 2-16 235
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