User manual
Table Of Contents
- SAFETY INSTRUCTIONS
- GETTING STARTED
- QUICK REFERENCE
- Menu Tree / Operation Shortcuts
- Convention
- Acquire Key
- Acquire Key - Segments
- Autoset Key
- CH1 ~ 4 Key
- Cursor Key
- Display Key
- Help Key
- Math Key
- Measure Key
- Hardcopy Key
- Run/Stop Key
- REF Key
- Save/Recall Key
- Test Key
- Test Key – Go-NoGo
- Trigger Type Menu
- Trigger Edge Menu
- Trigger Delay Menu
- Trigger Pulse Width Menu
- Trigger Video Menu
- Trigger Pulse Runt Menu
- Trigger Rise & Fall Menu
- Trigger Timeout Menu
- Utility Key
- Utility Key – I/O
- Utility Key – File Utilities
- Utility Key – Wave Generator - Demo Outputs
- Search - Edge
- Search – Pulse Width
- Search - Runt
- Search – Rise/Fall Time
- Zoom Key
- Option Key
- Default Settings
- Built-in Help
- Menu Tree / Operation Shortcuts
- MEASUREMENT
- CONFIGURATION
- OPTIONAL SOFTWARE and APPS.
- SAVE/RECALL
- FILE UTILITIES
- HARDCOPY KEY
- REMOTE CONTROL CONFIG
- MAINTENANCE
- FAQ
- I connected the signal but it does not appear on the display.
- I want to remove the (Measurement result / FFT result / Help contents) from the display.
- The waveform does not update (frozen).
- The probe waveform is distorted.
- Autoset does not catch the signal well.
- I can’t save files to the internal memory.
- The display image printout is too dark on the background.
- The date and time settings are not correct.
- The accuracy does not match the specification.
- APPENDIX
- INDEX
GDS-2000A Series User Manual
94
√
Performs a square root calculation.
Source
CH1~4, Ref1~4, f(x)
Hanning FFT
Window
Frequency resolution
Good
Amplitude resolution
Not good
Suitable for....
Frequency measurement on
periodic waveforms
Hamming FFT
Window
Frequency resolution
Good
Amplitude resolution
Not good
Suitable for....
Frequency measurement on
periodic waveforms
Rectangular FFT
Window
Frequency resolution
Very good
Amplitude resolution
Bad
Suitable for....
Single-shot phenomenon
(this mode is the same as
having no window at all)
Blackman FFT
Window
Frequency resolution
Bad
Amplitude resolution
Very good
Suitable for....
Amplitude measurement on
periodic waveforms
Addition/Subtraction/Multiplication/Division
Panel Operation
1. Press the Math key.
M
MATH
2. Press the Math key on the lower
bezel.