User Manual Owner manual

GBS-1000 Series User Manual
74
Flattop FFT
window
Frequency resolution
Not good
Amplitude resolution
Good
Suitable for....
Amplitude measurement on
periodic waveform
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 waveform
Addition/Subtraction/Multiplication
Panel operation
1. Activate the channel pairs:
CH1&2, 3&4
2. Press the Math key.
MATH
3. Press F1 (Operation)
repeatedly to select addition
(+), subtraction (–), or
multiplication (x).
Operation
+
F 1