Tektronix TBS1052B, Руководство пользователя

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FFT
Displaying the FFT Spectrum
Push the FFT button to display the FFT side menu. Use the options to select the
Source channel, Window algorithm, and FFT Zoom factor. You can display only
one FFT spectrum at a time.
FFT option Settings Comments
Source On/Off On, Off Selects whether the screen displays the source waveform
at the same time as it displays the FFT waveform
Source Ch1, Ch2 Selects the channel used as the FFT source
Window Hanning, Flattop, Rectangular Selects the FFT window type; (See page 54, Selecting
an FFT Window .)
FFT Zoom X1, X2, X5, X10
Changes the horizontal magni fi cation of the FFT display;
(See page 57, Magnifying and Positioning an FFT
Spectrum .)
1. Frequency at the center graticule line.
2. Vertical scale in dB per division (0 dB = 1 V
RMS
).
3. Horizontal scale in frequency per division.
4. Sample rate in number of samples per second.
5. FFT window type.
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