Fluke 199C/S FE 192,196,199 C Users Manual - Page 30

Waveform, Mathematics, Function: Spectrum, Window: Auto, Hanning, Spectrum measurement

Get Fluke 199C/S PDF manuals and user guides View all Fluke 199C/S manuals
Add to My Manuals
Save this manual to your list of manuals

Page 30 highlights

Fluke 192B - 196B/C - 199B/C Users Manual 3 Jump to Waveform: and select Mathematics... to open the Mathematics menu. 4 Select Function: Spectrum. 5 Select Window: Auto (automatic windowing), Hanning, Hamming, or None (no windowing). You will see a screen that looks like Figure 11. Observe that the top right of the screen displays SPECTRUM. If it displays LOW AMPL a spectrum measurement cannot be done as the waveform amplitude is too low. If it displays WRONG TB the time base setting does not enable the test tool to display an FFT result. It is either too slow, which can result in aliasing, or too fast, which results in less than one signal period on the screen. 6 Perform a spectrum analysis on trace A, or trace B. 7 Set the vertical amplitude scale to linear or logarithmic. The horizontal frequency scale is always logarithmic. 8 Turn the spectrum function off/on (toggle function). Figure 11. Spectrum measurement 22

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
Fluke 192B - 196B/C - 199B/C
Users Manual
22
3
Jump to
Waveform:
and select
Mathematics...
to open the
Mathematics
menu.
4
Select
Function: Spectrum
.
5
Select
Window: Auto
(automatic
windowing)
, Hanning
,
Hamming
,
or
None
(no windowing).
You will see a screen that looks like Figure 11.
Observe that the top right of the screen displays
SPECTRUM.
If it displays LOW AMPL a spectrum measurement cannot
be done as the waveform amplitude is too low.
If it displays WRONG TB the time base setting does not
enable the test tool to display an FFT result. It is either too
slow, which can result in aliasing, or too fast, which results
in less than one signal period on the screen.
6
Perform a spectrum analysis on
trace A, or trace B.
7
Set the vertical amplitude scale to
linear or logarithmic. The horizontal
frequency scale is always
logarithmic.
8
Turn
the spectrum function off/on
(toggle function).
Figure 11. Spectrum measurement