Filter
Top Products
I
-
I
-
Making Measurements Using Spectrum Analyzer Mode
Third Order Intermodulation Measurement
(TOI)
iF
48.8
dBmV
#AT
40
dB
I
RF
PEAK
LOG
TO1
72.
1
dB
V
10
dB/
WA
SE
SC
FS
COAR
I
CENTER
300.500
MHZ
SPAN
5.000
MHZ
XRES
EW
3.0
kHz
VBW
3
kHZ
SWP
1.67
set
N
dB
PTS
ON
OFF
%
AM
ON
OFF
TO1
ON
OFF
Power
Menu
FFT
Figure 5-34. Third-Order Intermodulation Measurement
Example: Use the
TO1
function to make a measurement.
1. Press
[PRESET).
Connect two equal amplitude signals with different
frequencies, to the spectrum analyzer’s INPUT 75
Q.
2. Press [FREQUENCY) and enter the frequency of one of your input signals to
place the signal at the spectrum-analyzer center frequency.
3. Press
(SPANI.
Change the span until only the two signals and their two
distortion products appear on the display.
4.
Press
I-1
and
TO1
ON OFF (ON) to activate the third order
intercept measurement function.
5. Read the measurement results in the upper left corner of the screen.
6. Press
TO1
ON OFF (OFF) to turn the measurement off.
5-65