Manual SPECTRAN V5
© Aaronia AG 2016 | www.aaronia.com
3
TABLE OF CONTENTS
4.2.8.
Attenuator
......................................................................................................................22
4.2.9.
Preamplifier
...................................................................................................................22
4.2.10.
Demod (demodulator / audio analysis)
..................................................................23
4.2.10.1.
Demod BW
.....................................................................................................................24
4.2.11.1.
Marker (Cursor)
............................................................................................................24
4.2.12.
Load & Save
..................................................................................................................25
4.2.13.
Limits
..............................................................................................................................25
4.2.14.
JTFA (
Optimize the symbol processing
)
................................................................25
4.2.15.
Display Mode
.................................................................................................................26
4.2.16.
DTS Display Mode
........................................................................................................27
4.2.17.
DTS Histogram
View
...................................................................................................27
4.2.18.
DTS Waterfall Display
.................................................................................................28
4.2.19.
SOFT Mode
....................................................................................................................29
5.
CORRECT MEASUREMENT
.............................................................................. 30
5.1.
Noise floor
.............................................................................................................................30
5.2.
Harmonics
.............................................................................................................................31
5.3.
Sensitivity
..............................................................................................................................31
5.4.
Measurement inaccuracy
..................................................................................................32
5.5.
Measurements of satellite TV
...........................................................................................33
5.6.
Measurements with a direct cable connection
............................................................33
6.
SPECTRUM ANALYSIS BASICS
........................................................................ 34
6.1.
What is a frequency range?
..............................................................................................34
6.2.
Differences between exposure limits
.............................................................................34
6.3.
Applications of spectrum analysis
..................................................................................34
7.
PHYSICAL UNITS
............................................................................................. 36
7.1.
Measuring transmission power (dBm; dBμV)
..............................................................36
7.2.
Field strength [V/m; A/m] and power density [W/m²]
..................................................36
7.3.
Calculating the wavelength in [m]
...................................................................................37
7.4.
Calculating the „close-up range“ in [m]
........................................................................37
7.5.
Calculating power density [W/m²] from power [dBm]
................................................38
