Command Reference Manual
TSAT 3000 Command Line Interpreter
January 2013
Page 34 of 41
sys rf tx level cal <value>
Adjusts the DAC Word until the new level is reached and returns the obtaind TX
level and DAC Word – Using default calibration values. I.e. Detector = 25 dB/V.
The actual TX level (measured by Signal Analyser) will indicate the difference
between default detector values and actual detector values on this unit.
To calibrate an unit:
1) Apply “sys rf tx cal -5” and “sys rf tx cal -25” at 950 MHz.
2) Apply “sys rf tx cal -5” and “sys rf tx cal -25” at 1450 MHz
3) Measure all 4 TX levels on SA, add cable loss, and include the
measured values in “hw.conf”.
To calibrate for a specific frequency:
1) Apply “sys rf tx cal -5” and “sys rf tx cal -25” at specific frequency.
2) Measure both TX levels on SA, add cable loss, and include the
measured values in “hw.conf”. Set 1450-calibration values equal the
950-calibration values.
Release:
R4.4.1 =>
Parameter:
<value>
New TX level in dBm.
sys rf tx calibrate [<950-5> <950-25> [<1450-5> <1450-25>]]
Apply new TX level calibration values (as measured in command above), or just
display the current TX level calibration values if no argument is given.
If only two parameters are given, the 1450-calibration will be set equal the 950-
calibration, and TX level control for this unit will only work correctly for one
frequency, but more correctly for this specific frequency.
Release:
R4.4.1 =>
Parameter:
<950-5>
950 MHz, -5 dBm measured at SA + cable loss.
<950-25>
950 MHz, -25 dBm measured at SA + cable loss.
<1450-5>
1450 MHz, -5 dBm measured at SA + cable loss.
<1450-25>
1450 MHz, -25 dBm measured at SA + cable loss.
