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[Phase Error PEAK]
[Test Limits]
<On> or <Off>
[High Limit]
[Low Limit]
[EVM RMS]
[Test Limits]
<On> or <Off>
[High Limit]
[EVM Peak]
[Test Limits]
<On> or <Off>
[High Limit]
[IQ Origin Offset]
[Test Limits]
<On> or <Off>
[High Limit]
[C/I]
[Test Limits]
<On> or <Off>
[Low Limit]
3.
Enable beep
LIMIT
[Beep]
<On> or <Off>
MOD TEST LIMITS
FREQUENCY ERROR: Sets the frequency error.
TEST LIMITS: Enables or disables the test limit(s). Toggle the Test Limits soft key between
On and Off.
HIGH LIMIT: Sets the upper limit. Use the numeric keys to input value and press the unit soft
key or the ENTER hard key to complete the input.
LOW LIMIT: Sets the lower limit. Use the numeric keys to input value and press the unit soft
key or the ENTER hard key to complete the input.
PHASE ERROR RMS: Sets the RMS of the phase error (in degrees) between the measured
phase and the ideal phase of a TCH timeslot. The GSM standard specifies the RMS phase error
not to exceed 5 degrees during the useful part of the GSM burst.
JD7105B Base Station Analyzer
Press the Phase Error PEAK soft key.
Press the Test Limits soft key. Toggle between On and
Off.
Press the EVM RMS soft key.
Press the Test Limits soft key. Toggle between On and
Off.
Press the EVM Peak soft key.
Press the Test Limits soft key. Toggle between On and
Off.
Press the IQ Origin Offset soft key.
Press the Test Limits soft key. Toggle between On and
Off.
Press the C/I soft key.
Press the Test Limits soft key. Toggle between On and
Off.
Press the LIMIT hot key. It is the number 7 key in the
numeric keypad.
Press the Beep soft key to toggle between On and Off
and select one. This will make audible alarm if the
measurement beyond the limit.
73
GSM/GPRS/EDGE SIGNAL ANALYZER
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