Making Measurements
LT51 User Manual
58
Double Ended Loss
This double-ended Measurement displays the loss and frequency of signals
transmitted at 0 dBm from a LT51 at the far end of the pair connected to the RTX
terminals:
press the key and then [f2] to select
Remote Loss.
The following settings on the local LT51 are relevant to Doubled Ended Loss
measurements and should be set according to requirements:
select the frequency span / centre frequency.
select the input impedance (always terminated).
adjust the input level range or use the auto-range feature.
set
Sweeping
configuration for swept or single tone measurements.
set the TX frequency on the local LT51. The remote LT51 will transmit this
frequency at 0dBm, back to the local LT51.
The following settings are fixed for the test and cannot be altered:
Transmitter interface is set to
TX-RX
.
Use the marker to determine the loss at a particular frequency (see Marker
functions).
NOTE:
If Sweeping is set and BW is set to “
CENTRED
”, the remote LT51 will
sweep over the smallest baseband span containing the currently set
TX
frequency
AND not over the currently displayed start /stop frequency.
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