Anritsu ME7840A Instrukcja Użytkownika Pobierz pdf (Strona 47)

Step 3. Double-click on “A_Power Level.txt.” . The program starts

with a linear power calibration (below).

Step 4. Before hitting the “Next” button, connect the power meter to

at the point where power enters the device-under-test (AUT),

which becomes the power reference plane as shown in the

prompt.

The use of cables and/or adapters does not effect the final

measurement result, if they are in place for the calibration pro

cess. The vector error corrections established during the cali

bration process eliminates cable and/or adapter effects as long

as the ports used are stable and exhibit good repeatability,

which is the case if good quality components are used.

Many calibration kits include adapters that are designed to

have equal phase length. These parts are called phase equal

adapters (PEA). ANRITSU designs in-series adapters (e.g.,

SMA Connector M-M, M-F, F-F) to be phase insertable when

technically possible.

OPERATIONS, CALIBRATION POWER LEVEL

ME7840A OMM 4-5

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Anritsu ME7840A Instrukcja Użytkownika Strona 47