R3765/67G Series Network Analyzer Operation Manual
10.10 Attenuation Accuracy (OPT10)
10-68
(3) Press [MENU], {POWER}, {ATT MODE AUTO/FIX}, {FIX} and {RETURN}.
The output level and attenuation are set.
(4) Press [MENU], {POWER}, [-], [1] and [X1].
The output level is set to -1 dBm.
(5) Press [SCALE], {/DIV}, [1], [0] and [X1].
The scale is set to 10 dB/DIV.
(6) Press [AVG], {IF RBW}, [1], [0] and [X1].
The RBW is set to 10 Hz.
(7) Press [MKR].
A marker is displayed.
(8) Press [CAL] and {NORMALIZE(THRU)}.
A normalization operation is set.
(9) Press [MENU], {POWER}, {ATTENUATION PORT 1}, [2], [0], [X1] and {RETURN}.
The attenuator is set to 20 dB.
(10) Wait until the sweep is completed.
(11) Press [MRK→
→→
→], {MKR SEARCH[]} and {MAX}.
The maximum marker level is read.
(12) Press [MRK→
→→
→], {MKR SEARCH[]}, {MIN} and {RETURN}.
The minimum marker level is read.
(13) Press [MENU], {POWER}, {ATTENUATION PORT 1}, [4], [0], [X1] and {RETURN}.
The attenuator is set to 40 dB.
(14) Repeat steps (10) thru (12) to read the marker levels.
(15) Press [MENU], {POWER}, {ATTENUATION PORT 1}, [6], [0], [X1] and {RETURN}.
The attenuator is set to 60 dB.
(16) Repeat steps (10) thru (12) to read the marker levels.
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