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A-80 682XXB/683XXB MM
3-11 Power Level Accuracy and Flatness Tests
(Model 68255B/68355B without Option 2A Step Attenuator)
Power Level Accuracy Test Procedure
Set F1 to 1.0 GHz Set F1 to 5.0 GHz Set F1 to 22.0 GHz
Set L1 to: Measured Power * Set L1 to: Measured Power * Set L1 to: Measured Power *
+13 dBm
+12 dBm
+11 dBm
+10 dBm
+ 9 dBm
+ 8 dBm
+ 7 dBm
+ 6 dBm
+ 5 dBm
+ 4 dBm
+ 3 dBm
+ 2 dBm
+ 1 dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
+ 9 dBm
+ 8 dBm
+ 7 dBm
+ 6 dBm
+ 5 dBm
+ 4 dBm
+ 3 dBm
+ 2 dBm
+ 1 dBm
+ 0 dBm
– 1 dBm
– 2 dBm
– 3 dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
+ 6 dBm
+ 5 dBm
+ 4 dBm
+ 3 dBm
+ 2 dBm
+ 1 dBm
+ 0 dBm
– 1 dBm
– 2 dBm
– 3 dBm
– 4 dBm
– 5 dBm
– 6 dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
* Specification is 1.0 dB. * Specification is 1.0 dB. * Specification is 1.0 dB.
Power Level Flatness Test Procedure (Step Sweep)
Set L1 to: Max Power Min Power Variation **
+ 6 dBm _________dBm __________dBm _________dB
** Maximum variation is 1.6 dB.
Power Level Flatness Test Procedure (Analog Sweep) (Model 68355B only)
Set L1 to: Max Power Min Power Variation ***
+ 6 dBm _________dBm __________dBm _________dB
*** Maximum variation is 2.0 dB (0.5 to 20 GHz); 4.0 dB (20 to 26.5 GHz)(typical, not a specification).
TEST MODEL
RECORD 68255B/68355B