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A-178 682XXB/683XXB MM
3-11 Power Level Accuracy and Flatness Tests
(Model 68275B/68375B without Option 2C Step Attenuator)
Power Level Accuracy Test Procedure
Set F1 to 5.0 GHz Set F1 to 25.0 GHz Set F1 to 45.0 GHz
Set L1 to: Measured Power * Set L1 to: Measured Power * Set L1 to: Measured Power *
+10 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
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
+ 2.5 dBm
+ 1.5 dBm
+ 0.5 dBm
– 0.5 dBm
– 1.5 dBm
– 2.5 dBm
– 3.5 dBm
– 4.5 dBm
– 5.5 dBm
– 6.5 dBm
– 7.5 dBm
– 8.5 dBm
– 9.5 dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
+ 2.5 dBm
+ 1.5 dBm
+ 0.5 dBm
– 0.5 dBm
– 1.5 dBm
– 2.5 dBm
– 3.5 dBm
– 4.5 dBm
– 5.5 dBm
– 6.5 dBm
– 7.5 dBm
– 8.5 dBm
– 9.5 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 1.5 dB.
Power Level Flatness Test Procedure (Step Sweep)
Set L1 to: Max Power Min Power Variation **
+ 2.5 dBm _________dBm __________dBm _________dB
** Maximum variation is 1.6 dB (0.5 to 40 GHz); 2.2 dB (40 to 50 GHz).
Power Level Flatness Test Procedure (Analog Sweep) (Model 68375B only)
Set L1 to: Max Power Min Power Variation ***
+ 2.5 dBm _________dBm __________dBm _________dB
*** Maximum variation is 2.0 dB (0.5 to 20 GHz); 4.0 dB (20 to 40 GHz); 5.0 dB (40 to 50 GHz)(typical, not a
specification).
TEST MODEL
RECORD 68275B/68375B