681XXC OM 5-41
OPERATION POWER LEVEL ACCURACY
VERIFICATION AND FLATNESS TESTS

Model 68177C Serial No. ____________________ Date ___________

Model 68177C
(without Option 2C Step Attenuator)
Power Level Accuracy *
(CW Frequency = 5.0 GHz) Power Level Accuracy *
(CW Frequency = 25.0 GHz) Power Level Accuracy *
(CW Frequency = 45.0 GHz)
Set Power Measured Power Set Power Measured Power Set Power Measured Power
+10dBm
+9 dBm
+8 dBm
+7 dBm
+6 dBm
+5 dBm
+4 dBm
+3 dBm
+2 dBm
+1 dBm
+0 dBm
–1dBm
–2dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
+2.5 dBm
+1.5 dBm
+0.5 dBm
–0.5dBm
–1.5dBm
–2.5dBm
–3.5dBm
–4.5dBm
–5.5dBm
–6.5dBm
–7.5dBm
–8.5dBm
–9.5dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
_________dBm
+2.5 dBm
+1.5 dBm
+0.5 dBm
–0.5dBm
–1.5dBm
–2.5dBm
–3.5dBm
–4.5dBm
–5.5dBm
–6.5dBm
–7.5dBm
–8.5dBm
–9.5dBm
_________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 (Step Sweep)
Set Power Max Power Min Power Variation**
+2.5 dBm _________dBm __________dBm _________dB
**Maximum variation is 4.0 dB (0.01 to 0.05 GHz); 1.6 dB (0.05 to 40 GHz); 2.2 dB (40 to 50 GHz).
Power Level Flatness (Analog Sweep)
Set Power Max Power Min Power Variation***
+2.5 dBm _________dBm __________dBm _________dB
***Maximum variation is 4.0 dB (0.01 to 0.05 GHz); 2.0 dB (0.05 to 20 GHz); 4.0 dB (20 to 40 GHz); 5.0 dB (40 to
50GHz) (typical, not a specification).
Table5-3. Power Level Accuracy and Flatness TestRecord (23 of 27)