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682XXB/683XXB MM A-13
TEST MODEL
RECORD 68237B/68337B
3-14 Pulse Modulation Tests: Rise Time, Fall Time, Overshoot, and Level
Rise Time, Fall Time, and Overshoot
Lower Limit Measured Value Upper Limit
Set F1 to 5.0 GHz
Measure and record the following:
Rise Time ..............................
Pulse Width .............................
PRI (period) .............................
Overshoot ..............................
N/A
–10 ns
–10 ns
N/A
_______ ns
_______ s
_______ ms
_______ %
10 ns
+10 ns
+10 ns
10%
Pulse Level Accuracy (5 GHz, Pulse Width = 0.5 ms)
Set F1 to 5.0 GHz
Set pulse width W1 to 0.5 s
Record the displayed output level L1 (step 5.b)
....................
Record the displayed output level L1 (step 5.d)
....................
_______ dBm
_______ dBm
Calculate and record the pulse level error
..............
–1.0 dB _______ dB +1.0 dB
Pulse Level Accuracy (5 GHz, Pulse Width = 5.0 ms)
Set F1 to 5.0 GHz
Set pulse width W1 to 5.0 s
Record the displayed output level L1 (step 5.b)
....................
Record the displayed output level L1 (step 5.d)
....................
_______ dBm
_______ dBm
Calculate and record the pulse level error
..............
–0.5 dB _______ dB +0.5 dB
3-13 Frequency Modulation Tests (Continued)
FM Imput Sensitivity Procedure
(Locked Low-Noise FM Mode)
Lower Limit Measured Value Upper Limit
Set F1 to 5.0 GHz
Record the FM deviation frequency displayed on the 68237B/68337B
........
_______ MHz
Calculate and record the FM accuracy
...............
93.7% _________ % 106.3%