Anritsu 682XXB - Manual (Page 304)

A-66 682XXB/683XXB MM
TEST MODEL
RECORD 68253B/68353B
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
_______
m
s
_______ ms
_______ %
10 ns
+10 ns
+10 ns
10%
Pulse Level Accuracy (5 GHz, Pulse Width = 0.5 m s)
Set F1 to 5.0 GHz
Set pulse width W1 to 0.5
m 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 m s)
Set F1 to 5.0 GHz
Set pulse width W1 to 5.0
m
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 68253B/68353B . . . . . . . . _______ MHz
Calculate and record the FM accuracy . . . . . . . . . . . . . . . 93.7% _________ % 106.3%