682XXB/683XXB MM A-181
3-14 Pulse Modulation Tests: Rise Time, Fall Time, Overshoot, and Level
Rise Time, Fall Time, and Overshoot Lower Limit Measured Value Upper Limit
SetF1 to 5.0 GHz
Measureand record the following:
RiseTime ..............................
PulseWidth .............................
PRI(period) .............................
Overshoot ..............................
N/A
–10ns
–10ns
N/A
_______ns
_______ s
_______ms
_______%
10ns
+10ns
+10ns
10%
Pulse Level Accuracy (1 GHz, Pulse Width = 1.0 ms)
SetF1 to 1.0 GHz
Setpulse width W1 to 1.0 s
Recordthe displayed output level L1 (step 5.b) ....................
Recordthe displayed output level L1 (step 5.d) ....................
_______dBm
_______dBm
Calculateand record the pulse level error .............. –1.0 dB _______dB +1.0dB
Pulse Level Accuracy (1 GHz, Pulse Width = 5.0 ms)
SetF1 to 1.0 GHz
Setpulse width W1 to 5.0 s
Recordthe displayed output level L1 (step 5.b) ....................
Recordthe displayed output level L1 (step 5.d) ....................
_______dBm
_______dBm
Calculateand record the pulse level error .............. –0.5 dB _______dB +0.5dB
TEST MODEL
RECORD 68275B/68375B
3-13 Frequency Modulation Tests (Continued)
FM Imput Sensitivity Procedure
(Locked Low-Noise FM Mode) Lower Limit Measured Value Upper Limit
SetF1 to 5.0 GHz
Recordthe FM deviation frequency displayed on the 68275B/68375B ........ _______MHz
Calculateand record the FM accuracy ............... 93.7% _________% 106.3%