682XXB/683XXB MM A-65
TEST MODEL
RECORD 68253B/68353B
3-12 Amplitude Modulation Test
AM Imput Sensitivity Procedure
Lower Limit Measured Value Upper Limit
Set F1 to 5.0 GHz
Measure and record the Modulation Analyzer AM PK(+) reading
...........
Measure and record the Modulation Analyzer AM PK(–) reading
...........
__________
__________
Calculate and record the actual AM input sensitivity
........
45% _________ % 55%
3-13 Frequency Modulation Tests
FM Imput Sensitivity Procedure
(Unlocked Wide FM Mode)
Lower Limit Measured Value Upper Limit
Set F1 to 5.0 GHz
Measure and record the low carrier frequency . . . ..................
Measure and record the high carrier frequency . . ..................
_______ MHz
_______ MHz
Calculate and record the actual peak-to-peak frequency deviation
.
190 MHz _______ MHz 210 MHz
FM Imput Sensitivity Procedure
(Unlocked Narrow FM Mode)
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%
FM Imput Sensitivity Procedure
(Locked FM Mode)
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%