8-71
Performance Tests
8648A Test Record
Table 8-17. Pager Encoder Timebase Accuracy Performance Test Option 1EP
Frequency
(MHz)
Limits (kHz)
Uncertainty
(±Hz)Lower Measured Upper
1600 1599.992 1600.008 0.0011
Table 8-18. FSK Deviation Accuracy Performance Test Option 1EP
Frequency
(MHz)
FSK Mode
Rate/Level
Limits (kHz)
Uncertainty
(±Hz)Lower Measured Upper
155 1200/2 −0.060 +0.060 10
6400/4 −0.060 +0.060 10
280 1200/2 −0.060 +0.060 10
6400/4 −0.060 +0.060 10
325 1200/2 −0.060 +0.060 10
6400/4 −0.060 +0.060 10
930 1200/2 −0.060 +0.060 10
6400/4 −0.060 +0.060 10
Table 8-19. Internal Timebase: Aging Rate Performance Test Option 1E5
Limits (kHz)
Uncertainty
(±Hz)Lower Measured Upper
5 x 10
−10
/day ±±5.6 x 10
−11