Atec Agilent-53132A-53131A-53181A - Manual (Page 10)

10
10 100 1000 10000 1E + 05 1E + 06 1E + 07 1E + 08 1E + 09 1E + 10
Input frequency (Hz)
1E + 02
1E + 00
1E – 02
1E – 04
1E – 06
1E – 08
1E – 10
E + 02
1E + 00
1E – 02
1E – 04
1E – 06
1E – 08
1E – 10
Graph 4:
Agilent 53132A–Worst case
RMS resolution
7
(Automatic or external arming)
Graph 5:
Agilent 53132A–Worst case
RMS resolution
7
(Time or digits arming)
Auto armed
1 ms
10 ms 100 ms
1 s
10 s
Frequency Error (Hz)
Frequency error (Hz)
1 V/ms 10 mV/µs 100 mV/µs 1 V/µs 10 mV/ns 100 mV/ns 1 V/ns 10 mV/ps
Input signal slew rate at trigger point
100 µs
10 µs
1 µs
100 ns
10 ns
1 ns
100 ps
10 ps
Graph 6:
Trigger level timing error
(Level setting error and
input hysteresis)
1 ms
10 ms
100 ms
1 s
10 s
200 to 225 MHz rep. rate
100 to 200 MHz rep. rate
dc to 100 MHz rep. rate
Pulse and T.I. at 5 V trigger point
Pulse and T.I. at 2.5 V trigger point
Pulse and T.I. at 0 V trigger point
Gate
time
Gate
time
10 100 1000 10000 1E + 05 1E + 06 1E + 07 1E + 08 1E + 09 1E + 10
Input frequency (Hz)
Time or digit arming
Gate time Number of samples
4
Ч 2 Ч Trigger error
×
Frequency
or
period
Frequency error +
×
Automatic or external arming
Gate time
2 × Trigger error ×
Frequency
or
period
Frequency error +
7. Graphs 1, 2, 4 and 5 do not reflect the effects of
trigger error. To place an upper bound on the added
effect of this error term, determine the frequency
error from the appropriate graph and add a trigger
error term as follows:
Trigger error per trigger point