![background image](http://html1.mh-extra.com/html/racal-instruments/2251a/2251a_operators-manual_776057018.webp)
1-9
1.5.3.6 Frequency Ratio A / B
Range, Inputs A and B:
DC to 100 MHz
LSD:
(10 X Ratio) / (F x Gate Time)
A
Resolution:
± LSD ± Trigger Error* B / Gate Time
Accuracy:
± LSD ± Trigger Error* B / Gate Time
1.5.3.7 Frequency Ratio C / B (Only available with Option 41 fitted)
Input C:
40 MHz to 1.3 GHz
Input B:
DC to 100 MHz
LSD:
(640 x Ratio) / (F x Gate Time)
C
Resolution:
± LSD ± (Trigger Error* B) / Gate Time
Accuracy:
± LSD ± (Trigger Error* B) / Gate Time
1.5.3.8 Rise / Fall Time
Range:
20 ns to 20 ms
Rise Time:
Start: + slope, 10 % trigger point
Stop : + slope, 90 % trigger point
Fall Time:
Start: - slope, 90 % trigger point
Stop : - slope, 10 % trigger point
Input Channel:
Input A
Minimum Pulse Height:
500 mV pp
Minimum Pulse Width:
20 ns at signal peaks
LSD displayed:
1 ns (100 ps using averaging mode)
Resolution:
± LSD ± 1 ns ± Start Trigger Error* ± Stop
Trigger Error*
* Refer to Notes/Definitions
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
Содержание 2251A
Страница 9: ...iv Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
Страница 27: ...1 18 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
Страница 97: ...5 14 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
Страница 99: ...6 2 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
Страница 100: ...6 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
Страница 101: ...6 4 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
Страница 102: ...6 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
Страница 103: ...6 6 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
Страница 104: ...6 7 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
Страница 105: ...6 8 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
Страница 106: ...6 9 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
Страница 107: ...6 10 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...