HP 3314A - Page 43

Performance Tesls
3314
L~l
Ire) rr:
III L LI
~ L ~ ~ ~ ~
LLLLLL
~
It L L LI
~ ~ ~ L ~ v
LLLLLL
[ t, ~ ~ ~ I[ ~ ~ ~ ")1 ~ ~ ~
@l L L L e @) L @) ~~L
Model 3314A
UNIVERSAL
COUNTER
11------1[ll~A C~B @II
I
50 OHM
FEEDTHRU
TERMINA TION
4·4. INTERNAL TRIGGER ACCURACY
'\OUT //
'---._---------------
Figure 4·2. Time Axis and Variable Symmetry
Procedures:
This test measures the accuracy of the 3314A Internal
Trigger Period.
Specification:
± 0.01 070 of setting +50ppm/year
Equipment Required:
Universal Counter
4-4
A Preset the 3314A.
B, Set the Counter as follows:
Function - -. .. . ..... Per Avg A
Resolution , " ., .. , , '. , , ." , , ,. IMHz
Attenuation , .... "' ,., ".,,,.,. xl
Coupling . , , , .. , .. , .. , . , , , .. , , . , , AC
Channel Input , , , , , , , , , , , , , , , , . , Com
C. Connect the 3314A to the Counter as shown in
Figure 4.:;3.
D, Record the measured value of the 3314A tngger
period in the test record. The reading should be lOms
±O,OOlms.
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