Section 4 Unit Operation
4-22
(2) Menu F2 : Sets the polarity (positive or negative) during burst measurement.
Selecting menu F2 when positive polarity is set, changes the polarity to negative and displays Pol [ ] on the
screen. Conversely, selecting menu F2 when negative polarity is set changes the polarity to positive.
(3) Menu F3 : Selects Wide or Narrow depending on the burst width of the burst wave to be measured.
Table 4-11 Burst Width Setting and Relationship between Measurable Burst Width and Input Tolerance
Type of Crystal
Oscillator
Standard Part
Option 01
Option 02
Option 03
Warm-Up Time
At least 30 min.
At least 1 hr.
At least 1 hr.
-----------
Typical Value
5 × 10
–8
3 × 10
–8
2 × 10
–8
-----------
Warm-Up Time
At least 24 hrs.
At least 24 hrs.
At least 24 hrs.
At least 48 hrs.
Typical Value
2 × 10
–8
/day
5 × 10
–9
/day
2 × 10
–9
/day
5 × 10
–10
/day
Startup Characteristics Aging Rate
Note :
Narrow is only effective when the manual frequency value is 1 GHz or higher. When it is less than 1 GHz,
measurement will be performed in Wide mode regardless of the burst width setting.
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