4.2 ELECTRICAL SPECIFICATIONS

Items

Requirement

Oscillation Frequency Fosc（MHz）

13.01-50.00

Frequency Accuracy （%）

±

0.5

Resonant Impedance Ro（Ω）max.

30

Temperature Coefficient of Oscillation

Frequency （%） max.

±

0.3（Oscillation Frequency drift，

-25℃～+85℃）

Oscillation Frequency

Aging Rate (%) max *

±

0.3 (From initial value)

* Components shall be left in a chamber of +85±2℃ for 1000 hours, then measured after

leaving in natural condition for 1 hours.

5．TEST

5.1 Test Conditions

Parts shall be tested under the condition ( Temp.：20±15℃,Humidity ：65±20%

R.H.) unless the standard condition(Temp.：25±2℃,Humidity ：65±5% R.H.)

is regulated to measure.

5.2 Test Circuit

1M¦

IC：1/6TC74HCU04×2

X：CERAMIC RESONATOR

C1,C2:CAPACITOR

6 PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS

No.

Item

Condition of Test

Performance

Requirement

6.1

Humidity

Subject the resonator at 40±2℃ and 90%-95%

R.H. for 500h, resonator shall be measured after

being placed in natural conditions for 1h.

It shall fulfill Table

1.

6.2

High

Temperature

Exposure

Subject the resonator to 85±2℃ for 500h,

resonator shall be measured after being placed in

natural conditions for 1h.

It shall fulfill Table

1.

6.3

Low

Temperature

Exposure

Subject the resonator to -25±2℃ for 500h,

resonator shall be measured after being placed in

natural conditions for 1h.

It shall fulfill Table

1.

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