解決方案
解決方案
電容式觸控螢幕測試注意事項 僅使用一個TP進行測試時,請在測試前在TP下方放置絕緣材料(例如泡棉等),並且在測試過程中移動TP或拔下FPC後,需要重新插拔USB電纜,以確保正常接觸。
電容式觸控螢幕測試注意事項
電容式觸控螢幕測試注意事項
TYPESMD7.0x5.0
Frequency range6MHz~125MHz
Crystal cut and ModeAT/FUND & 3rd Overtone
Frequency Tolerance(at25C)±5ppm~±30ppm,or specify
Frequency Temperature Characteristics

±10ppm(-20℃-70℃);

+30ppm(-40℃-85℃)

Operating Temperature Range-40℃~+125℃
Storage Time.Range-55℃~+125℃
Equivalent Series Resistance(ESR)See Table
Load Capacitance(CL)6pf~∞
Shunt Capacitance(Co)<5pf
Insulation Resistance>500MΩ At DC 200V
Drive Level10μw ~300μw
Aging(Year)±3ppm(Year)

FREQUENCIES VS EQUIVALENT SERIES RESISTANCE

Frequency(MHz)ModeESR(Ω)SMD7.0x5.0
6.000≤f<40.000AT/FUND≤ 120
40.000≤f<80.0003rd Overtone≤80
8.000≤f<40.000AT/FUND
40.000 ≤f<80.0003rd Overtone
In addition to the parameters listed in the table, it can be designed according to customer needs


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