SJK: High-precision oscillators & filters for global tech industries.
sjk@q-crystal.com+86 755 8835 2869
FAQ
Yes, probe capacitance affects frequency. Use 10X probe.
Passive: sine wave; Active: square wave.
Sudden frequency shift due to internal defects.
Yes, typically 125°C for several hours.
32.768kHz crystal for timekeeping.
Traditional design, now being replaced by SMD types.
Usually internal pull-up; tying high is safer.
Provides complementary outputs for better noise immunity.
MEMS is better in shock and lead time, but quartz excels in phase noise and stability.
Ensures startup margin; should be 5× ESR.
Typically ±3ppm in the first year.
High frequencies may use overtone mode.
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Tel: +86 755 8835 2869
Email: sjk@q-crystal.com
Add: 12/F, Building 3C, TianAn Cloud Park Phase 1, Bantian, Longgang District, Shenzhen, 518129, China
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