(1) N-gun rawng ai frequency signal ni hpe jaw ya ai
Crystal oscillator ni kaw na pru wa ai frequency signal ni gaw grai ngang grin ai rai nna, electronic jak ni a matu ahkying signal hku nna jai lang mai ai majaw, bungli galaw ai shaloi, tau hkrau masat da ai aten nsen hte maren bungli galaw lu na hpe kam mai nga ai. Computer, phone, matut mahkai jak ni zawn re ai aten hpe hkrak tup chye ra ai electronic jak law law a matu ndai lam gaw ahkyak ai.
(2) Device ni hpe hkrak hkrak galaw lu hkra galaw na
Microprocessor hte digital signal galaw ai zawn re ai electronic jak law law hta, crystal oscillator ni jaw ya ai ngang grin ai frequency signal gaw jak ni a shingra tara hku bungli galaw lu na matu npawt nhpang rai nga ai. Ndai signal n lawm yang, jak ni n kaja ai hku n mai galaw ai (sh) grai sawng ai manghkang ni byin chye ai.
(3) Device a bungli galaw ai lam hpe grau kaja hkra galaw ai
Crystal oscillator ni a ngang grin ai lam grai tsaw ai majaw, jak ni a bungli hpe grau kaja hkra galaw ya lu ai. Ga shadawn, matut mahkai jak ni hta, ngang grin ai frequency signal gaw, shiga hpe hkrak hkrak shalai ya lu ai; computer ni hta, ngang grin ai aten ladaw signal gaw, processor a computer lawan ai lam hpe jat ya lu ai, etc.

