張(zhang)弛(chi)振(zhen)蕩(dang)器(qi)是(shi)一(yi)個(ge)重(zhong)複(fu)電(dian)路(lu)，它(ta)實(shi)現(xian)從(cong)電(dian)容(rong)器(qi)充(chong)電(dian)到(dao)閾(yu)值(zhi)事(shi)件(jian)的(de)重(zhong)複(fu)行(xing)為(wei)。該(gai)事(shi)件(jian)使(shi)電(dian)容(rong)器(qi)放(fang)電(dian)，其(qi)再(zai)充(chong)電(dian)時(shi)間(jian)驗(yan)證(zheng)了(le)事(shi)件(jian)的(de)重(zhong)複(fu)時(shi)間(jian)。在(zai)簡(jian)單(dan)的(de)閃(shan)光(guang)器(qi)電(dian)路(lu)中(zhong)
，電(dian)池(chi)通(tong)過(guo)電(dian)阻(zu)器(qi)給(gei)電(dian)容(rong)器(qi)充(chong)電(dian)，電(dian)阻(zu)器(qi)和(he)電(dian)容(rong)器(qi)在(zai)恒(heng)定(ding)時(shi)間(jian)的(de)值(zhi)決(jue)定(ding)了(le)閃(shan)光(guang)率(lv)。可(ke)以(yi)通(tong)過(guo)降(jiang)低(di)電(dian)阻(zu)值(zhi)來(lai)最(zui)大(da)化(hua)閃(shan)爍(shuo)率(lv)。