RF High Stopband Rejection Small Size Telecom High Pass Filters

Hāʻawi ia i nā hōʻailona me nā alapine i ʻoi aku ma mua o kekahi paepae e hala, akā hōʻole i nā hōʻailona me nā alapine i emi iho ma mua o kēlā paepae. ʻO ka kānana passive high-pass he kānana i haku ʻia me nā ʻāpana passive (R, L a me C), me ka hoʻohana ʻana i ke kumumanaʻo e hoʻololi ka reactance o nā capacitors a me nā inductors me ka hoʻololi o ke alapine. ʻO nā mea maikaʻi o ka kānana kiʻekiʻe: he maʻalahi ke kaapuni, ʻaʻole koi i ka mana DC, hilinaʻi kiʻekiʻe; Hiki iā ia ke hoʻopau pono i ka hōʻailona alapine haʻahaʻa a e hele i ka hōʻailona alapine kiʻekiʻe. ʻO ka hemahema o ka kānana kiʻekiʻe-pass ʻo ia ka nui o ka attenuation rate, hiki ke hoʻopili i ka pololei o ka hōʻailona; ʻO ka hōʻailona i loko o ka passband ka nalowale o ka ikehu, ʻike ʻia ka hopena o ka ukana, a maʻalahi ka hoʻohana ʻana i nā inductors i mea e hoʻoulu ai i ka electromagnetic induction, a ʻoi aku ka nui o ka nui a me ke kaumaha o ka kānana i ka nui o ka inductance L, ʻaʻole ia i pili i loko. ka domain frequency haʻahaʻa.