O ka 'ike loea houUila no

Kou mua mīkini hopu ka mea hewa alima

Mau makamaka, a me ka mea kupaianaha ao o ka Radio, e hiki hoʻomaka me ka mea kaapuni Ioi, a e haawi aku i ka maikai lima-ma ka hoao ana i loko o ka hoomaka ana nā pūnaewele enthusiast. No ka me ka, e hiki ke ohi i ke aniani 'ia paha, kona? Iecaianoaaiiie ua mua lilo i ka maikai i waha i loko o aeoaeuneiai Radio. He mea oluolu ia e, a ua hana ia e hiki ma ka pono kekahi mau hola. Kēia pono o ka palena iki, a affordable i na lākou o nā māhele, a, o ka papa, i ka makemake e hana. Ka mua prototype mīkini hopu ka mea hewa alima meaʻokoʻa i loko o ia mea, i hiki i ka e loli i e ole pono i ka manao a me ka hana no ka mea, i paiia kaapuni papa, ia mea oluolu, e kukulu no hoi iluna, no ka mea, i nā mokuna a pau pono ma luna o ka papaʻaina.

E hoomakaukau pono no ka hana ana o māhele o ka mea kani. Ka mīkini hopu ka mea hewa ninoieo o ka mea uholo uila pa alima wahi diode (D9, D2), a mea he mīkini hopu ka mea hewa. E kau no capacitors i kekahi mau tausani picofarads, ferrite koʻokoʻo (anawaena 7-8 mm) momoku ahi 400HH, 600HH a me ka lōʻihi o ka 140 mm o. No hoi ia mea e pono e hoomakaukau i ka uea hoailona NDV 1.2 (0,15-18 mm) a me kekahi kiʻekiʻe-resistivity Phones'ōwili hao ia'ku ole e emi malalo o 1500 ohms. A pau kēia mau Radio hiki ke kuai ma ka hana kūikawā hale kūʻai.

Ano, ke kālele ana ma luna o ka hana o coils no ferrite kookoo. No keia wahi iho la kekahi mau papa no e wehe ai i na pepa ma luna o ka ferrite kāna mau 'ōlelo a me ka glue ia. E kiʻi i ka mānoanoa maoli, i hiki ke eaaei laweʻia, mai kona kumu. Ano, ua makani i huli ekolu haneri mālama '-hoomakaukau uea, a hana mākou taps kela elima' ana e haʻalele. Ke kumu hewa o ka poe i muaʻo ia i kona aniani huapalapala mea i kela kanalima 'ana e haʻalele o ka ueaʻaki, koli iho la i a me ka obluzhivaetsya. E haʻalele i kēia hana no ka hope, ma ke kaʻina hana o kaʻanuʻu huakai hele pono lawa i ka hana, a hoomau i ka makani i ka uea. Ke kūpono'ōwili hao mea pono e glue pepa glue, a e ia maloo.

Ano, ke ohi i na 'ikamu e like me ka mea noaia. Full retraction o ka'ōwili hao, a me ka anode o ka diode ua pili i ka loaa kukuna. Kekahi lōʻihi retraction paʻa i ka lepo, a me kekahi o ka headphone nā mea hōʻike aku. I ka lua o ka maʻi o ka headphone ua pili i ka cathode o ka diode. A pau au i ohi i kou Radio mua me kona mau lima. Inā i'ākoakoa pololei 'ia o nā mea a pau i ka pa alima i puhi ai, e hoomaka i ka hana koke. Ke kau mea ua ua hoʻololiʻia ma ka hoololi ana i ka helu o nā 'ana e haʻalele i ka'ōwili hao, a koho i ka mea pihana i ua pili ia laua i na nā pihi lohe. Me keia, ua kū i ka maikaʻi kani.

Oia ka pa alima mea pono catches a puni Radio wahi ke hoʻohana ma MW, LW. I kekahiʻanuʻu e e ka-i? Iecaianoaaiiuo o hoʻokahi, kaulua, a me ka cascade o ka pa alima e hiki ke lawe i ka loa nui helu o nā wahi. A i loko o ka lōʻihi māpuna ke paka i kaʻimiʻana pa alima i akomi loaa i ke koa a me ka hale kūʻai mea. Ka oi eiiieaena ke ano o ka mea, no ka nui kūpono ia waiho. Akā, no ka pono AUOO o ka pa alima mea pono ia i loko o kou hale Keʻena i ka maikai ho'āʻo pono, kiʻekiʻe alapine (frequency) mīkini hana wāwahie, he oscilloscope, etc.

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