[ Romaji ]
(Denjihamare na sekai de honrou sareru jyuudenshi)
Taiyou to hyakuman no denjiha ga Tobikau Toukyou de
Subete no kinzoku no denshi ga Amata no denjiha o tsune ni abi
Denjiyuudou saserarete Nemurenu yoru o tsugoshiteru kara
Sonna yoru wa machi ni hibiku Rajio no nami o sagase
(Rajiokyoku)
Anaunsaa ga seitai o Maibyou 1,000kai shindousasu ompa ga
Maiku no shindouban yurashi Denjiyuudou shita 1,000Hz no
Kouryuudenryuu na onsei o 594kHz hansouha ni mazete
Denjiha o shimputsuhenchou(AmplitudeModulation=AM) Sore ga AM no NHK rajio
Teishuuhan na onseiha o Koushuuha de tampachou na hansouha ni maze
Kouenerugii de antei Hikouri kasegi
Tampachou yue ni antena kogataka deki Issekinitjou na henchou
(Rajio no LC kyoushinkairo)
±tameru kondensa Mata hiraku antena ga abiru rajioha
Kakukyoku goto ni
Denjiyuudou(Maiku no shindouban)→jiba・demba rizumu(Denjiha)→kouryuudenryuu(Jushinkairo)
Dore mo mijaku de kikoezu Dore ka hitotsu to kyoushin sase medatasetai
LC kyoushinkairo wa Koiru(L) no jiba to Kondensa(C) no demba no
Enerugii koukan rizumu o Shuuhasshu rizumu to kyoushin saseru chuuningaimu
594kHz no rizumu denryuu Kairo nai de medatasetai NHK senkyoku
(Kyoushinshuuhasshu no keisan)
Buranko no himo no nagasa ni atta Kogikata(Shuuhasshu) sagasu no ga chuuningaimu
Taimingu awase Kairoteikou(Z) saisho ka→denryuu(I) saidai ka
Denryuu(I) no isou yori mo π/2dake hayai koiru den'atsu(ωLI)
Maniwa de π/2dake okureru kondensa den'atsu(1/ωCI) no ambai
Koiru(ωLI), kondensa(1/ωCI)
Den'atsu giisou de uchikeshi(ωLI-1/ωCI=0) Denryuu(I) saidai
Kairo no zenteikou inpiidansu(Z=√{R2+(ωL-1/ωC)2})
Saisho ka suru jouken de(f=ω/2π=1/2π√LC←ωLI-1/ωCI=0)
Shuuhasshu 594 o neratte(f(594kHz)=ω/2π=1/2π√LC) Demkyokuban kankaku o kae
Rajioha to kairo Kogite to buranko Taimingu soroereba kyoushin
Oomu no housoku kouen(V0=RI0) de
Buranko(Zenteikou Z=√{R2+(ωL-1/ωC)2}=V0/I0=R)
Koiru(ωLI) to kondensa(1/ωCI) de Den'atsu(V) no shiisoo(ωLI-1/ωCI=0)
Dakedo rajio no oto wa mada kikopenai
Daioodo wa ±noudo kaeta hantoudai no 2mai no ita
Den'itsa de denshi(-) ga tsugime de Seikou(+) to kutsuite suimon(Kuubousou) deki
Soko ni denchi(Den'itsa) tsunagi Hikiatsuu denshi(-), ryoutan ni nigeru seikou(+)
Kouryuudenryuu no ichihoukou no nagare dake Sekitomeru kuubousou
Denchi(Den'itsa) no ±hanten sekitome Kaijou, gyakumuki denryuu nagashi
Nihoukou na kouryuu no katagou dake Chokuryuu ni kempa seiryuu
Kouryuu de onseiha sousai shiteta giisoubu kie Yakudou suru chokuryuu
Sore demo mada Oto wa hansouha(f=ω/2π) no noizu ni makare
(Kondensa ni yoru hansouhajokyoseiryuu)
Dakara kakushuuhasshu(ω=2π×f) dekai Koushuuha(f=ω/2π) na hansouhajokyo shitai
Kondensateikou(Xc=1/ωC) no bumpo na ωfueru(Koushuuha) to teikou(Xc) sagari
Teikou sukunai kairo ni Hansouha(Koushuuha) dake torikomare jokyo sarete
Teishuuhan na onseiha ga nokori Oto ga kikoe ru roopaasu firuta
Sore demo onryou(Denryuu) chiisaku Toranjisuta no honryuu(Denshiba 2) de sekitometa
Nami hitotsu nai suiban na kuubousou ni Shiryuu(Denshiba 1) kara nagashita
Denshiba 1 no rizumu Geeto on off de Honryuu(Denshiba 2) ni tensha Nagaredashi
Denchi(Den'atsu) de Denryuu na oto o zoufuku suru no ga Toranjisuta・rajio
Tsui ni supiikaa shindouban no koiru ga Denjiyuudou shi yure ompa ga tobidasu
Yagate shuuhasshu goto no LC kairo mo gen'eki intai
Chuukanshuuhasshu(IF) ni seiri Heterodain de senkyoku antei
Hantoudai, shuusekikairo(IC) ga hikitsugi Ounen no gijutsu wa sheipu sare
1chippu IC ka suru rajio
