59
CHN
5.
᪡䚼ӊ䕧ܹ
/
䕧ߎষ
5.1
䇗㡖䕧ܹ♉ᬣᑺ
䕧ܹ♉ᬣᑺৃ㒣䇗㡖㗠䗖䜡Ͼ䔺ݙᬊ䷇ᴎᔩ䷇ᴎDŽᇚᙼᬊ䷇ᴎⱘ䷇䞣䇗㡖䪂䕀ࠄЁ䯈ԡ㕂ˈ✊ৢ䇗㡖
䕧ܹ⬉ᑇ䇗㡖఼
(3)
Ⳉࠄ㦋ᕫЁㄝ䷇䞣DŽ䖭Ͼ䇗㡖ԡ㕂ϔ㠀㛑ֱ䆕᳔Շా䷇⬉य़䯈䎱⢊ᗕϟ䎇
ⱘࡳ⥛ټDŽ
⊼ᛣ
:
䷇䞣䇗䆩ֵোϡᅰ䭓ᯊ䯈᪁ᬒˈҹܡᤳണুDŽ
5.2
ᏺৃ䇗䖛⏵乥⥛ⱘԢ䗮Ⓒ⊶఼
㢹ᇚᬒ఼Ў䍙Ԣ䷇䷇ㆅᬒ఼Փ⫼ˈ䇋ᇚᓔ݇
(7)
䕀ࠄ
„LPF“
ԡ㕂DŽ䇗㡖఼
(6)
䇗ߎ᠔䳔ⱘ䖛⏵乥
⥛DŽ䗮䖛䖭Ͼᮍ⊩ৃҹՓⒸ⊶఼䕀㗠⒵䎇᠔⫼ⱘԢ䷇䷇ㆅⱘ䷇䋼㽕∖DŽⒸ⊶఼ⱘ催䖍㓬䰵ᑺᇚ㊒⹂ഄ䰡Ԣ
Ё乥催乥ऎDŽ
5.3
ᏺৃ䇗䖛⏵乥⥛ⱘ催䗮Ⓒ⊶఼
㢹ᇚᬒ఼Ўि᯳䷇ㆅ
(
Ё䷇䷇ㆅ
/
催䷇䷇ㆅ
)
ⱘᬒ఼Փ⫼ˈ䇋ᇚᓔ݇
(7)
䕀ࠄ
„HPF“
ԡ㕂DŽ䇗㡖఼
(5)
䇗ߎ᠔䳔ⱘ䖛⏵乥⥛DŽ䖭ḋህাᬒ催Ѣ᠔䇗ߎ䖛⏵乥⥛ⱘ乥⥛ˈ㗠ᇚՓ⫼Ԣ乥⥛ᇣൟि᯳䷇ㆅᯊˈ
⬅䖛㭘㝰ކ㗠䗴៤ⱘ༅ⳳޣࠄ᳔ᇣˈজϡ⫼ޣᇣԢ䷇⬉ᑇDŽ
5.4
Ԣ䷇ᬒ
׳ࡽԢ䷇ᬒࡳ㛑
(4)
ৃҹ⍜᷵ℷ䞡Ԣ䷇乥⥛䖛Ѣさߎ༅ⳳDŽ
5.5
ᬒ఼ⱘ䕧ߎষ
LINE INPUT
ষ
L
R
˄
2
˅ⱘ䕧ֵܹোⳈ㹿Ⳉ䕧䗕ࠄ䕧ߎষ
LINE OUT (1) L
R
DŽ
LINE OUT
ষৃҹᬒ఼ˈ㗠জϡ䳔㽕乱ⱘ
T
ᦦᑻ⬉㒓DŽ
.
1
⬉⑤䘹ᓔਃ⬉䏃ⱘ䖲
(1)
ഄ㒓ッᄤ
GND
ˈ⬉∴ⱘ䋳ᵕ
(2)
䘹⬉䏃ッᄤ
REM
(3) + 12
ӣ⬉∴⬉⑤ⱘ㒓᷅
(4)
⬉∴
(5)
⬉㒓ֱ䰽
(6)
䖲ࠄ䔺ݙᬊ䷇ᴎⱘ㞾ࡼ㒓ষ
བᵰᙼⱘ≑䔺᮴㞾ࡼ㒓ষˈ䖭ḍ⬉㒓߭Ϣ⚍☿ᓔ݇ⱘℷᵕ
(+)
Ⳍ䖲DŽ䖭⾡ᚙމϟˈᑨᦦܹ䖲
ϔϾᓔਃ
/
݇䯁ᓔ݇DŽ䇋ᙼ⊼ᛣϡ⫼ᬒ఼ᯊˈྟ㒜݇䯁䖭Ͼᓔ݇DŽ