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Operational Amplifier:Op-amp as Differential Amplifier or Op-amp as subtractor #allaboutelectronics
ะะพะบะฐะทะฐัั ะพะฟะธัะฐะฝะธะต
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๐๐ข๐ฌ๐๐ฅ๐๐ข๐ฆ๐๐ซ
C๐จp๐ฒr๐ขg๐กt D๐ขs๐l๐i๐ฆe๐ซ ๐n๐e๐ซ ๐e๐t๐ขo๐ง ๐0๐ ๐จf T๐กe C๐จp๐ฒr๐ขg๐กt A๐t 1๐7๐, A๐ฅl๐จw๐n๐e i๐ฌ ๐a๐e f๐จr "๐ a๐ขr u๐ฌe" ๐o๐ซ ๐u๐ซp๐จs๐s S๐ฎc๐ก ๐s C๐ซi๐ญi๐i๐ฌm, ๐o๐ฆm๐n๐ญ, N๐w๐ฌ ๐e๐ฉo๐ซt๐ขn๐ , T๐a๐h๐ขn๐ , S๐h๐จl๐r๐ฌh๐ขp, ๐n๐ฅi๐งe A๐ฉp๐ฅi๐a๐ญi๐จn , S๐h๐m๐s, ๐n๐ ๐e๐ฌe๐r๐h. ๐ a๐ขr U๐ฌe i๐ฌ ๐ ๐s๐ ๐e๐ซm๐ขt๐ญe๐ ๐y C๐จp๐ฒr๐ขg๐กt S๐ญa๐ญu๐ญe T๐กa๐ญ ๐i๐ h๐ญ ๐t๐กe๐ซw๐ขs๐ ๐e I๐งf๐ซi๐งg๐ขn๐ . N๐จn-p๐ซo๐i๐ญ, E๐u๐a๐ญi๐จn๐l o๐ซ ๐e๐ซs๐จn๐l U๐ฌe T๐ขp๐ฌ ๐ญh๐ ๐a๐ฅa๐งc๐ ๐ขn F๐v๐จr o๐ ๐ a๐ขr U๐ฌe.
๐๐ข๐ฌ๐๐ฅ๐๐ข๐ฆ๐๐ซ
C๐จp๐ฒr๐ขg๐กt D๐ขs๐l๐i๐ฆe๐ซ ๐n๐e๐ซ ๐e๐t๐ขo๐ง ๐0๐ ๐จf T๐กe C๐จp๐ฒr๐ขg๐กt A๐t 1๐7๐, A๐ฅl๐จw๐n๐e i๐ฌ ๐a๐e f๐จr "๐ a๐ขr u๐ฌe" ๐o๐ซ ๐u๐ซp๐จs๐s S๐ฎc๐ก ๐s C๐ซi๐ญi๐i๐ฌm, ๐o๐ฆm๐n๐ญ, N๐w๐ฌ ๐e๐ฉo๐ซt๐ขn๐ , T๐a๐h๐ขn๐ , S๐h๐จl๐r๐ฌh๐ขp, ๐n๐ฅi๐งe A๐ฉp๐ฅi๐a๐ญi๐จn , S๐h๐m๐s, ๐n๐ ๐e๐ฌe๐r๐h. ๐ a๐ขr U๐ฌe i๐ฌ ๐ ๐s๐ ๐e๐ซm๐ขt๐ญe๐ ๐y C๐จp๐ฒr๐ขg๐กt S๐ญa๐ญu๐ญe T๐กa๐ญ ๐i๐ h๐ญ ๐t๐กe๐ซw๐ขs๐ ๐e I๐งf๐ซi๐งg๐ขn๐ . N๐จn-p๐ซo๐i๐ญ, E๐u๐a๐ญi๐จn๐l o๐ซ ๐e๐ซs๐จn๐l U๐ฌe T๐ขp๐ฌ ๐ญh๐ ๐a๐ฅa๐งc๐ ๐ขn F๐v๐จr o๐ ๐ a๐ขr U๐ฌe.
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