{"id":6172,"date":"2024-01-22T21:19:42","date_gmt":"2024-01-22T12:19:42","guid":{"rendered":"https:\/\/now0930.pe.kr\/wordpress\/?p=6172"},"modified":"2026-10-04T08:41:47","modified_gmt":"2026-10-03T23:41:47","slug":"op-amp-%ea%b8%b0%eb%b3%b8-%ed%95%b4%ec%84%9d","status":"publish","type":"post","link":"https:\/\/now0930.pe.kr\/wordpress\/op-amp-%ea%b8%b0%eb%b3%b8-%ed%95%b4%ec%84%9d\/","title":{"rendered":"OP AMP \uae30\ubcf8 \ud574\uc11d"},"content":{"rendered":"\n

https:\/\/blog.naver.com\/PostView.naver?blogId=sanggyun23&logNo=222253743828<\/a><\/p>\n\n\n\n

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OP AMP \uae30\ubcf8 \ud574\uc11d<\/h1>\n\n
\n Ideal OP Amp \u00b7 Negative Feedback \u00b7 Inverting Amplifier \u00b7 Integrator \u00b7 Differentiator\n <\/div>\n\n\n \n

1. Ideal OP Amp \uae30\ubcf8\uc2dd<\/h2>\n\n
\n\n

\n OP Amp\uc758 \uae30\ubcf8 \uad00\uacc4\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4.\n <\/p>\n\n

\n Vo<\/sub>\n =\n A(V+<\/sub> – V–<\/sub>)\n <\/div>\n\n

\n Ideal OP Amp\uc5d0\uc11c\ub294 open-loop gain\uc744\n \ubb34\ud55c\ub300\ub85c \uac00\uc815\ud55c\ub2e4.\n <\/p>\n\n

\n A \u2192 \u221e\n <\/div>\n\n

\n \ucd9c\ub825 Vo<\/sub>\uac00 \uc720\ud55c\ud55c \uac12\uc744 \uac00\uc9c0\ub824\uba74\n <\/p>\n\n

\n V+<\/sub> – V–<\/sub>\n \u2192\n 0\n <\/div>\n\n

\n \ub530\ub77c\uc11c negative feedback\uc774 \uac78\ub9b0 \uc0c1\ud0dc\uc5d0\uc11c\ub294\n <\/p>\n\n

\n V+<\/sub>\n \u2248\n V–<\/sub>\n <\/div>\n\n
\n \n Ideal OP Amp + Negative Feedback\uc5d0\uc11c\ub294\n \ub450 \uc785\ub825\ub2e8\uc758 \uc804\uc555\uc744 \uac19\ub2e4\uace0 \ub450\uace0 \ud574\uc11d\ud55c\ub2e4.\n <\/strong>\n <\/div>\n\n <\/div>\n\n\n \n

2. Negative Feedback \ubc18\uc804 \uc99d\ud3ed\uae30<\/h2>\n\n
\n\n

\n \ubc18\uc804 \uc785\ub825\ub2e8\uc5d0 \uc785\ub825 \uc784\ud53c\ub358\uc2a4 Zi<\/sub>,\n \ucd9c\ub825\uacfc \ubc18\uc804 \uc785\ub825\ub2e8 \uc0ac\uc774\uc5d0 feedback impedance\n Zo<\/sub>\uac00 \uc5f0\uacb0\ub418\uc5b4 \uc788\ub2e4.\n <\/p>\n\n

\n \ube44\ubc18\uc804 \uc785\ub825\ub2e8\uc740 \uc811\uc9c0\ub418\uc5b4 \uc788\uc73c\ubbc0\ub85c\n <\/p>\n\n

\n V+<\/sub> = 0\n <\/div>\n\n

\n Ideal OP Amp\uc758 virtual short \uad00\uacc4\uc5d0 \uc758\ud574\n <\/p>\n\n

\n V–<\/sub> \u2248 0\n <\/div>\n\n

\n \uc774\ub2e4.\n <\/p>\n\n

\n \uc785\ub825\uc804\ub958\uc640 feedback \uc804\ub958\uac00 \uac19\uc73c\ubbc0\ub85c\n <\/p>\n\n

\n Vi<\/sub>\/Zi<\/sub>\n =\n -Vo<\/sub>\/Zo<\/sub>\n <\/div>\n\n

\n \ub530\ub77c\uc11c \uc804\ub2ec\ud568\uc218\ub294\n <\/p>\n\n

\n Vo<\/sub>\/Vi<\/sub>\n =\n -Zo<\/sub>\/Zi<\/sub>\n <\/div>\n\n
\n T(s)\n =\n -Zo<\/sub>\/Zi<\/sub>\n <\/div>\n\n
\n \n \ubc18\uc804 OP Amp\ub294 \uc800\ud56d\ubfd0 \uc544\ub2c8\ub77c\n \uc77c\ubc18\uc801\uc778 \uc784\ud53c\ub358\uc2a4 Z\ub97c \uc0ac\uc6a9\ud558\uc5ec\n \ub3d9\uc77c\ud55c \ud615\ud0dc\ub85c \ud574\uc11d\ud560 \uc218 \uc788\ub2e4.\n <\/strong>\n <\/div>\n\n <\/div>\n\n\n \n

3. \uc800\ud56d\uc744 \uc0ac\uc6a9\ud55c \ubc18\uc804 \uc99d\ud3ed\uae30<\/h2>\n\n
\n\n

\n \uc785\ub825\uacfc feedback\uc5d0 \uc800\ud56d\uc744 \uc0ac\uc6a9\ud558\uba74\n <\/p>\n\n

\n Zi<\/sub> = Ri<\/sub>\n <\/div>\n\n
\n Zo<\/sub> = Ro<\/sub>\n <\/div>\n\n

\n \uc774\ubbc0\ub85c\n <\/p>\n\n

\n T(s)\n =\n -Ro<\/sub>\/Ri<\/sub>\n <\/div>\n\n

\n \uc989 \ucd9c\ub825\uc740 \uc785\ub825\uc5d0 \ub300\ud574 \uc704\uc0c1\uc774 \ubc18\uc804\ub418\uace0,\n \uc800\ud56d\ube44\uc5d0 \uc758\ud574 gain\uc774 \uacb0\uc815\ub41c\ub2e4.\n <\/p>\n\n <\/div>\n\n\n \n

4. OP Amp Integrator<\/h2>\n\n
\n\n

\n \uc785\ub825\uc5d0\ub294 \uc800\ud56d Ri<\/sub>,\n feedback\uc5d0\ub294 capacitor C\ub97c \uc0ac\uc6a9\ud55c\ub2e4.\n <\/p>\n\n

\n Zi<\/sub>\n =\n Ri<\/sub>\n <\/div>\n\n
\n Zo<\/sub>\n =\n 1\/(sC)\n <\/div>\n\n

\n \ubc18\uc804 OP Amp\uc758 \uc77c\ubc18\uc2dd\n <\/p>\n\n

\n T(s)\n =\n -Zo<\/sub>\/Zi<\/sub>\n <\/div>\n\n

\n \uc5d0 \ub300\uc785\ud558\uba74\n <\/p>\n\n

\n T(s)\n =\n –\n [1\/(sC)]\n \/\n Ri<\/sub>\n <\/div>\n\n
\n T(s)\n =\n -1\/(sCRi<\/sub>)\n <\/div>\n\n
\n \n Integrator\uc758 \uc804\ub2ec\ud568\uc218\ub294\n 1\/s \ud615\ud0dc\ub97c \uac16\ub294\ub2e4.\n <\/strong>\n <\/div>\n\n <\/div>\n\n\n \n

5. Integrator\uc758 Bode Plot<\/h2>\n\n
\n\n
\n T(s)\n =\n -1\/(sCRi<\/sub>)\n <\/div>\n\n

\n s=j\u03c9\ub97c \ub300\uc785\ud558\uba74\n <\/p>\n\n

\n |T(j\u03c9)|\n =\n 1\/(\u03c9CRi<\/sub>)\n <\/div>\n\n

\n \ub530\ub77c\uc11c \uc8fc\ud30c\uc218\uac00 10\ubc30 \uc99d\uac00\ud558\uba74\n \ud06c\uae30\ub294 1\/10\ub85c \uac10\uc18c\ud55c\ub2e4.\n <\/p>\n\n

\n Slope\n =\n -20 dB\/decade\n <\/div>\n\n

\n \ud544\uae30\uc5d0\ub294 \uc774\ub97c octave \uae30\uc900\uc73c\ub85c\n <\/p>\n\n

\n -6 dB\/octave\n <\/div>\n\n

\n \ub85c \ud45c\uc2dc\ud558\uc600\ub2e4.\n <\/p>\n\n

\n \n Integrator\ub294 \uc8fc\ud30c\uc218\uac00 \uc99d\uac00\ud560\uc218\ub85d\n gain\uc774 \uac10\uc18c\ud55c\ub2e4.\n <\/strong>\n <\/div>\n\n <\/div>\n\n\n \n

6. Ideal Integrator\uc758 \uc800\uc8fc\ud30c \ubb38\uc81c<\/h2>\n\n
\n\n

\n Ideal Integrator\uc758 magnitude\ub294\n <\/p>\n\n

\n |T(j\u03c9)|\n =\n 1\/(\u03c9CRi<\/sub>)\n <\/div>\n\n

\n \uc774\ubbc0\ub85c\n <\/p>\n\n

\n \u03c9 \u2192 0\n <\/div>\n\n

\n \uc5d0\uc11c\n <\/p>\n\n

\n |T(j\u03c9)| \u2192 \u221e\n <\/div>\n\n

\n \uac00 \ub41c\ub2e4.\n <\/p>\n\n

\n \n Ideal Integrator\ub294 DC \ubc0f \ub9e4\uc6b0 \ub0ae\uc740 \uc8fc\ud30c\uc218\uc5d0\uc11c\n gain\uc774 \uc9c0\ub098\uce58\uac8c \ucee4\uc9c8 \uc218 \uc788\ub2e4.\n <\/strong>\n <\/div>\n\n <\/div>\n\n\n \n

7. Practical Integrator<\/h2>\n\n
\n\n

\n \uc800\uc8fc\ud30c gain\uc744 \uc81c\ud55c\ud558\uae30 \uc704\ud574\n feedback capacitor C\uc640 \ubcd1\ub82c\ub85c\n \uc800\ud56d Ro<\/sub>\ub97c \ucd94\uac00\ud55c\ub2e4.\n <\/p>\n\n

\n Feedback impedance\ub294\n <\/p>\n\n

\n Zo<\/sub>\n =\n Ro<\/sub>\n \u2225\n 1\/(sC)\n <\/div>\n\n

\n \ubcd1\ub82c \uc784\ud53c\ub358\uc2a4\ub97c \uacc4\uc0b0\ud558\uba74\n <\/p>\n\n

\n 1\/Zo<\/sub>\n =\n 1\/Ro<\/sub>\n +\n sC\n <\/div>\n\n
\n Zo<\/sub>\n =\n Ro<\/sub>\n \/\n (1+sCRo<\/sub>)\n <\/div>\n\n

\n \ub530\ub77c\uc11c \uc804\ub2ec\ud568\uc218\ub294\n <\/p>\n\n

\n T(s)\n =\n –\n [Ro<\/sub>\/Ri<\/sub>]\n \u00b7\n 1\/(1+sCRo<\/sub>)\n <\/div>\n\n <\/div>\n\n\n \n

8. Practical Integrator\uc758 \uc800\uc8fc\ud30c Gain<\/h2>\n\n
\n\n

\n \u03c9=0\uc5d0\uc11c\ub294 capacitor\uac00 open\uacfc \uac19\uc740 \uc0c1\ud0dc\uac00 \ub418\ubbc0\ub85c\n feedback\uc740 Ro<\/sub>\uc5d0 \uc758\ud574 \uacb0\uc815\ub41c\ub2e4.\n <\/p>\n\n

\n T(0)\n =\n -Ro<\/sub>\/Ri<\/sub>\n <\/div>\n\n

\n \ub530\ub77c\uc11c ideal integrator\ucc98\ub7fc\n DC gain\uc774 \ubb34\ud55c\ub300\ub85c \uc99d\uac00\ud558\uc9c0 \uc54a\ub294\ub2e4.\n <\/p>\n\n

\n \n Ro<\/sub>\ub97c capacitor\uc640 \ubcd1\ub82c\ub85c \uc5f0\uacb0\ud558\uba74\n low-frequency gain\uc744\n -Ro<\/sub>\/Ri<\/sub>\ub85c \uc81c\ud55c\ud560 \uc218 \uc788\ub2e4.\n <\/strong>\n <\/div>\n\n <\/div>\n\n\n \n

9. Practical Integrator\uc758 Corner Frequency<\/h2>\n\n
\n\n

\n \uc804\ub2ec\ud568\uc218\n <\/p>\n\n

\n T(s)\n =\n –\n [Ro<\/sub>\/Ri<\/sub>]\n \u00b7\n 1\/(1+sCRo<\/sub>)\n <\/div>\n\n

\n \uc5d0\uc11c pole\uc740\n <\/p>\n\n

\n 1+sCRo<\/sub> = 0\n <\/div>\n\n

\n \uc774\ub2e4.\n <\/p>\n\n

\n \ub530\ub77c\uc11c corner frequency\ub294\n <\/p>\n\n

\n \u03c9c<\/sub>\n =\n 1\/(CRo<\/sub>)\n <\/div>\n\n

\n \uc774\ub2e4.\n <\/p>\n\n

\n \n \ub0ae\uc740 \uc8fc\ud30c\uc218\uc5d0\uc11c\ub294 \uc77c\uc815\ud55c gain\uc744 \uac00\uc9c0\uba70,\n \u03c9 > 1\/(CRo<\/sub>) \uc774\ud6c4\uc5d0\ub294\n integrator \ud2b9\uc131\uc774 \ub098\ud0c0\ub09c\ub2e4.\n <\/strong>\n <\/div>\n\n <\/div>\n\n\n \n

10. OP Amp Differentiator<\/h2>\n\n
\n\n

\n Differentiator\uc5d0\uc11c\ub294 \uc785\ub825\uc5d0 capacitor,\n feedback\uc5d0 \uc800\ud56d\uc744 \uc0ac\uc6a9\ud55c\ub2e4.\n <\/p>\n\n

\n Zi<\/sub>\n =\n 1\/(sC)\n <\/div>\n\n
\n Zo<\/sub>\n =\n Ro<\/sub>\n <\/div>\n\n

\n \ub530\ub77c\uc11c\n <\/p>\n\n

\n T(s)\n =\n -Zo<\/sub>\/Zi<\/sub>\n <\/div>\n\n
\n T(s)\n =\n -Ro<\/sub>\n \/\n [1\/(sC)]\n <\/div>\n\n
\n T(s)\n =\n -sCRo<\/sub>\n <\/div>\n\n
\n \n Differentiator\uc758 \uc804\ub2ec\ud568\uc218\ub294\n s\uc5d0 \ube44\ub840\ud55c\ub2e4.\n <\/strong>\n <\/div>\n\n <\/div>\n\n\n \n

11. Differentiator\uc758 Bode Plot<\/h2>\n\n
\n\n

\n s=j\u03c9\ub97c \ub300\uc785\ud558\uba74\n <\/p>\n\n

\n |T(j\u03c9)|\n =\n \u03c9CRo<\/sub>\n <\/div>\n\n

\n \ub530\ub77c\uc11c \uc8fc\ud30c\uc218\uac00 \uc99d\uac00\ud558\uba74 gain\ub3c4 \uc99d\uac00\ud55c\ub2e4.\n <\/p>\n\n

\n Slope\n =\n +20 dB\/decade\n <\/div>\n\n

\n octave \uae30\uc900\uc73c\ub85c\ub294\n <\/p>\n\n

\n +6 dB\/octave\n <\/div>\n\n

\n \uc774\ub2e4.\n <\/p>\n\n

\n magnitude\uac00 1\uc774 \ub418\ub294 \uc8fc\ud30c\uc218\ub294\n <\/p>\n\n

\n |T(j\u03c9)| = 1\n <\/div>\n\n
\n \u03c9CRo<\/sub> = 1\n <\/div>\n\n
\n \u03c9\n =\n 1\/(CRo<\/sub>)\n <\/div>\n\n <\/div>\n\n\n \n

12. Integrator\uc640 Differentiator \ube44\uad50<\/h2>\n\n
\n\n \n\n \n \n \n\n \n \n \n \n \n \n
\uad6c\ubd84<\/th>\n Integrator<\/th>\n Differentiator<\/th>\n <\/tr>\n <\/thead>\n\n
\uc785\ub825 \uc784\ud53c\ub358\uc2a4<\/strong><\/td>\n R<\/td>\n 1\/(sC)<\/td>\n <\/tr>\n\n
Feedback \uc784\ud53c\ub358\uc2a4<\/strong><\/td>\n 1\/(sC)<\/td>\n R<\/td>\n <\/tr>\n\n
\uc804\ub2ec\ud568\uc218<\/strong><\/td>\n -1\/(sCR)<\/td>\n -sCR<\/td>\n <\/tr>\n\n
Magnitude<\/strong><\/td>\n \u221d 1\/\u03c9<\/td>\n \u221d \u03c9<\/td>\n <\/tr>\n\n
Bode Slope<\/strong><\/td>\n -20 dB\/dec<\/td>\n +20 dB\/dec<\/td>\n <\/tr>\n\n
Octave Slope<\/strong><\/td>\n -6 dB\/oct<\/td>\n +6 dB\/oct<\/td>\n <\/tr>\n\n <\/tbody>\n\n <\/table>\n\n <\/div>\n\n\n \n

13. LPF \/ HPF \uad00\uc810<\/h2>\n\n
\n\n

\n Integrator\ub294 \uc8fc\ud30c\uc218\uac00 \uc99d\uac00\ud560\uc218\ub85d\n gain\uc774 \uac10\uc18c\ud55c\ub2e4.\n <\/p>\n\n

\n |T(j\u03c9)|\n \u221d\n 1\/\u03c9\n <\/div>\n\n

\n \ub530\ub77c\uc11c \ub192\uc740 \uc8fc\ud30c\uc218 \uc131\ubd84\uc744 \uac10\uc18c\uc2dc\ud0a4\ub294\n Low-Pass \uc131\uaca9\uc744 \uac16\ub294\ub2e4.\n <\/p>\n\n

\n Differentiator\ub294 \uc8fc\ud30c\uc218\uac00 \uc99d\uac00\ud560\uc218\ub85d\n gain\uc774 \uc99d\uac00\ud55c\ub2e4.\n <\/p>\n\n

\n |T(j\u03c9)|\n \u221d\n \u03c9\n <\/div>\n\n

\n \ub530\ub77c\uc11c \ub192\uc740 \uc8fc\ud30c\uc218 \uc131\ubd84\uc744 \uac15\uc870\ud558\ub294\n High-Pass \uc131\uaca9\uc744 \uac16\ub294\ub2e4.\n <\/p>\n\n

\n \n Differentiator\ub294 \uc8fc\ud30c\uc218\uac00 \ub192\uc544\uc9c8\uc218\ub85d gain\uc774 \uc99d\uac00\ud558\ubbc0\ub85c\n high-frequency noise\ub3c4 \ud06c\uac8c \uc99d\ud3ed\ud560 \uc218 \uc788\ub2e4.\n <\/strong>\n <\/div>\n\n <\/div>\n\n\n \n

14. \uc774\ubbf8\uc9c0 \ud575\uc2ec \uacf5\uc2dd \uc815\ub9ac<\/h2>\n\n
\n\n \n\n \n \n \n\n \n \n \n \n \n \n \n \n
\ud56d\ubaa9<\/th>\n \uad00\uacc4\uc2dd<\/th>\n <\/tr>\n <\/thead>\n\n
OP Amp \uae30\ubcf8\uc2dd<\/strong><\/td>\n \n Vo<\/sub>\n =\n A(V+<\/sub>-V–<\/sub>)\n <\/td>\n <\/tr>\n\n
Ideal OP Amp<\/strong><\/td>\n A \u2192 \u221e<\/td>\n <\/tr>\n\n
Virtual Short<\/strong><\/td>\n \n V+<\/sub> \u2248 V–<\/sub>\n <\/td>\n <\/tr>\n\n
\ubc18\uc804 \uc99d\ud3ed\uae30<\/strong><\/td>\n \n T(s)=-Zo<\/sub>\/Zi<\/sub>\n <\/td>\n <\/tr>\n\n
Integrator<\/strong><\/td>\n \n T(s)=-1\/(sCRi<\/sub>)\n <\/td>\n <\/tr>\n\n
Practical Integrator<\/strong><\/td>\n \n T(s)=\n -(Ro<\/sub>\/Ri<\/sub>)\n \/\n (1+sCRo<\/sub>)\n <\/td>\n <\/tr>\n\n
Integrator Corner<\/strong><\/td>\n \n \u03c9c<\/sub>=1\/(CRo<\/sub>)\n <\/td>\n <\/tr>\n\n
Differentiator<\/strong><\/td>\n \n T(s)=-sCRo<\/sub>\n <\/td>\n <\/tr>\n\n <\/tbody>\n\n <\/table>\n\n <\/div>\n\n\n \n

15. \ud575\uc2ec \uae30\uc5b5 \ubb38\uc7a5<\/h2>\n\n
\n\n
    \n\n
  1. \n \n Ideal OP Amp\uc758 open-loop gain\uc740\n A\u2192\u221e\ub85c \uac00\uc815\ud55c\ub2e4.\n <\/strong>\n <\/li>\n\n
  2. \n \n Negative feedback \uc0c1\ud0dc\uc5d0\uc11c\ub294\n V+<\/sub>\u2248V–<\/sub>\ub85c \ud574\uc11d\ud55c\ub2e4.\n <\/strong>\n <\/li>\n\n
  3. \n \n \ubc18\uc804 OP Amp\uc758 \uc77c\ubc18\uc2dd\uc740\n T(s)=-Zo<\/sub>\/Zi<\/sub>\uc774\ub2e4.\n <\/strong>\n <\/li>\n\n
  4. \n \n Feedback\uc5d0 capacitor\ub97c \uc0ac\uc6a9\ud558\uba74\n T(s)=-1\/(sCR)\uc774 \ub418\uc5b4 integrator\uac00 \ub41c\ub2e4.\n <\/strong>\n <\/li>\n\n
  5. \n \n Integrator\ub294 -20 dB\/decade\uc758 \uae30\uc6b8\uae30\ub97c \uac16\ub294\ub2e4.\n <\/strong>\n <\/li>\n\n
  6. \n \n Practical Integrator\ub294 capacitor\uc640 \ubcd1\ub82c\ub85c \uc800\ud56d\uc744 \ucd94\uac00\ud558\uc5ec\n DC gain\uc744 \uc81c\ud55c\ud55c\ub2e4.\n <\/strong>\n <\/li>\n\n
  7. \n \n \uc785\ub825\uc5d0 capacitor\ub97c \uc0ac\uc6a9\ud558\uba74\n T(s)=-sCR\uc774 \ub418\uc5b4 differentiator\uac00 \ub41c\ub2e4.\n <\/strong>\n <\/li>\n\n
  8. \n \n Differentiator\ub294 +20 dB\/decade\uc758 \uae30\uc6b8\uae30\ub97c \uac16\ub294\ub2e4.\n <\/strong>\n <\/li>\n\n <\/ol>\n\n <\/div>\n\n\n \n
    \n OP Amp, Ideal OP Amp, Negative Feedback,\n Virtual Short, Inverting Amplifier,\n Integrator, Practical Integrator,\n Differentiator, LPF, HPF, Bode Plot\n <\/div>\n\n<\/div>\n“`\n","protected":false},"excerpt":{"rendered":"

    https:\/\/blog.naver.com\/PostView.naver?blogId=sanggyun23&logNo=222253743828 “`html OP AMP \uae30\ubcf8 \ud574\uc11d Ideal OP Amp \u00b7 Negative Feedback \u00b7 Inverting Amplifier \u00b7 Integrator \u00b7 Differentiator 1. Ideal OP Amp \uae30\ubcf8\uc2dd OP Amp\uc758 \uae30\ubcf8 \uad00\uacc4\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4. Vo = A(V+ – V–) Ideal OP Amp\uc5d0\uc11c\ub294 open-loop gain\uc744 \ubb34\ud55c\ub300\ub85c \uac00\uc815\ud55c\ub2e4. A \u2192 \u221e \ucd9c\ub825 Vo\uac00 \uc720\ud55c\ud55c \uac12\uc744 \uac00\uc9c0\ub824\uba74 V+ – V– \u2192 0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1185],"tags":[1227,1228,1226,1229,1230],"class_list":["post-6172","post","type-post","status-publish","format-standard","hentry","category-1185","tag-hpf","tag-lpf","tag-op-amp","tag-1229","tag-1230"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/6172","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/comments?post=6172"}],"version-history":[{"count":3,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/6172\/revisions"}],"predecessor-version":[{"id":9552,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/6172\/revisions\/9552"}],"wp:attachment":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/media?parent=6172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/categories?post=6172"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/tags?post=6172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}