{"id":2080,"date":"2026-08-31T23:14:35","date_gmt":"2026-08-31T16:14:35","guid":{"rendered":"https:\/\/yourapx.com\/?p=2080"},"modified":"2026-08-31T23:14:35","modified_gmt":"2026-08-31T16:14:35","slug":"bien-ap-xung-va-bien-ap-nguon","status":"publish","type":"post","link":"https:\/\/yourapx.com\/?p=2080","title":{"rendered":"Bi\u1ebfn \u00e1p xung v\u00e0 bi\u1ebfn \u00e1p ngu\u1ed3n l\u00e0 g\u00ec? K\u00fd hi\u1ec7u, c\u00e1ch m\u1eafc, c\u00e1ch \u0111o v\u00e0 \u1ee9ng d\u1ee5ng"},"content":{"rendered":"

Bi\u1ebfn \u00e1p xung v\u00e0 bi\u1ebfn \u00e1p ngu\u1ed3n<\/strong> thu\u1ed9c nh\u00f3m bi\u1ebfn \u00e1p. Bi\u1ebfn \u00e1p xung v\u00e0 bi\u1ebfn \u00e1p ngu\u1ed3n truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng gi\u1eefa c\u00e1c cu\u1ed9n d\u00e2y qua t\u1eeb tr\u01b0\u1eddng, d\u00f9ng \u0111\u1ec3 bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec7n \u00e1p, ph\u1ed1i h\u1ee3p tr\u1edf kh\u00e1ng ho\u1eb7c c\u00e1ch ly.<\/p>\n

1. Bi\u1ebfn \u00e1p xung v\u00e0 bi\u1ebfn \u00e1p ngu\u1ed3n l\u00e0 g\u00ec v\u00e0 c\u00f3 vai tr\u00f2 g\u00ec?<\/h2>\n

Bi\u1ebfn \u00e1p xung v\u00e0 bi\u1ebfn \u00e1p ngu\u1ed3n truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng gi\u1eefa c\u00e1c cu\u1ed9n d\u00e2y qua t\u1eeb tr\u01b0\u1eddng, d\u00f9ng \u0111\u1ec3 bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec7n \u00e1p, ph\u1ed1i h\u1ee3p tr\u1edf kh\u00e1ng ho\u1eb7c c\u00e1ch ly.<\/p>\n

2. K\u00fd hi\u1ec7u Bi\u1ebfn \u00e1p xung v\u00e0 bi\u1ebfn \u00e1p ngu\u1ed3n trong s\u01a1 \u0111\u1ed3 m\u1ea1ch \u0111i\u1ec7n<\/h2>\n

K\u00fd hi\u1ec7u g\u1ed3m t\u1eeb hai cu\u1ed9n d\u00e2y; d\u1ea5u ch\u1ea5m th\u1ec3 hi\u1ec7n quan h\u1ec7 pha v\u00e0 c\u00e1c v\u1ea1ch l\u00f5i bi\u1ec3u di\u1ec5n v\u1eadt li\u1ec7u t\u1eeb. C\u1ea7n x\u00e1c \u0111\u1ecbnh \u0111\u00fang cu\u1ed9n s\u01a1 c\u1ea5p\/th\u1ee9 c\u1ea5p.<\/p>\n

M\u1ed7i s\u01a1 \u0111\u1ed3 trong b\u00e0i d\u00f9ng m\u00e3 tham chi\u1ebfu ri\u00eang cho t\u1eebng linh ki\u1ec7n, ch\u1eb3ng h\u1ea1n R cho \u0111i\u1ec7n tr\u1edf, C cho t\u1ee5 \u0111i\u1ec7n, D cho diode, Q cho transistor, U cho IC, L cho cu\u1ed9n c\u1ea3m v\u00e0 K cho r\u01a1-le. Khi m\u1ed9t m\u1ea1ch c\u00f3 nhi\u1ec1u linh ki\u1ec7n, s\u1ed1 th\u1ee9 t\u1ef1 R1, R2, C1, D1\u2026 gi\u00fap ph\u00e2n bi\u1ec7t t\u1eebng ph\u1ea7n t\u1eed m\u00e0 kh\u00f4ng l\u00e0m thay \u0111\u1ed5i k\u00fd hi\u1ec7u \u0111i\u1ec7n c\u1ee7a ch\u00fang.<\/p>\n

\"K\u00fd
K\u00fd hi\u1ec7u v\u00e0 quy \u01b0\u1edbc ch\u00e2n c\u1ee7a Bi\u1ebfn \u00e1p xung v\u00e0 bi\u1ebfn \u00e1p ngu\u1ed3n trong s\u01a1 \u0111\u1ed3 m\u1ea1ch \u0111i\u1ec7n<\/figcaption><\/figure>\n

3. C\u1ea5u t\u1ea1o, h\u00ecnh d\u1ea1ng v\u00e0 c\u00e1c ki\u1ec3u package<\/h2>\n

D\u00e2y d\u1eabn qu\u1ea5n tr\u00ean l\u00f5i kh\u00f4ng kh\u00ed, ferrite ho\u1eb7c v\u1eadt li\u1ec7u t\u1eeb. S\u1ed1 v\u00f2ng, khe h\u1edf l\u00f5i, ti\u1ebft di\u1ec7n d\u00e2y v\u00e0 v\u1eadt li\u1ec7u quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 t\u1ef1 c\u1ea3m, b\u00e3o h\u00f2a v\u00e0 t\u1ed5n hao.<\/p>\n

    \n
  • Cu\u1ed9n d\u00e2y xuy\u00ean l\u1ed7<\/li>\n
  • SMD shielded\/unshielded<\/li>\n
  • Toroid<\/li>\n
  • Common-mode choke<\/li>\n
  • Bi\u1ebfn \u00e1p EI\/EE\/ETD\/RM ho\u1eb7c planar<\/li>\n<\/ul>\n

    \u1ea2nh th\u1ef1c t\u1ebf ch\u1ec9 \u0111\u01b0\u1ee3c g\u1eafn t\u00ean package khi c\u00f3 \u0111\u1ee7 c\u0103n c\u1ee9 t\u1eeb m\u00e3 linh ki\u1ec7n, k\u00edch th\u01b0\u1edbc ho\u1eb7c datasheet; kh\u00f4ng \u0111o\u00e1n package ch\u1ec9 t\u1eeb t\u1ef7 l\u1ec7 \u1ea3nh.<\/p>\n

    \"Bi\u1ebfn
    \u1ea2nh th\u1ef1c t\u1ebf 1: h\u00ecnh d\u1ea1ng, m\u00e3 nh\u1eadn d\u1ea1ng ho\u1eb7c ki\u1ec3u l\u1eafp c\u1ee7a Bi\u1ebfn \u00e1p xung v\u00e0 bi\u1ebfn \u00e1p ngu\u1ed3n<\/figcaption><\/figure>\n

    4. C\u00e1c ch\u1ee7ng lo\u1ea1i ph\u1ed5 bi\u1ebfn<\/h2>\n
      \n
    • H\u1ea1 \u00e1p\/t\u0103ng \u00e1p<\/li>\n
    • C\u00e1ch ly<\/li>\n
    • Xung<\/li>\n
    • \u0110o l\u01b0\u1eddng<\/li>\n
    • Flyback\/forward<\/li>\n<\/ul>\n
      \"Bi\u1ebfn
      \u1ea2nh th\u1ef1c t\u1ebf 2: h\u00ecnh d\u1ea1ng, m\u00e3 nh\u1eadn d\u1ea1ng ho\u1eb7c ki\u1ec3u l\u1eafp c\u1ee7a Bi\u1ebfn \u00e1p xung v\u00e0 bi\u1ebfn \u00e1p ngu\u1ed3n<\/figcaption><\/figure>\n

      5. C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea7n hi\u1ec3u<\/h2>\n
        \n
      • T\u1ef7 s\u1ed1 v\u00f2ng d\u00e2y<\/li>\n
      • \u0110i\u1ec7n \u00e1p\/c\u00f4ng su\u1ea5t<\/li>\n
      • T\u1ea7n s\u1ed1<\/li>\n
      • \u0110\u1ed9 t\u1ef1 c\u1ea3m t\u1eeb h\u00f3a<\/li>\n
      • C\u00e1ch \u0111i\u1ec7n<\/li>\n
      • T\u1ed5n hao<\/li>\n<\/ul>\n

        \u0110\u1ecdc \u0111i\u1ec1u ki\u1ec7n \u0111o \u0111\u1ed9 t\u1ef1 c\u1ea3m, DCR, d\u00f2ng b\u00e3o h\u00f2a\/RMS, t\u1ed5n hao theo t\u1ea7n s\u1ed1, nhi\u1ec7t \u0111\u1ed9; v\u1edbi bi\u1ebfn \u00e1p \u0111\u1ecdc t\u1ef7 s\u1ed1, pinout, d\u1ea5u ch\u1ea5m pha v\u00e0 c\u00e1ch \u0111i\u1ec7n.<\/p>\n

        \"Bi\u1ebfn
        \u1ea2nh th\u1ef1c t\u1ebf 3: h\u00ecnh d\u1ea1ng, m\u00e3 nh\u1eadn d\u1ea1ng ho\u1eb7c ki\u1ec3u l\u1eafp c\u1ee7a Bi\u1ebfn \u00e1p xung v\u00e0 bi\u1ebfn \u00e1p ngu\u1ed3n<\/figcaption><\/figure>\n

        6. C\u00f4ng th\u1ee9c to\u00e1n h\u1ecdc v\u00e0 v\u1eadt l\u00fd<\/h2>\n
          \n
        • U\u2081\/U\u2082 \u2248 N\u2081\/N\u2082<\/li>\n
        • I\u2081\/I\u2082 \u2248 N\u2082\/N\u2081<\/li>\n
        • \u03b7 = Pra<\/sub>\/Pv\u00e0o<\/sub>\u00d7100%<\/li>\n<\/ul>\n

          C\u00f4ng th\u1ee9c l\u00fd t\u01b0\u1edfng ch\u1ec9 \u0111\u00fang trong \u0111i\u1ec1u ki\u1ec7n \u0111\u00e3 n\u00eau. Khi ch\u1ecdn linh ki\u1ec7n th\u1eadt ph\u1ea3i t\u00ednh th\u00eam dung sai, nhi\u1ec7t \u0111\u1ed9, t\u1ea7n s\u1ed1, t\u1ea3i v\u00e0 gi\u1edbi h\u1ea1n trong datasheet.<\/p>\n

          \"Bi\u1ebfn
          \u1ea2nh th\u1ef1c t\u1ebf 4: h\u00ecnh d\u1ea1ng, m\u00e3 nh\u1eadn d\u1ea1ng ho\u1eb7c ki\u1ec3u l\u1eafp c\u1ee7a Bi\u1ebfn \u00e1p xung v\u00e0 bi\u1ebfn \u00e1p ngu\u1ed3n<\/figcaption><\/figure>\n

          7. C\u00e1c c\u00e1ch m\u1eafc Bi\u1ebfn \u00e1p xung v\u00e0 bi\u1ebfn \u00e1p ngu\u1ed3n trong m\u1ea1ch \u0111i\u1ec7n t\u1eed<\/h2>\n

          D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c c\u00e1ch m\u1eafc ph\u1ed5 bi\u1ebfn, c\u00f3 c\u01a1 s\u1edf k\u1ef9 thu\u1eadt \u0111\u1ed1i v\u1edbi \u0111\u00fang nh\u00f3m linh ki\u1ec7n. M\u1ed7i h\u00ecnh c\u00f3 ch\u00fa gi\u1ea3i k\u00fd hi\u1ec7u \u0111\u1ec3 ng\u01b0\u1eddi \u0111\u1ecdc nh\u1eadn ra t\u1eebng lo\u1ea1i linh ki\u1ec7n ngay c\u1ea3 khi m\u1ea1ch c\u00f3 nhi\u1ec1u ph\u1ea7n t\u1eed. S\u1ed1 c\u00e1ch kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ed5 sung ch\u1ec9 \u0111\u1ec3 l\u00e0m b\u00e0i d\u00e0i; c\u1ea5u h\u00ecnh \u0111\u1eb7c th\u00f9 theo m\u00e3 linh ki\u1ec7n ph\u1ea3i l\u1ea5y t\u1eeb datasheet.<\/p>\n

          \n

          1. M\u1eafc h\u1ea1 \u00e1p ho\u1eb7c t\u0103ng \u00e1p<\/h3>\n

          Ngu\u1ed3n AC\/xung v\u00e0o s\u01a1 c\u1ea5p, t\u1ea3i \u1edf th\u1ee9 c\u1ea5p; t\u1ef7 s\u1ed1 \u0111i\u1ec7n \u00e1p g\u1ea7n b\u1eb1ng t\u1ef7 s\u1ed1 v\u00f2ng d\u00e2y trong \u0111i\u1ec1u ki\u1ec7n l\u00fd t\u01b0\u1edfng.<\/p>\n

          \"S\u01a1
          S\u01a1 \u0111\u1ed3 c\u00e1ch m\u1eafc 1: M\u1eafc h\u1ea1 \u00e1p ho\u1eb7c t\u0103ng \u00e1p \u2013 Ngu\u1ed3n AC\/xung v\u00e0o s\u01a1 c\u1ea5p, t\u1ea3i \u1edf th\u1ee9 c\u1ea5p; t\u1ef7 s\u1ed1 \u0111i\u1ec7n \u00e1p g\u1ea7n b\u1eb1ng t\u1ef7 s\u1ed1 v\u00f2ng d\u00e2y trong \u0111i\u1ec1u ki\u1ec7n l\u00fd t\u01b0\u1edfng.<\/figcaption><\/figure>\n

          2. M\u1eafc c\u00e1ch ly 1:1<\/h3>\n

          T\u1ef7 s\u1ed1 g\u1ea7n 1:1 nh\u01b0ng hai ph\u00eda c\u00e1ch ly \u0111i\u1ec7n; ph\u1ea3i tu\u00e2n th\u1ee7 kho\u1ea3ng c\u00e1ch v\u00e0 an to\u00e0n c\u00e1ch \u0111i\u1ec7n.<\/p>\n

          \"S\u01a1
          S\u01a1 \u0111\u1ed3 c\u00e1ch m\u1eafc 2: M\u1eafc c\u00e1ch ly 1:1 \u2013 T\u1ef7 s\u1ed1 g\u1ea7n 1:1 nh\u01b0ng hai ph\u00eda c\u00e1ch ly \u0111i\u1ec7n; ph\u1ea3i tu\u00e2n th\u1ee7 kho\u1ea3ng c\u00e1ch v\u00e0 an to\u00e0n c\u00e1ch \u0111i\u1ec7n.<\/figcaption><\/figure>\n

          3. M\u1eafc nhi\u1ec1u cu\u1ed9n n\u1ed1i ti\u1ebfp\/song song<\/h3>\n

          Cu\u1ed9n ph\u1ea3i \u0111\u00fang pha v\u00e0 c\u00f9ng th\u00f4ng s\u1ed1; n\u1ed1i sai pha c\u00f3 th\u1ec3 tri\u1ec7t ti\u00eau \u0111i\u1ec7n \u00e1p ho\u1eb7c g\u00e2y d\u00f2ng l\u1edbn.<\/p>\n

          \"S\u01a1
          S\u01a1 \u0111\u1ed3 c\u00e1ch m\u1eafc 3: M\u1eafc nhi\u1ec1u cu\u1ed9n n\u1ed1i ti\u1ebfp\/song song \u2013 Cu\u1ed9n ph\u1ea3i \u0111\u00fang pha v\u00e0 c\u00f9ng th\u00f4ng s\u1ed1; n\u1ed1i sai pha c\u00f3 th\u1ec3 tri\u1ec7t ti\u00eau \u0111i\u1ec7n \u00e1p ho\u1eb7c g\u00e2y d\u00f2ng l\u1edbn.<\/figcaption><\/figure>\n

          4. M\u1eafc flyback\/forward\/push-pull<\/h3>\n

          C\u00e1ch m\u1eafc ph\u1ee5 thu\u1ed9c topology ngu\u1ed3n xung, d\u1ea5u ch\u1ea5m pha v\u00e0 m\u1ea1ch k\u1eb9p; kh\u00f4ng thay bi\u1ebfn \u00e1p ch\u1ec9 theo k\u00edch th\u01b0\u1edbc.<\/p>\n

          \"S\u01a1
          S\u01a1 \u0111\u1ed3 c\u00e1ch m\u1eafc 4: M\u1eafc flyback\/forward\/push-pull \u2013 C\u00e1ch m\u1eafc ph\u1ee5 thu\u1ed9c topology ngu\u1ed3n xung, d\u1ea5u ch\u1ea5m pha v\u00e0 m\u1ea1ch k\u1eb9p; kh\u00f4ng thay bi\u1ebfn \u00e1p ch\u1ec9 theo k\u00edch th\u01b0\u1edbc.<\/figcaption><\/figure>\n<\/div>\n

          8. V\u00ed d\u1ee5 t\u00ednh to\u00e1n v\u00e0 \u1ee9ng d\u1ee5ng<\/h2>\n

          Bi\u1ebfn \u00e1p l\u00fd t\u01b0\u1edfng c\u00f3 N1\/N2 = 10, c\u1ea5p 220 V AC s\u1ebd cho kho\u1ea3ng 22 V AC kh\u00f4ng t\u1ea3i; \u0111i\u1ec7n \u00e1p th\u1ef1c t\u1ebf gi\u1ea3m theo t\u1ed5n hao v\u00e0 t\u1ea3i.<\/p>\n

          \"Bi\u1ebfn
          \u1ea2nh th\u1ef1c t\u1ebf 5: h\u00ecnh d\u1ea1ng, m\u00e3 nh\u1eadn d\u1ea1ng ho\u1eb7c ki\u1ec3u l\u1eafp c\u1ee7a Bi\u1ebfn \u00e1p xung v\u00e0 bi\u1ebfn \u00e1p ngu\u1ed3n<\/figcaption><\/figure>\n

          9. C\u00e1ch \u0111\u1ecdc m\u00e3 v\u00e0 datasheet<\/h2>\n

          \u0110\u1ecdc \u0111i\u1ec1u ki\u1ec7n \u0111o \u0111\u1ed9 t\u1ef1 c\u1ea3m, DCR, d\u00f2ng b\u00e3o h\u00f2a\/RMS, t\u1ed5n hao theo t\u1ea7n s\u1ed1, nhi\u1ec7t \u0111\u1ed9; v\u1edbi bi\u1ebfn \u00e1p \u0111\u1ecdc t\u1ef7 s\u1ed1, pinout, d\u1ea5u ch\u1ea5m pha v\u00e0 c\u00e1ch \u0111i\u1ec7n.<\/p>\n

          \"Bi\u1ebfn
          \u1ea2nh th\u1ef1c t\u1ebf 6: h\u00ecnh d\u1ea1ng, m\u00e3 nh\u1eadn d\u1ea1ng ho\u1eb7c ki\u1ec3u l\u1eafp c\u1ee7a Bi\u1ebfn \u00e1p xung v\u00e0 bi\u1ebfn \u00e1p ngu\u1ed3n<\/figcaption><\/figure>\n

          10. C\u00e1ch \u0111o v\u00e0 ki\u1ec3m tra tr\u00ean bo m\u1ea1ch<\/h2>\n
            \n
          1. \u0110o th\u00f4ng m\u1ea1ch v\u00e0 DCR<\/li>\n
          2. \u0110o \u0111\u1ed9 t\u1ef1 c\u1ea3m b\u1eb1ng LCR meter t\u1ea1i t\u1ea7n s\u1ed1 ph\u00f9 h\u1ee3p<\/li>\n
          3. Ki\u1ec3m tra ch\u1eadp v\u00f2ng b\u1eb1ng thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng<\/li>\n
          4. V\u1edbi bi\u1ebfn \u00e1p, x\u00e1c \u0111\u1ecbnh t\u1ef7 s\u1ed1 v\u00e0 c\u00e1ch \u0111i\u1ec7n \u1edf m\u1ee9c th\u1eed an to\u00e0n<\/li>\n<\/ol>\n

            K\u1ebft qu\u1ea3 \u0111o tr\u1ef1c ti\u1ebfp tr\u00ean bo c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi linh ki\u1ec7n m\u1eafc song song. Ch\u1ec9 nh\u1ea5c ch\u00e2n linh ki\u1ec7n khi thao t\u00e1c an to\u00e0n v\u00e0 th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft.<\/p>\n

            11. D\u1ea1ng h\u01b0 h\u1ecfng v\u00e0 nguy\u00ean nh\u00e2n<\/h2>\n

            D\u1ea5u hi\u1ec7u th\u01b0\u1eddng g\u1eb7p<\/h3>\n
              \n
            • \u0110\u1ee9t cu\u1ed9n<\/li>\n
            • Ch\u1eadp v\u00f2ng<\/li>\n
            • L\u00f5i n\u1ee9t ho\u1eb7c khe h\u1edf thay \u0111\u1ed5i<\/li>\n
            • B\u00e3o h\u00f2a s\u1edbm<\/li>\n
            • C\u00e1ch \u0111i\u1ec7n suy gi\u1ea3m<\/li>\n<\/ul>\n

              Nguy\u00ean nh\u00e2n c\u00f3 c\u01a1 s\u1edf k\u1ef9 thu\u1eadt<\/h3>\n
                \n
              • Qu\u00e1 d\u00f2ng ho\u1eb7c qu\u00e1 nhi\u1ec7t<\/li>\n
              • T\u1ea7n s\u1ed1 l\u00e0m vi\u1ec7c sai<\/li>\n
              • Xung \u00e1p<\/li>\n
              • Rung c\u01a1 h\u1ecdc<\/li>\n
              • \u1ea8m v\u00e0 l\u00e3o h\u00f3a c\u00e1ch \u0111i\u1ec7n<\/li>\n<\/ul>\n

                Kh\u00f4ng k\u1ebft lu\u1eadn linh ki\u1ec7n h\u1ecfng ch\u1ec9 t\u1eeb m\u00e0u s\u1eafc ho\u1eb7c \u1ea3nh b\u00ean ngo\u00e0i; c\u1ea7n k\u1ebft h\u1ee3p ph\u00e9p \u0111o, s\u01a1 \u0111\u1ed3 v\u00e0 \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh.<\/p>\n

                12. C\u00e1ch l\u1ef1a ch\u1ecdn linh ki\u1ec7n thay th\u1ebf<\/h2>\n
                  \n
                • \u0110\u1ed9 t\u1ef1 c\u1ea3m\/t\u1ef7 s\u1ed1 \u0111\u00fang<\/li>\n
                • D\u00f2ng, c\u00f4ng su\u1ea5t v\u00e0 t\u1ea7n s\u1ed1 ph\u00f9 h\u1ee3p<\/li>\n
                • DCR v\u00e0 b\u00e3o h\u00f2a kh\u00f4ng k\u00e9m<\/li>\n
                • \u0110\u00fang pha cu\u1ed9n d\u00e2y<\/li>\n
                • \u0110\u1ea1t y\u00eau c\u1ea7u c\u00e1ch \u0111i\u1ec7n v\u00e0 k\u00edch th\u01b0\u1edbc<\/li>\n<\/ul>\n

                  13. C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n

                  C\u00f3 th\u1ec3 \u0111o Bi\u1ebfn \u00e1p xung v\u00e0 bi\u1ebfn \u00e1p ngu\u1ed3n tr\u1ef1c ti\u1ebfp tr\u00ean bo m\u1ea1ch kh\u00f4ng?<\/h3>\n

                  C\u00f3 th\u1ec3 ki\u1ec3m tra s\u01a1 b\u1ed9 khi \u0111\u00e3 ng\u1eaft ngu\u1ed3n, nh\u01b0ng c\u00e1c nh\u00e1nh song song v\u00e0 linh ki\u1ec7n ph\u1ee5 tr\u1ee3 c\u00f3 th\u1ec3 l\u00e0m sai k\u1ebft qu\u1ea3. C\u1ea7n \u0111\u1ed1i chi\u1ebfu s\u01a1 \u0111\u1ed3 v\u00e0 t\u00e1ch m\u1ed9t ch\u00e2n khi c\u1ea7n \u0111o \u0111\u1ed9c l\u1eadp.<\/p>\n

                  C\u00f3 th\u1ec3 d\u00f9ng linh ki\u1ec7n c\u00f3 th\u00f4ng s\u1ed1 cao h\u01a1n \u0111\u1ec3 thay th\u1ebf kh\u00f4ng?<\/h3>\n

                  Kh\u00f4ng ph\u1ea3i th\u00f4ng s\u1ed1 n\u00e0o cao h\u01a1n c\u0169ng t\u1ed1t h\u01a1n. Linh ki\u1ec7n thay th\u1ebf ph\u1ea3i \u0111\u00fang ch\u1ee9c n\u0103ng, s\u01a1 \u0111\u1ed3 ch\u00e2n ho\u1eb7c ki\u1ec3u ch\u00e2n, tr\u1ecb s\u1ed1 ch\u00ednh, \u0111\u1eb7c t\u00ednh theo t\u1ea7n s\u1ed1\/nhi\u1ec7t \u0111\u1ed9, package v\u00e0 \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c.<\/p>\n

                  \n

                  T\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt d\u00f9ng \u0111\u1ec3 \u0111\u1ed1i chi\u1ebfu<\/h2>\n

                  Ph\u1ea7n c\u1ea5u t\u1ea1o, nguy\u00ean l\u00fd, th\u00f4ng s\u1ed1, c\u00e1ch m\u1eafc v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111o ki\u1ec3m trong b\u00e0i \u0111\u01b0\u1ee3c bi\u00ean so\u1ea1n tr\u00ean c\u01a1 s\u1edf c\u00e1c t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt n\u1ed9i b\u1ed9 d\u01b0\u1edbi \u0111\u00e2y. N\u1ed9i dung \u0111\u00e3 \u0111\u01b0\u1ee3c di\u1ec5n gi\u1ea3i b\u1eb1ng ti\u1ebfng Vi\u1ec7t cho m\u1ee5c \u0111\u00edch \u0111\u00e0o t\u1ea1o, kh\u00f4ng sao ch\u00e9p nguy\u00ean v\u0103n. \u1ea2nh ngu\u1ed3n ch\u1ec9 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o b\u00e0i sau khi \u0111\u00e3 ki\u1ec3m tra tr\u1ef1c quan v\u00e0 t\u1ea1o b\u1ea3n tr\u00ecnh b\u00e0y ti\u1ebfng Vi\u1ec7t; \u1ea3nh ch\u01b0a \u0111\u1ea1t y\u00eau c\u1ea7u ti\u1ebfp t\u1ee5c ch\u1ec9 d\u00f9ng \u0111\u1ec3 nghi\u00ean c\u1ee9u.<\/p>\n

                    \n
                  1. [1] Radar Technology Encyclopedia – 1998<\/strong> \u2014 trang 459.<\/li>\n
                  2. [2] DOE Fundamentals Handbook, Electrical Science vol 4<\/strong> \u2014 trang 39.<\/li>\n
                  3. [3] The Art of Electronics 2ed<\/strong> \u2014 trang 471.<\/li>\n
                  4. [4] Circuits for the Hobbyist<\/strong> \u2014 trang 56.<\/li>\n
                  5. [5] Radar Principles<\/strong> \u2014 trang 58.<\/li>\n
                  6. [6] Electrical Circuits<\/strong> \u2014 trang 2072.<\/li>\n
                  7. [7] Electrical Circuits<\/strong> \u2014 trang 776.<\/li>\n
                  8. [8] Circuit Analysis Theory And Practice<\/strong> \u2014 trang 5.<\/li>\n<\/ol>\n<\/section>\n

                    14. K\u1ebft lu\u1eadn<\/h2>\n

                    Mu\u1ed1n s\u1eed d\u1ee5ng Bi\u1ebfn \u00e1p xung v\u00e0 bi\u1ebfn \u00e1p ngu\u1ed3n \u0111\u00fang c\u00e1ch c\u1ea7n nh\u1eadn d\u1ea1ng \u0111\u00fang lo\u1ea1i, \u0111\u1ecdc \u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u, hi\u1ec3u c\u00e1ch m\u1eafc, t\u00ednh \u0111\u01b0\u1ee3c \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c, \u0111o ki\u1ec3m an to\u00e0n v\u00e0 ch\u1ecdn linh ki\u1ec7n thay th\u1ebf theo datasheet thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o h\u00ecnh d\u00e1ng.<\/p>\n","protected":false},"excerpt":{"rendered":"

                    T\u00ecm hi\u1ec3u Bi\u1ebfn \u00e1p xung v\u00e0 bi\u1ebfn \u00e1p ngu\u1ed3n: k\u00fd hi\u1ec7u, package, c\u00f4ng th\u1ee9c, c\u00e1c c\u00e1ch m\u1eafc trong m\u1ea1ch, c\u00e1ch \u0111o, l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 l\u1ef1a ch\u1ecdn linh ki\u1ec7n thay th\u1ebf.<\/p>\n","protected":false},"author":1,"featured_media":2069,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"class_list":["post-2080","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dien-tu"],"yoast_head":"\nBi\u1ebfn \u00e1p xung v\u00e0 bi\u1ebfn \u00e1p ngu\u1ed3n l\u00e0 g\u00ec? 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