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동축케이블에 페라이트 비드 - 편집 역사
2026-04-26T09:44:35Z
이 문서의 편집 역사
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2022년 9월 5일 (월) 03:35에 Togotech님의 편집
2022-09-05T03:35:47Z
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">2022년 9월 5일 (월) 03:35 판</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l5" >5번째 줄:</td>
<td colspan="2" class="diff-lineno">5번째 줄:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li> [[RLC]]</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li> [[RLC]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><ol></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><ol></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><li>  </div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><li> <ins class="diffchange diffchange-inline">[[인덕터]]</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><ol></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><ol></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li> [[페라이트 비드]] - (원치않는 매우) 높은 주파수는 차단</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li> [[페라이트 비드]] - (원치않는 매우) 높은 주파수는 차단</div></td></tr>
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Togotech
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2022년 9월 5일 (월) 03:34에 Togotech님의 편집
2022-09-05T03:34:40Z
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">2022년 9월 5일 (월) 03:34 판</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l53" >53번째 줄:</td>
<td colspan="2" class="diff-lineno">53번째 줄:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li>공통모드 잡음 제거용</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li>공통모드 잡음 제거용</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><ol></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><ol></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"><li> [[E5060A B-H Z Analyzer]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"><gallery></ins></div></td></tr>
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<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">image:e5060a01_007_002.jpg</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></gallery></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li> [[HP 4380A]] 8-Port Test Set</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li> [[HP 4380A]] 8-Port Test Set</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><gallery></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><gallery></div></td></tr>
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Togotech
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2022년 3월 14일 (월) 08:30에 Togotech님의 편집
2022-03-14T08:30:15Z
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">2022년 3월 14일 (월) 08:30 판</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l35" >35번째 줄:</td>
<td colspan="2" class="diff-lineno">35번째 줄:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></ol></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></ol></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></ol></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></ol></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><li><del class="diffchange diffchange-inline">발견</del></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><li> <ins class="diffchange diffchange-inline">[[방향성 결합기]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"><ol></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"><li> [[R3765CH 3.8GHz 네트워크분석기 분해]], Advantest THD131 directional bridge</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"><gallery></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">image:r3765ch03_098.jpg | [[동축케이블에 페라이트 비드]]가 전체 길이 2/5정도로 설치되어 있다.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"></gallery></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"><li>반사파"만"을 측정하기 위한 브리지 </ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"><gallery></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">image:directional_coupler01_005.jpg</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"></gallery></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"><li> [[8960]] 무선 통신 테스트 세트, RF 프론트엔드</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"><gallery></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">image:8960_11_012.jpg | 분배기/결합기?</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">image:8960_11_023.jpg | [[동축케이블에 페라이트 비드]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"></gallery></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"></ol></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"><li>공통모드 잡음 제거용</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><ol></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><ol></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li> [[HP 4380A]] 8-Port Test Set</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li> [[HP 4380A]] 8-Port Test Set</div></td></tr>
</table>
Togotech
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Togotech: 새 문서: 동축케이블에 페라이트 비드 <ol> <li> 전자부품 <ol> <li> RLC <ol> <li> <ol> <li> 페라이트 비드 - (원치않는 매우) 높은 주파수는 차단 <ol...
2022-03-14T08:20:33Z
<p>새 문서: 동축케이블에 페라이트 비드 <ol> <li> <a href="/index.php/%EC%A0%84%EC%9E%90%EB%B6%80%ED%92%88" title="전자부품" data-bs-title="전자부품">전자부품</a> <ol> <li> <a href="/index.php/RLC" title="RLC" data-bs-title="RLC">RLC</a> <ol> <li> <ol> <li> <a href="/index.php/%ED%8E%98%EB%9D%BC%EC%9D%B4%ED%8A%B8_%EB%B9%84%EB%93%9C" title="페라이트 비드" data-bs-title="페라이트_비드">페라이트 비드</a> - (원치않는 매우) 높은 주파수는 차단 <ol...</p>
<p><b>새 문서</b></p><div>동축케이블에 페라이트 비드<br />
<ol><br />
<li> [[전자부품]]<br />
<ol><br />
<li> [[RLC]]<br />
<ol><br />
<li> <br />
<ol><br />
<li> [[페라이트 비드]] - (원치않는 매우) 높은 주파수는 차단<br />
<ol><br />
<li> [[슬리브L]]<br />
<ol><br />
<li> [[동축케이블에 페라이트 비드]] - 이 페이지<br />
</ol><br />
</ol><br />
</ol><br />
</ol><br />
</ol><br />
<li>기술<br />
<ol><br />
<li>용어: Coaxial Transmitting Chokes,<br />
<li>용도<br />
<ol><br />
<li>동축케이블의 외부차폐 도체로 흐르는 공통모드 전류(common mode current flow) 잡음을 억제한다.<br />
<ol><br />
<li>내부 신호에는 영향을 주지 않는다.<br />
</ol><br />
<li>다이폴 안테나와 같은 평형 안테나(balanced antenna)와 연결되는 케이블 지점에 위치시키면, 페라이트비드는 평형안테나 전류(balanced antenna current)를 불평형 동축 케이블 전류(unbalanced coaxial cable current)로 변환시킨다.<br />
<li>방향성 결합기<br />
</ol><br />
<li>구조적으로 딱딱한 케이블은 한 번만 통과할 수 있다. 더 높은 감쇠(임피던스)가 필요하면 비드 수를 늘린다.<br />
<ol><br />
<li>물론, 유연한 동축케이블인 경우 여러 번 통과시킬 수 있다. 임피던스 x16이 필요하다면 4번 통과시키면 된다. 턴수의 제곱에 비례한다.<br />
<li>턴수가 많아지면 공진주파수가 낮아지므로 높은 주파수 제거에는 불리하다.<br />
</ol><br />
</ol><br />
<li>발견<br />
<ol><br />
<li> [[HP 4380A]] 8-Port Test Set<br />
<gallery><br />
image:hp4380a_02_007.jpg | [[동축케이블에 페라이트 비드]]<br />
</gallery><br />
<li> [[E5060A Test Head]]<br />
<ol><br />
<li>전체 두 군데<br />
<gallery><br />
image:testhead01_010.jpg<br />
image:testhead01_011.jpg<br />
</gallery><br />
<li>Hcur 인가 케이블에서. 전류가 Hcur에서 인가되어 Lcur로 빠져가는데, 외부도체는 실드 역할만 하는데, 여기에 잡음이 들어오지 않게.<br />
<gallery><br />
image:testhead01_012.jpg<br />
image:testhead01_013.jpg<br />
</gallery><br />
<li>Lcur 측정 포트에서<br />
<gallery><br />
image:testhead01_014.jpg | 짧은 Lcur 포트, 외부실드로도 잡음이 들어오지 않게<br />
image:testhead01_015.jpg<br />
</gallery><br />
</ol><br />
<li>4338A Milliohmmeter에서, 1kHz 신호<br />
<gallery><br />
image:4338a01_014.jpg | cable A,B,C 3개만 사용. Lcur 포트 사용하지 않음<br />
</gallery><br />
<li> [[SMC 커넥터]]<br />
<ol><br />
<li>네트워크 분석기로 페라이트 [[슬리브L]] 유무에 따른 차이점을 측정했으나 발견하지 못함.<br />
<gallery><br />
image:rf_smc02_003.jpg | 페라이트 [[슬리브L]]이 있다.<br />
image:rf_smc02_004.jpg | 페라이트 [[슬리브L]]을 제거했다.<br />
image:rf_smc02_004_001.png | 차이점이 전혀 없다. - 실제 시스템 연결에서는 GND 라인의 잡음도 문제가 되므로 효과가 있을 것이다.<br />
</gallery><br />
</ol><br />
</ol><br />
</ol></div>
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