<html lang="en"><head><style>              .article-container {                width: 100%;                font-family: Microsoft JhengHei,Helvetica Neue,Helvetica,Arial,sans-serif;              }              ul, ol {                margin: 12px auto;                max-width: 740px;                color: #535150;                line-height: 1.8;                padding-left: 0px;              }              .graf--img {                display: table;                justify-content: center;                align-items: center;                text-align: center;                color: gray;                font-size: 14px;                letter-spacing: 0px;                margin: 10px auto 50px;                width: 100%;                position: relative;                clear: both;              }              .graf--img.center img {                width: 100%;                max-width: 740px;                margin: 10px auto 0px;                display: block;                margin: 0 auto; 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               padding: 1px 0.25rem;                font-family: Menlo, Consolas, Monaco, monospace;                font-size: 94%;              }            </style></head><body><div class="article-container"><h3 class="graf--h3" dir="ltr"><b><strong class="lexical__textBold" style="white-space: pre-wrap;">OP Preamplifier PCB Layout & Pictures</strong></b></h3><div class="graf--img center"><div class="lexical__imageWrapper"><img src="https://images.vocus.cc/d4a210b4-e28a-4c26-89f7-d5fdd5be2e59.gif" data-src="https://images.vocus.cc/d4a210b4-e28a-4c26-89f7-d5fdd5be2e59.gif" class="lazy" data-loaded="false" data-original-src="https://images.vocus.cc/d4a210b4-e28a-4c26-89f7-d5fdd5be2e59.gif" data-lowquality="false" data-width="794" data-height="487" data-retry="0" onerror="Number(this.dataset.retry) > 4 ? this.src='/static/default-error-img.svg': (() => {this.src=this.dataset.originalSrc; this.dataset.retry = Number(this.dataset.retry)+1;})()" data-istopthreeimage="false" alt="PCB 大小 110 mm x 90 mm，增加一些使用彈性，FET 可用 LS844 鐵殼包裝，DC-Servo 電容腳距加大，並可裝入 RIFA 4.7uF PP 電容做為電源旁路，此 OP 前級電路圖、零件數值與 Layout 皆是網友 KVL 兄的作品"></div><div class="captionTheme__wrapper"><p class="captionTheme__paragraph">PCB 大小 110 mm x 90 mm，增加一些使用彈性，FET 可用 LS844 鐵殼包裝，DC-Servo 電容腳距加大，並可裝入 RIFA 4.7uF PP 電容做為電源旁路，此 OP 前級電路圖、零件數值與 Layout 皆是網友 KVL 兄的作品</p></div></div><div class="graf--img center"><div class="lexical__imageWrapper"><img src="https://images.vocus.cc/85d328b7-383f-4428-9827-7ec2043a3174.gif" data-src="https://images.vocus.cc/85d328b7-383f-4428-9827-7ec2043a3174.gif" class="lazy" data-loaded="false" data-original-src="https://images.vocus.cc/85d328b7-383f-4428-9827-7ec2043a3174.gif" data-lowquality="false" data-width="754" data-height="621" data-retry="0" onerror="Number(this.dataset.retry) > 4 ? this.src='/static/default-error-img.svg': (() => {this.src=this.dataset.originalSrc; this.dataset.retry = Number(this.dataset.retry)+1;})()" data-istopthreeimage="false" alt="PCB 正面"></div><div class="captionTheme__wrapper"><p class="captionTheme__paragraph">PCB 正面</p></div></div><div class="graf--img center"><div class="lexical__imageWrapper"><img src="https://images.vocus.cc/e9df540c-dc9c-4d6f-89c8-1021c9e0076e.gif" data-src="https://images.vocus.cc/e9df540c-dc9c-4d6f-89c8-1021c9e0076e.gif" class="lazy" data-loaded="false" data-original-src="https://images.vocus.cc/e9df540c-dc9c-4d6f-89c8-1021c9e0076e.gif" data-lowquality="false" data-width="751" data-height="617" data-retry="0" onerror="Number(this.dataset.retry) > 4 ? this.src='/static/default-error-img.svg': (() => {this.src=this.dataset.originalSrc; this.dataset.retry = Number(this.dataset.retry)+1;})()" data-istopthreeimage="false" alt="PCB 背面"></div><div class="captionTheme__wrapper"><p class="captionTheme__paragraph">PCB 背面</p></div></div><div class="graf--img center"><div class="lexical__imageWrapper"><img src="https://images.vocus.cc/daeddbf5-8683-4f69-beee-fe314ebeb768.gif" data-src="https://images.vocus.cc/daeddbf5-8683-4f69-beee-fe314ebeb768.gif" class="lazy" data-loaded="false" data-original-src="https://images.vocus.cc/daeddbf5-8683-4f69-beee-fe314ebeb768.gif" data-lowquality="false" data-width="752" data-height="618" data-retry="0" onerror="Number(this.dataset.retry) > 4 ? this.src='/static/default-error-img.svg': (() => {this.src=this.dataset.originalSrc; this.dataset.retry = Number(this.dataset.retry)+1;})()" data-istopthreeimage="false" alt="零件位置"></div><div class="captionTheme__wrapper"><p class="captionTheme__paragraph">零件位置</p></div></div><div class="graf--img center"><div class="lexical__imageWrapper"><img src="https://images.vocus.cc/b807d8a7-55a4-482a-8755-f760a119497b.jpg" data-src="https://resize-image.vocus.cc/resize?norotation=true&quality=80&url=https%3A%2F%2Fimages.vocus.cc%2Fb807d8a7-55a4-482a-8755-f760a119497b.jpg&width=551&sign=iLrnbrW_p49XeycM5z08aAp9mpBmvKsZnhtOUGqn4tU" class="lazy" data-loaded="false" data-original-src="https://images.vocus.cc/b807d8a7-55a4-482a-8755-f760a119497b.jpg" data-lowquality="false" data-width="551" data-height="413" data-retry="0" onerror="Number(this.dataset.retry) > 4 ? this.src='/static/default-error-img.svg': (() => {this.src=this.dataset.originalSrc; this.dataset.retry = Number(this.dataset.retry)+1;})()" data-istopthreeimage="false" alt="PCB 正面照片"></div><div class="captionTheme__wrapper"><p class="captionTheme__paragraph">PCB 正面照片</p></div></div><div class="graf--img center"><div class="lexical__imageWrapper"><img src="https://images.vocus.cc/d159ab39-ec6e-446a-a85b-c9adcab291d2.jpg" data-src="https://resize-image.vocus.cc/resize?norotation=true&quality=80&url=https%3A%2F%2Fimages.vocus.cc%2Fd159ab39-ec6e-446a-a85b-c9adcab291d2.jpg&width=551&sign=zWAn0b9GtvQgy49s3Sf0JkH2oWnqrsOrbbZBH9Frh9g" class="lazy" data-loaded="false" data-original-src="https://images.vocus.cc/d159ab39-ec6e-446a-a85b-c9adcab291d2.jpg" data-lowquality="false" data-width="551" data-height="413" data-retry="0" onerror="Number(this.dataset.retry) > 4 ? this.src='/static/default-error-img.svg': (() => {this.src=this.dataset.originalSrc; this.dataset.retry = Number(this.dataset.retry)+1;})()" data-istopthreeimage="false" alt="PCB 背面照片"></div><div class="captionTheme__wrapper"><p class="captionTheme__paragraph">PCB 背面照片</p></div></div><p class="graf--p" dir="ltr"><br></p></div></body></html>

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OP Preamplifier PCB

<h3 class="lexical__h3" dir="ltr"><b><strong class="lexical__textBold" style="white-space: pre-wrap;">OP Preamplifier PCB Layout &amp; Pictures</strong></b></h3><div class="lexical__image center"><div class="lexical__imageWrapper"><img src="https://images.vocus.cc/d4a210b4-e28a-4c26-89f7-d5fdd5be2e59.gif" fetchpriority="high" data-src="https://images.vocus.cc/d4a210b4-e28a-4c26-89f7-d5fdd5be2e59.gif" data-loaded="true" data-original-src="https://images.vocus.cc/d4a210b4-e28a-4c26-89f7-d5fdd5be2e59.gif" data-lowquality="false" data-width="794" data-height="487" data-retry="0" onerror="Number(this.dataset.retry) > 4 ? this.src='/static/default-error-img.svg': (() => {this.src=this.dataset.originalSrc; this.dataset.retry = Number(this.dataset.retry)+1;})()" data-istopthreeimage="true" alt="PCB 大小 110 mm x 90 mm，增加一些使用彈性，FET 可用 LS844 鐵殼包裝，DC-Servo 電容腳距加大，並可裝入 RIFA 4.7uF PP 電容做為電源旁路，此 OP 前級電路圖、零件數值與 Layout 皆是網友 KVL 兄的作品"></div><div class="captionTheme__wrapper"><p class="captionTheme__paragraph">PCB 大小 110 mm x 90 mm，增加一些使用彈性，FET 可用 LS844 鐵殼包裝，DC-Servo 電容腳距加大，並可裝入 RIFA 4.7uF PP 電容做為電源旁路，此 OP 前級電路圖、零件數值與 Layout 皆是網友 KVL 兄的作品</p></div></div><div class="lexical__image center"><div class="lexical__imageWrapper"><img src="https://images.vocus.cc/85d328b7-383f-4428-9827-7ec2043a3174.gif" fetchpriority="high" data-src="https://images.vocus.cc/85d328b7-383f-4428-9827-7ec2043a3174.gif" data-loaded="true" data-original-src="https://images.vocus.cc/85d328b7-383f-4428-9827-7ec2043a3174.gif" data-lowquality="false" data-width="754" data-height="621" data-retry="0" onerror="Number(this.dataset.retry) > 4 ? this.src='/static/default-error-img.svg': (() => {this.src=this.dataset.originalSrc; this.dataset.retry = Number(this.dataset.retry)+1;})()" data-istopthreeimage="true" alt="PCB 正面"></div><div class="captionTheme__wrapper"><p class="captionTheme__paragraph">PCB 正面</p></div></div><div class="lexical__image center"><div class="lexical__imageWrapper"><img src="https://images.vocus.cc/e9df540c-dc9c-4d6f-89c8-1021c9e0076e.gif" fetchpriority="high" data-src="https://images.vocus.cc/e9df540c-dc9c-4d6f-89c8-1021c9e0076e.gif" data-loaded="true" data-original-src="https://images.vocus.cc/e9df540c-dc9c-4d6f-89c8-1021c9e0076e.gif" data-lowquality="false" data-width="751" data-height="617" data-retry="0" onerror="Number(this.dataset.retry) > 4 ? this.src='/static/default-error-img.svg': (() => {this.src=this.dataset.originalSrc; this.dataset.retry = Number(this.dataset.retry)+1;})()" data-istopthreeimage="true" alt="PCB 背面"></div><div class="captionTheme__wrapper"><p class="captionTheme__paragraph">PCB 背面</p></div></div><div class="lexical__image center"><div class="lexical__imageWrapper"><img src="https://images.vocus.cc/daeddbf5-8683-4f69-beee-fe314ebeb768.gif" data-src="https://images.vocus.cc/daeddbf5-8683-4f69-beee-fe314ebeb768.gif" class="lazy" data-loaded="false" data-original-src="https://images.vocus.cc/daeddbf5-8683-4f69-beee-fe314ebeb768.gif" data-lowquality="true" data-width="752" data-height="618" data-retry="0" onerror="Number(this.dataset.retry) > 4 ? this.src='/static/default-error-img.svg': (() => {this.src=this.dataset.originalSrc; this.dataset.retry = Number(this.dataset.retry)+1;})()" data-istopthreeimage="false" alt="零件位置"></div><div class="captionTheme__wrapper"><p class="captionTheme__paragraph">零件位置</p></div></div><div class="lexical__image center"><div class="lexical__imageWrapper"><img src="https://resize-image.vocus.cc/resize?norotation=true&amp;quality=1&amp;url=https%3A%2F%2Fimages.vocus.cc%2Fb807d8a7-55a4-482a-8755-f760a119497b.jpg&amp;width=551&amp;sign=DENE_eys89lrCgrPvz5eR9RlaKR3ZE4M_eUDLFLnh5A" data-src="https://resize-image.vocus.cc/resize?norotation=true&amp;quality=80&amp;url=https%3A%2F%2Fimages.vocus.cc%2Fb807d8a7-55a4-482a-8755-f760a119497b.jpg&amp;width=551&amp;sign=iLrnbrW_p49XeycM5z08aAp9mpBmvKsZnhtOUGqn4tU" class="lazy" data-loaded="false" data-original-src="https://images.vocus.cc/b807d8a7-55a4-482a-8755-f760a119497b.jpg" data-lowquality="true" data-width="551" data-height="413" data-retry="0" onerror="Number(this.dataset.retry) > 4 ? this.src='/static/default-error-img.svg': (() => {this.src=this.dataset.originalSrc; this.dataset.retry = Number(this.dataset.retry)+1;})()" data-istopthreeimage="false" alt="PCB 正面照片"></div><div class="captionTheme__wrapper"><p class="captionTheme__paragraph">PCB 正面照片</p></div></div><div class="lexical__image center"><div class="lexical__imageWrapper"><img src="https://resize-image.vocus.cc/resize?norotation=true&amp;quality=1&amp;url=https%3A%2F%2Fimages.vocus.cc%2Fd159ab39-ec6e-446a-a85b-c9adcab291d2.jpg&amp;width=551&amp;sign=cEjEXqLHAxNhvFf75qwCzmE52E6Jb1bgOhaUIBa3i9c" data-src="https://resize-image.vocus.cc/resize?norotation=true&amp;quality=80&amp;url=https%3A%2F%2Fimages.vocus.cc%2Fd159ab39-ec6e-446a-a85b-c9adcab291d2.jpg&amp;width=551&amp;sign=zWAn0b9GtvQgy49s3Sf0JkH2oWnqrsOrbbZBH9Frh9g" class="lazy" data-loaded="false" data-original-src="https://images.vocus.cc/d159ab39-ec6e-446a-a85b-c9adcab291d2.jpg" data-lowquality="true" data-width="551" data-height="413" data-retry="0" onerror="Number(this.dataset.retry) > 4 ? this.src='/static/default-error-img.svg': (() => {this.src=this.dataset.originalSrc; this.dataset.retry = Number(this.dataset.retry)+1;})()" data-istopthreeimage="false" alt="PCB 背面照片"></div><div class="captionTheme__wrapper"><p class="captionTheme__paragraph">PCB 背面照片</p></div></div><p class="lexical__paragraph" dir="ltr"><br></p>