繼上次感應燈電路後，本篇要帶各位設計雙面板電路
這次選的是利用LM386晶片做一個簡易的擴大機，下圖為參考電路圖。本篇目標是做出一雙聲道電路。
| 作者/攝影 | 偉和 |
| 時間 | 20分鐘 |
| 成本 | 100元 |
| 難度 | * * * * |
| 材料表 |
|
Image may be NSFW.
Clik here to view.
1.新增元件Misc>Net
Image may be NSFW.
Clik here to view.
2.選擇NET_8
Image may be NSFW.
Clik here to view.
3.按下OK後放置「元件放置區」任一區域中
Image may be NSFW.
Clik here to view.
4.新增元件Source>GROUND
Image may be NSFW.
Clik here to view.
5.將GROUND接於晶片的第2、4腳位
Image may be NSFW.
Clik here to view.
6.新增元件Basic>POTENTIOMETER>10k，Package選則Generic/LIN POT
Image may be NSFW.
Clik here to view.
7.新增2個元件Basic>CAP_ELECTROLIT>100μ，Package選擇IPC-2221A/2222 /CAPPR250-800X1150
Image may be NSFW.
Clik here to view.
8.將可變電阻（R1）中間腳位接至晶片第3腳位，C1電容正極接於晶片第7腳位，C2電容正極接於晶片第一腳位、負極接於晶片第8腳位
Image may be NSFW.
Clik here to view.
9.新增2個元件Basic>CAPACITOR>470n，Package選擇IPC-2221A/2222 /CAPPR254-500X310X650
Image may be NSFW.
Clik here to view.
10.分別接於晶片的第5、6腳位
Image may be NSFW.
Clik here to view.
11.新增元件Basic>RESISTOR>10，Package選擇IPC-2221A/2222 /RES1300-700X250
Image may be NSFW.
Clik here to view.
12.接於C4後面
Image may be NSFW.
Clik here to view.
13.將GROUND分別接於C1、C3、R2後
Image may be NSFW.
Clik here to view.
14.於C1上方接上VCC
Image may be NSFW.
Clik here to view.
15.新增個元件Basic>CAPACITOR>1μ，Package選擇IPC-2221A/2222 /CAPPR1000-2200X2500
Image may be NSFW.
Clik here to view.
16.對元件按下右鍵選擇Properties，更改數值從1μ→1000μ
Image may be NSFW.
Clik here to view.
17.接於晶片第5腳位
Image may be NSFW.
Clik here to view.
18.新增接頭其中一隻接於C5電容的負極，另一隻接上Ground
Image may be NSFW.
Clik here to view.
19.將剛完成的部分複製一個並至於下方
Image may be NSFW.
Clik here to view.
20.新增一個1X3HDR分別接上R1、R3、Ground
Image may be NSFW.
Clik here to view.
21.新增一個1X2HDR並接上VCC及Ground，作為電源接頭使用
Image may be NSFW.
Clik here to view.
22.設計完畢後，接下來要將電路圖轉成PCB：
Transfer→Transfer to Ultiboard→Transfer to Ultiboard 14.0
Image may be NSFW.
Clik here to view.
23.先簡易的將元件區分為2部分
Image may be NSFW.
Clik here to view.
24.再將其中一部分排列完畢
Image may be NSFW.
Clik here to view.
25.另一邊即可按照已排完的樣式再做一次排列，最後將元件整理並排列整齊
Image may be NSFW.
Clik here to view.
26.將外框縮小至合理大小
Image may be NSFW.
Clik here to view.
27.按下快速佈線後即完成
Image may be NSFW.
Clik here to view.
28.最後可以送給廠商，或者自行將電路製作出來～
Image may be NSFW.
Clik here to view.
相關文章：