A47 Headphone Amplifier

2 years ago 1671
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments






ID Name Designator Footprint Quantity Manufacturer Part Mounted
1 100k R1,R6 RESISTOR SMALL 2 ? Yes
2 4.7k R2,R7,R11,R12 RESISTOR SMALL 4 ? Yes
3 10k R3,R8,R13 RESISTOR SMALL 3 ? Yes
4 47 R4,R5,R9,R10 RESISTOR SMALL 4 ? Yes
5 0.47u C1,C2 MUSE ES 2 ? Yes
6 3.5mm_audio jack INPUT,OUTPUT MJ‑352W‑0 2 3.5mm audio jack Yes
7 1000u C5,C6 1AUTWE102M0 2 ? Yes
8 LED-3MM LED LED-3MM/2.54 1 204-10UYC/S530-A3 Yes
9 006P_9V 9V 9V BATTERY 1 006P 9V Yes
10 0.1u C3,C4,C7,C8 MMT50V0.1UF 4 ? Yes
11 33k R14,R15 RESISTOR SMALL 2 ? Yes
12 2-circuit opamp U1,U2 DIP8 SOCKET 2 2 circuit op amp Yes
13 2-unit volume VOLUME RD925S-QA1-A103 1 ? Yes




The owner does not allow comments in this project now

Comments (4)

Daffa Arham Reply

what opamp should i use for this pcb ??? reply please

sugach2 Reply

@farijaze69 I think that Opeamp with FET input such as OPA 2134, OPA 2604 is good.

imasok1 Reply

Hi sugach2,
I just wanted to say "Thank You" for your project.....imasok1.

tung pham Reply

THank you very much, can i ask is both side GND necessery ? or i can use only 1 side for gnd

你现在访问的是EasyEDA海外版,使用建立访问速度更快的国内版 https://lceda.cn(需要重新注册)
如果需要转移工程请在个人中心 - 工程 - 工程高级设置 - 下载工程,下载后在https://lceda.cn/editor 打开保存即可。
有问题联系QQ 3001956291 不再提醒
svg-battery svg-battery-wifi svg-books svg-more svg-paste svg-pencil svg-plant svg-ruler svg-share svg-user svg-logo-cn svg-double-arrow
We use cookies to offer you a better experience. Detailed information on the use of cookies on this website is provided in our Privacy Policy. By using this site, you consent to the use of our cookies.