License

Public Domain

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A47 Headphone Amplifier

2 years ago 1292
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

Documents

A_47

A_47

BOM

ID Name Designator Footprint Quantity
1 100k R1,R6,R16,R21 RESISTOR SMALL 4
2 4.7k R2,R7,R11,R12,R17,R22,R26,R27 RESISTOR SMALL 8
3 10k R3,R8,R13,R18,R23,R28 RESISTOR SMALL 6
4 47 R4,R5,R9,R10,R19,R20,R24,R25 RESISTOR SMALL 8
5 0.47u C1,C2,C9,C10 MUSE ES 4
6 3.5mm_audio jack INPUT,OUTPUT,INPUT1,OUTPUT1 MJ‑352W‑0 4
7 1000u C5,C6,C11,C12 1AUTWE102M0 4
8 LED-3MM LED,LED1 LED-3MM/2.54 2
9 006P_9V 9V,1V 9V BATTERY 2
10 0.1u C3,C4,C7,C8,C13,C14,C15,C16 MMT50V0.1UF 8
11 33k R14,R15,R29,R30 RESISTOR SMALL 4
12 2-circuit opamp U1,U2,U3,U4,U5,U6 DIP8 SOCKET 6
13 2-unit volume VOLUME,VOLUME1,VOLUME2,VOLUME3 RD925S-QA1-A103 4

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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

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