Class-A Mosfet Headphone Amplifier

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STD Class-A Mosfet Headphone Amplifier

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16

Update time： 2021-08-15 14:59:20

Creation time： 2018-09-18 04:35:08

Description

**This is an experimental electronic circuit, without any warranty.** Class-A Mosfet Headphone Amplifier ![hpamp01.jpg](//image.easyeda.com/pullimage/RhVuwZmjtIhKkt2tczwa72c7cTTLtpswy4oSiLIJ.jpeg) ![hpamp02.jpg](//image.easyeda.com/pullimage/u5eKAzFKiGFc7HoEY6WzlGljDKWaHz6aq8AWUsgf.jpeg) [Piotr Sylwesiuk](https://plus.google.com/109581799567307387329)

Design Drawing

schematic diagram

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Headphone Amplifier
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PCB

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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity	Mounted
1	47R	R9,R10	AXIAL-0.8	2	Yes
2	15R	R11,R21,R12,R22	AXIAL-0.8	4	Yes
3	1k	R23,R24	AXIAL-0.8	2	Yes
4	IRF540NPBF	Q1,Q3,Q5,Q2,Q4,Q6	TO-220(TO-220-3)	6	Yes	C2566
5	51R	R15,R16	0805	2	Yes
6	0R	R7,R8	0805	2	No
7	100k	R5,R13,R6,R14	0805	4	Yes
8	27k	R1,R17,R2,R18	0805	4	Yes
9	1k	R3,R19,R4,R20	0805	4	Yes
10	22k	VR1,VR3,VR2,VR4	RM065-V1	4	Yes
11	7815T	U1,U2	TO220H	2	Yes
12	100n	C3,C13,C4,C14	1206	4	Yes
13	220u/25V	C5,C11,C6,C12		4	Yes
14	1000u/25V	C7,C8		2	Yes
15	1u	C9,C1,C10,C2	RAD-0.1	4	Yes
16	Header-Male-2.54_1x2	P2		1	Yes
17	Header-Male-2.54_1x3	P3		1	Yes
18	Header-Male-2.54_1x4	P1		1	Yes