LA 4440 - EasyEDA open source hardware lab

Ongoing

STD LA 4440

License: Public Domain

Mode: Editors' pick

Update time： 2022-12-03 17:19:47

Creation time： 2020-01-12 00:25:52

Description

AMPLIFIER

Design Drawing

schematic diagram

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PCB

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BOM

ID	Name	Designator	Footprint	Quantity
1	47u	C1,C3,C5,C17	CAP-D6.3XF2.5	4
2	0.047u	C2	RAD-0.3	1
3	220u	C4	CAP-D6.3XF2.5	1
4	100u	C6,C15	CAP-D6.3XF2.5	2
5	1000u	C7	CAP-D10.0XF5.0	1
6	0.1u	C8,C12,C13,C14	RAD-0.3	4
7	1000u	C9	CAP-D12.5XF5.0	1
8	100u	C10	CAP-D10.0XF5.0	1
9	1000u	C11	CAP-D10.0×F5.0	1
10	2.2u	C16,C18	CAP-D6.3XF2.5	2
11	0.47	C22	RAD-0.3	1
12	LED	D1	LED5MM	1
13	1N4007	D2,D3,D4	DO-41_BD2.4-L4.7-P8.70-D0.9-RD	3
14	IN5408	D6	IN5408	1
15	LA4440	IC1	LA4440	1
16	BC547	Q1	BC549C	1
17	BC549	Q2	BC549C	1
18	4.7	R1,R4	AXIAL-0.3	2
19	430	R2,R3	AXIAL-0.3	2
20	10	R5	AXIAL-0.3	1
21	100	R6,R11,R27	AXIAL-0.3	3
22	220k	R7	AXIAL-0.3	1
23	22k	R8	AXIAL-0.3	1
24	1.5k	R9,R28	AXIAL-0.3	2
25	100k	R10,R25	AXIAL-0.3	2
26	12k	R23	AXIAL-0.3	1
27	1k	R26,R30,R33	AXIAL-0.3	3
28	47k	R29	AXIAL-0.3	1
29	10k	R31	AXIAL-0.3	1
30	470	R32	AXIAL-0.3	1
31	820	R34	AXIAL-0.3	1
32	100k	RP1	RES-ADJ-TH_3386P	1
33	UM3561	U1	UM3561	1
34	7805	U2	TO220H	1
35	0V	U3	PCB CONNECTOR	1
36	12V	U4	PCB CONNECTOR	1
37	PCB connector	U5	PCB CONNECTOR	1
38	Connector 5 pins	U6,U10	5 PIN HEADER	2

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thusitha jayathilaka