LM3916 VU-Meter

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STD LM3916 VU-Meter

License: Public Domain

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Update time： 2023-02-04 19:48:04

Creation time： 2020-11-16 18:47:50

Description

This is a stereo 2x10LED VU-meter using IC LM3916.

Design Drawing

schematic diagram

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PCB

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BOM

ID	Name	Designator	Footprint	Quantity
1	VCC	P2	HDR-1X2/2.54	1
2	LM3916N-1	U1,U2	DIP18	2
3	100K	R4,R8	RES-TH_BD2.4-L6.3-P10.30-D0.6	2
4	1M	R5,R7	RES-TH_BD2.4-L6.3-P10.30-D0.6	2
5	HL-304H3GD	LED18,LED11,LED12,LED1,LED2,LED3,LED4,LED5,LED6,LED7,LED8,LED9,LED10,LED13,LED14,LED20,LED19,LED15,LED17,LED16	LED-TH_BD3.0-P2.54-FD	20
6	INL/R	P1	HDR-TH_3P-P2.54-V	1
7	10uF	C2,C3	CAP-TH_BD6.3-P2.50-D1.0-FD	2
8	1K	R2,R9	RES-TH_BD2.4-L6.3-P10.30-D0.6	2
9	180	R14,R13,R12,R11	R_AXIAL-0.5	4
10	1N4148	D2,D1	DO-35_BD2.0-L4.0-P8.00-D0.5-FD	2
11	100nF	C4,C1	RAD-0.2	2
12	20K	R3,R6	RES-ADJ-TH_3323P	2
13	BC558B	Q1,Q2	TO-92-3_L4.9-W3.7-P1.27-L	2
14	Bar(on)/Dot(off)	K2,K1	SWITCHSILICONE	2
15	10K	R10,R1	RES-TH_BD2.4-L6.3-P10.30-D0.6	2