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Std EditionLM3915 UA741 Vu-meter

Profile:This is a Vu-meter that uses the IC LM3915 and UA741.

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Published Time:2021-04-14 23:59:18
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Description

This is a Vu-meter that uses the IC LM3915 and UA741. UA741 is amplifing the signal based on the poosition of PR1 trimmer.

Documents

PCB_LM3915 UA741 Vu

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ID Name Designator Footprint Quantity
1 VCC P2 HDR-1X2/2.54 1
2 HL-304H3GD LED10,LED6,LED20,LED19,LED18,LED17,LED16,LED5,LED4,LED3,LED15,LED7,LED2,LED14,LED13,LED12,LED11,LED9,LED8,LED1 LED-TH_BD3.0-P2.54-FD 20
3 INL/R P1 HDR-TH_3P-P2.54-V 1
4 220nF C8,C1 RAD-0.2 2
5 1uF C3,C7 RAD-0.2 2
6 100nF C2 RAD-0.2 1
7 LM3915N-1 U1,U4 DIP18 2
8 UA741IN U3,U2 DIP8 2
9 68/1W R10,R7 R_AXIAL-0.5 2
10 1N4148 D4,D1,D3,D2 DO-35_BD2.0-L4.0-P8.00-D0.5-FD 4
11 220k PR2,PR1 RES-ADJ_3296W 2
12 220uF C5 CAP-TH_BD8.0-P3.50-D1.0-FD 1
13 Z6V2 ZD2,ZD1 DO-35_BD2.0-L4.0-P8.00-D0.5-FD 2
14 47uF C4,C6 CAP-D5.0×F2.0 2
15 Bar(on)/Dot(off) K2,K1 SWITCHSILICONE 2
16 47k R2,R1,R15,R16 R_AXIAL-0.3 4
17 1k R8,R9 R_AXIAL-0.3 2
18 2k2 R6,R11 R_AXIAL-0.3 2
19 470k R4,R13 R_AXIAL-0.3 2
20 330 R3,R14 R_AXIAL-0.3 2
21 10k R5,R12 R_AXIAL-0.3 2

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