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Std EditionVU- LM3916 TL081

Profile:This is a Vu-meter that uses the IC LM3916 and TL081.

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Published Time:2021-04-13 00:35:51
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Description

This is a Vu-meter that uses the IC LM3916 and TL081. TL081 is amplifing the signal based on the poosition of PR1 trimmer.

Documents

PCB_VU- LM3916 TL081

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ID Name Designator Footprint Quantity
1 VCC P2 HDR-1X2/2.54 1
2 LM3916N-1 U1,U4 DIP18 2
3 HL-304H3GD LED10,LED20,LED1,LED2,LED3,LED4,LED5,LED6,LED7,LED8,LED9,LED11,LED13,LED15,LED19,LED18,LED16,LED12,LED17,LED14 LED-TH_BD3.0-P2.54-FD 20
4 INL/R P1 HDR-TH_3P-P2.54-V 1
5 470nF C6,C7,C2,C3 RAD-0.2 4
6 100nF C4 RAD-0.2 1
7 180 R3,R9,R4,R10 R_AXIAL-0.5 4
8 1N4148 D6,D5,D2,D1 DO-35_BD2.0-L4.0-P8.00-D0.5-FD 4
9 470k PR2,PR1 RES-ADJ_3296W 2
10 1N4007 D3 DO-41 1
11 220uF/25V C1 CAP-D5.0×F2.0 1
12 TL081CP U3,U2 PDIP-8_L10.2-W5.9-P2.54-LS7.6-BL 2
13 Bar(on)/Dot(off) K2,K1 SWITCHSILICONE 2
14 430k R5,R8 R_AXIAL-0.4 2
15 4k7 R2,R11 R_AXIAL-0.4 2
16 10k R7,R6 R_AXIAL-0.4 2
17 1k R1,R12 R_AXIAL-0.4 2

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