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LM339 VU Meter

1 year ago 66
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Description

Another attempt at a good VU/power meter WITHOUT using an Microcontroller.

Documents

Sheet_1

NEW_PCB

BOM

ID Name Designator Footprint Quantity BOM_Manufacturer Part
1 Header-Female-2.54_1x2 P3 HDR-1X2/2.54 1 2.54-1*2PFemale
2 1N4148 D1,D2 DO-35 2 1N4448
3 1uF C2,C1 CAP-D5.0XF2.0 2 ?
4 Header-Male-2.54_1x3 H1 HDR-TH_3P-P2.54-V 1 Header2.54mm 1*3P
5 100uF C4 CAP-D10.0XF5.0 1 ?
6 L7805ABV U5 TO-252-3_3PIN-L6.85-W6.70-PITCH2.40-L 1 L7805ABV
7 0.1uF C3 RAD-0.1 1 ?
8 10K R18,R37 RES-ADJ_CT-94EW 2 3386P-1-101LF
9 3K R29,R10 AXIAL-0.3 2 ?
10 1k R17,R7,R6,R5,R13,R1,R20,R21,R4,R23,R24,R25,R26,R27,R8,R32,R36,R3,R2,R22 AXIAL-0.3 20 ?
11 100K R19,R38 AXIAL-0.3 2 ?
12 18K R9,R28 AXIAL-0.3 2 ?
13 2.2K R11,R30 AXIAL-0.3 2 ?
14 1.6K R12,R31 AXIAL-0.3 2 ?
15 820 R14,R33 AXIAL-0.3 2 ?
16 620 R15,R34 AXIAL-0.3 2 ?
17 390 R35,R16 AXIAL-0.3 2 ?
18 LED-3MM LED5,LED14,LED16,LED8,LED7,LED10,LED6,LED13,LED15,LED12,LED4,LED11,LED3,LED2,LED1,LED9 LED-3MM/2.54 16 204-10SURD/S530-A3
19 LM339N U1,U2,U3,U4 DIP-14 4 STMicroelectronics

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