License

Public Domain

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VU Meter 2.0

2 months ago 63
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
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Description

VU METER 20 LEDS STEREO COM LM3916. O input de audio deve ser derivado do LINE-OUT e nunca da saída do amplificador.

Documents

PCB_Design

Esquemático

BOM

ID Name Designator Footprint Quantity
1 220u C3 CAP-D6.3 1
2 1u C1,C2 CAP-D5.0×F2.0 2
3 LM3916N-1 U1,U2 DIP18 2
4 DRILL-3.5MMDRILL=3.5MM G$1,G$2,G$3,G$4 DRILL-3.5MM_DRILL=3.5MM 4
5 -20db LED1,LED11 LED-TH_BD3.0_GREEN 2
6 -10db LED2,LED12 LED-TH_BD3.0_GREEN 2
7 -7db LED3,LED13 LED-TH_BD3.0_GREEN 2
8 -5db LED4,LED14 LED-TH_BD3.0_GREEN 2
9 -3db LED5,LED15 LED-TH_BD3.0_GREEN 2
10 -1db LED6,LED16 LED-TH_BD3.0_GREEN 2
11 0db LED7,LED17 LED-TH_BD3.0_GREEN 2
12 +1db LED8,LED18 LED-TH_BD3.0_GREEN 2
13 Power LED21 LED-TH_BD3.0_GREEN 1
14 L J2 HDR-M-2.54_1X1 1
15 GND J1,J3,J5 HDR-M-2.54_1X1 3
16 R J4 HDR-M-2.54_1X1 1
17 VCC J6 HDR-M-2.54_1X1 1
18 +2db LED9,LED19 LED-TH_BD3.0_RED 2
19 +3db LED10,LED20 LED-TH_BD3.0_RED 2
20 Dot/Bar U0 HDR-M-2.54_1X2 1
21 1N4007 D1,D2 DO-41_BD2.4-L4.7-P8.70-D0.9-RD 2
22 1k R7 R_AXIAL-0.4 1
23 100k R1,R4 R_AXIAL-0.4 2
24 2k7 R2,R3,R6,R5 R_AXIAL-0.4 4

Attachments

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