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Standard

1.Easy to use and quick to get started

2.The process supports design scales of 300 devices or 1000 pads

3.Supports simple circuit simulation

4.For students, teachers, creators

Profession

1.Brand new interactions and interfaces

2.Smooth support for design sizes of over 5,000 devices or 10,000 pads

3.More rigorous design constraints, more standardized processes

4.For enterprises, more professional users

Ongoing

STD wAudio - qEQ

License: TAPR Open Hardware License

Mode: Editors' pick

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Update time: 2023-02-12 10:36:41
Creation time: 2021-01-19 21:59:39
Description

wAudio

Free project for audio systems.

 

 

qEQ - Equalizer with controls: Level, Frequency, BandWidth (or Q) and indicator

           - Level: +/- 20dB

           - Frequency: Low: 20Hz - 200Hz; Middle: 200Hz - 2kHz; High: 2kHz - 20kHz
           - BadWidth: 0,4 - 6 octave at 10dB 
           (original designet by Ethan Winner)

 

BUS:

Conector pins:
01-02 - GND
03-04 - +12V Indiciator source
05-06 - -12V Indiciator source
07-08 - -12V Audio source
09-10 - +12V Audio source
11-12 - GND
13-14 - Output audio signal
15-16 - Input audio signal

Created by Vladimir Visnovsky

(c) 2021 Lipany Slovakia

wwlado@gmail.com 

 

 

 

Design Drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity
1 15pF C14,C9 C0805 2
2 1N4148 D2,D3,D6,D5,D4 SOD-323_L1.8-W1.3-LS2.5-RD 5
3 100K R21 R0805 1
4 887K R26,R27 R0805 2
5 4.7nF C8,C7 C0805 2
6 6.8K R14 R0805 1
7 1K R23,R22,R24,R25 R0805 4
8 10 R33,R36,R34,R37,R35,R32 R0805 6
9 2x B50K P1,P2 R16148-1B-2-B50K 2
10 12.1K R29 R0805 1
11 68.1K R30 R0805 1
12 470nF C25,C24,C19,C20,C26,C22,C23,C21 C0805 8
13 330 R28 R0805 1
14 Header-Male-2.54_2x3 SW1,SW2 HDR-TH_6P-P2.54-V-R2-C3-S2.54 2
15 47K R15,R13,R12 R0805 3
16 B10k P3 RES-ADJ-TH_RK1631110U1Q 1
17 TL071 U3 SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL 1
18 5V1 ZD1 SOD-123_L2.8-W1.8-LS3.7-RD 1
19 BAT42W D1 SOD-123_L2.8-W1.8-LS3.7-RD 1
20 150 R18,R17,R16 R0805 3
21 LL509RGB M2E-004 LED PINHEADER1X4N 1
22 4.7K R31 R0805 1
23 1.8K R20 R0805 1
24 47uF/63V C27 CAP-TH_BD8.0-P3.50-D1.0-FD 1
25 330uF C15,C3,C4,C12,C13,C16,C17,C10,C11 CAP-TH_BD8.0-P3.50-D1.0-FD 9
26 5.6K R3,R4 R0805 2
27 Header-Male-2.54_2x8 X1 HDR-TH_16P-P2.54-V-M-R2-C8-S2.54 1
28 10K R10,R2,R7,R6,R5,R8,R9,R1,R11,R19 R0805 10
29 330nF C18 C0805 1
30 47nF C5,C6 C0805 2
31 1nF C1,C2 C0805 2
32 JRC4558D U1 SOP-8_L4.9-W3.9-P1.27-LS6.0-BL 1
33 RC4580 U5,U2 SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL 2
34 LM393 U4 SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL 1
35 1000uF C37,C36,C35,C34,C33,C32,C31,C30 CAP-TH_BD16.0-P7.50-D1.2-FD 8
36 BUS U6 2X8 1
37 0.47Ω R47,R46 RES-TH_BD4.5-L11.0-P15.00-D0.7 2
38 220 R49,R48 RES-TH_BD2.4-L6.3-P10.30-D0.6 2
39 100uF C39,C38 CAP-TH_BD8.0-P3.50-D1.0-FD 2
40 P6A D8,D9 R-6_BD9.1-L9.1-P17.00-D1.3-RD 2
41 100K R44,R45 RES-TH_BD2.4-L6.3-P10.30-D0.6 2
42 1N4002 D13,D10,D14,D11 DO-41_BD2.4-L4.7-P8.70-D0.9-RD 4
43 T3.15 F2,F1 FUSE-TH_L22.6-W9.0 2
44 470 R51,R50 RES-TH_BD2.4-L6.3-P10.30-D0.6 2
45 BZX55C5V1 ZD7,ZD6 DO-35_BD2.0-L4.0-P8.00-D0.5-FD 2
46 IRF3710 Q4 TO-220-3_L10.0-W4.5-P2.54-L 1
47 "-12V" LED2 LED-TH_BD3.8-P2.54-FD 1
48 "+12V" LED1 LED-TH_BD3.8-P2.54-FD 1
49 MPSA42 Q2 TO-92-3_L4.8-W3.7-P2.54-R 1
50 BD911 Q5 TO-220_VERTICAL 1
51 1K R54,R53,R55,R52 RES-TH_BD2.4-L6.3-P10.30-D0.6 4
52 BZX55C18 DZ9,DZ8 DO-14_BD3.6-L9.0-P12.00-D1.2-RD 2
53 1N5348BG DZ10,DZ11 DO-14_BD3.6-L9.0-P12.00-D1.2-RD 2
54 100nF C41,C40 CAP-TH_L6.5-W4.0-P5.00-D1.0 2
55 IRF5210 Q3 TO-220-3_L10.0-W4.5-P2.54-L 1
56 10kΩ R56,R40,R42,R43,R41,R57 RES-TH_BD4.5-L11.5-P15.50-D0.7 6
57 BD910 Q6 TO-220_VERTICAL 1
58 BC337G Q9,Q7 TO92-INLINE 2
59 BZX55C6V8 ZD4,ZD5,ZD2,ZD3 DO-35_BD2.0-L4.0-P8.00-D0.5-FD 4
60 Supply Audio P7 HDR-2X2/2.54 1
61 Supply Indicator P6 HDR-2X2/2.54 1
62 DG300-5.0-3P P5,P4 DS300-5.0-3P(NEKROKODIL) 2
63 BC327G Q10,Q8 TO92-INLINE 2
64 100uF C29,C28 CAP-TH_BD10.0-P5.00-D1.0-FD 2
65 GBJ2501 D7 KBJ_4P-L30.0-W4.6_KBJ15XX 1
66 10MΩ R38,R39 RES-TH_BD2.3-L6.5-P10.50-D0.5 2
67 MPSA94 Q1 TO-92-3_L4.8-W3.7-P2.54-R 1

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