Предварительный усилитель на базе микросхем 174 серии

6 months ago 958
  • Description
  • Documents
  • BOM
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Description

Предварительный усилитель на базе к174ун12 с темброрегулятором на к174ун10.

Проект основан на статье: https://cxem.net/sound/soundpred/soundpred13.php

Documents

Принципиальная схема

Печатная плата Ver1.1

BOM

ID Name Designator Footprint Quantity
1 100n C1,C2 CAP-TH_L4.2-W3.8-P5.08-D0.5 2
2 15n C5,C8 CAP-TH_L4.2-W3.8-P5.08-D0.5 2
3 8200p C6,C7 CAP-TH_L4.2-W3.8-P5.08-D0.5 2
4 150n C13,C29,C30 CAP-TH_L4.2-W3.8-P5.08-D0.5 3
5 1800 C17,C18,C19,C20 CAP-TH_L4.2-W3.8-P5.08-D0.5 4
6 33n C23,C24 CAP-TH_L4.2-W3.8-P5.08-D0.5 2
7 10к R20,R21,R39,R41 RES-ADJ-TH_RK1631110TT3 4
8 AUDIO IN H1 HDR-TH_3P-P2.54-V 1
9 AUDIO OUT H2 HDR-TH_3P-P2.54-V 1
10 22k R1,R2 AXIAL-0.4 2
11 *33k R3,R4 AXIAL-0.4 2
12 270k R5,R6,R46,R47 AXIAL-0.4 4
13 18k R7,R18 AXIAL-0.4 2
14 33k R8,R17 AXIAL-0.4 2
15 12k R9,R16,R33,R34,R36,R37 AXIAL-0.4 6
16 560 R10,R15 AXIAL-0.4 2
17 10k R11,R14 AXIAL-0.4 2
18 120k R12,R13 AXIAL-0.4 2
19 *820 R19 AXIAL-0.4 1
20 *6.2k R22 AXIAL-0.4 1
21 *2.2k R23 AXIAL-0.4 1
22 *4.3k R24,R40,R42 AXIAL-0.4 3
23 39k R25,R26,R27,R28,R29,R30,R31,R32 AXIAL-0.4 8
24 180k R35,R38 AXIAL-0.4 2
25 24 R43,R48 AXIAL-0.4 2
26 620 R44,R45 AXIAL-0.4 2
27 К174УН12 U3 DIP-16_16P-L20.2-W6.6-P2.54-LS7.6-BL 1
28 100u C10 CAP-TH_BD6.3-P2.50-D1.0-FD 1
29 10u C11,C12,C25,C26,C27,C28 CAP-TH_BD5.0-P2.00-D0.8-FD 6
30 470u C14 CAP-D5.0XF2.0 1
31 1u C15,C16,C21,C22,C3,C4,C9 CAP-TH_BD5.0-P2.00-D0.8-FD 7
32 470u C31 CAP-TH_BD12.5-P5.00-D1.2-FD 1
33 К174УН10А U1 DIP16 1
34 POWER H3 HDR-2X1/2.54 1

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