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License: Public Domain

Published Time: 2022-04-08 21:25:57
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Description

HOME PROJECT WEBPAGE

http://pro-radio.ru/measure/3288/

Version

Just replaced 2x TL082 to 1x TL084... Added diode bridge on power supply.

3dt.png 3db.png 2dt.png 2db.png

PERFORMANCES

m1.jpg m2.jpg perf1.jpg perf2.jpg

design drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity
1 22k PR4 HELITRIM 329X 1
2 Listwa ARK2 PWR2,MXA,MXB LISTWA ARK2 3
3 5k PR1 HELITRIM 329X 1
4 1k PR2 HELITRIM 329X 1
5 Header-Female-2.54_1x2 JP1 HDR-1X2/2.54 1
6 TL431CP.5 U5 DIP8 1
7 PIC16F873A-I/SP U8 DIP-28_L34.6-W7.3-P2.54-LS10.2-BL 1
8 7805 U7 TO-220H 1
9 1N4148 D2 SOD-123_2PIN-L3.85-W1.70-L 1
10 220uF C11,C16 CAP-D6.3XF2.5 2
11 47uF C13 CAP-D6.3XF2.5 1
12 15uF C12 CAP-D3.0XF1.5 1
13 16x2 LCD (HD44780) U4 LCD1602 1
14 100n C3,C6,C8,C9,C10,C14,C15 C1206 7
15 22p C5,C7 C1206 2
16 ICL7660 U2 DIP-8 1
17 Header-Female-2.54_1x5 ISCP HDR-5X1/2.54 1
18 20MHz X1 HC-49S 1
19 POWERSUPPLY_DC21MMX PWR POWERSUPPLY_DC-21MM 1
20 2W10 BR1 BRIDGE-WOB 1
21 100R R1 1206R 1
22 180R R2 1206R 1
23 1k R3,R9,R10,R11,R12 1206R 5
24 360k R5 1206R 1
25 2k R6 1206R 1
26 10k R7,R8,R14,R15,R16,R19,R22,R25,R29 1206R 9
27 30k R13,R17,R20 1206R 3
28 3k R18,R21 1206R 2
29 560 R23,R24 1206R 2
30 62k R26,R27,R28 1206R 3
31 SWITCH-MOMENTARYPTH SET,PLUS,MINUS TACTILE-PTH 3
32 1N4007 D3,D1 DO-41_BD2.4-L4.7-P8.70-D0.9-RD 2
33 BC557B Q1 TO-92-3_L4.8-W3.7-P2.54-L 1
34 IRF530 Q2 TO-220_HORIZONTAL 1
35 4n3 C1,C2 RAD-0.2 2
36 XX4066 U1 DIP14 1
37 TL084 U10 DIP14 1
38 LM393 U9 DIP-8_LS7.62-L9.78-W6.60-PITCH2.54 1

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