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STD PreAmpli Tape head Lecture

License: Public Domain

Mode: Editors' pick

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Update time: 2020-11-24 14:04:21
Creation time: 2020-01-29 19:46:11
Description
this circuit designed to amplifire the signal get from cassettes
Design Drawing
schematic diagram
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PCB
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ID Name Designator Quantity
1 Transformer_AUDIO T1 1
2 MMBT3904LT3 Q1,Q2 2
3 1u C7 1
4 20u C8 1
5 Out_Signal P1 1
6 TRANSISTOR-NPN Q3 1
7 47k R1 1
8 470 R2 1
9 1k R3,R5,R10 3
10 27k R4 1
11 82k R6 1
12 4k7 R7 1
13 15k R8 1
14 3.7k R9 1
15 1X4-BIG CN1 1
16 10µ C1,C3,C5 3
17 100µ C2,C6 2
18 470µ C4 1
19 100uF C01,C0S 2
20 J3Y_S8050_SMD_NPN_TRANSISTOR U1 1
21 RESISTOR-SMD R01,R02,R0C,R0E 4

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