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Active Crossover

Components ᐅ
1. 6×100KΩ resistor 1/4W.
2. 10×200KΩ resistor 1/4W.
3. 5×150KΩ resistor 1/4W.
4. 6×2.2KΩ resistor 1/4W.
5. 2×3.3KΩ resistor 1/4W.
6. 2×1.8KΩ resistor 1/4W.
7. 2×4.7KΩ resistor 1/4W.
8. 2×15KΩ resistor 1/4W.
9. 2×10KΩ resistor 1/4W.
10. 2×1KΩ resistor 1/4W.
11. 1×680Ω resistor 1/4W.
12. 1×Led 3 mm.
13. 11×0.1uF (104) capacitor 50/100V.
14. 3×0.001uF (102) capacitor 50/100V.
15. 2×0.01uF (103) capacitor 50/100V.
16. 1×0.047uF (473) capacitor 50/100V.
17. 4×220pF (221) capacitor 50/100V.
18. 3×470pF (471) capacitor 50/100V.
19. 2×100pF (101) capacitor 50/100V.
20. 1×330pF (331) capacitor 50/100V.
21. 2×22pF (22) capacitor 50/100V.
22. 5×1uF capacitor 50/63V.
23. 1×4.7uF capacitor 50/63V.
24. 1×2.2uF capacitor 50/63V.
25. 4×IN4007 Diode.
26. 5×8 pin IC base/ socket.
27. 5×3 pin connecter base/ socket 2.54 mm.
28. 1×7815/7812 + voltage regulator.
29. 1×7915/7912 - voltage regulator.
30. 2×Single turn potentiometer 100K.
31. 4×Dual gang potentiometer 100K.
32. 2×2200uF capacitor 25V.


License ©Technical Mriganka. You can't use this PCB Layout and Gerber File for commercial purpose. You can use this PCB layout and Gerber file only for Educational and DIY projects.

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How to make PCB by ironing method ᐅ

For make PCB you need PCB layout. download the PCB layout and print it by laser printer on photo paper. Then cut the PCB layout. Then press the PCB layout by iron on copper clad board. Press the iron 10-15 minutes. Then leave the PCB for cool down 10 minutes. When the PCB will cool, put the PCB in water and move the PCB layout to copper clad board. Then put the PCB in ferric chloride [FeCl3+H2O] for etching 10-15 minutes. when etching was end, clean the PCB by water. Then make hole on PCB. And then press the upper side print of PCB. Now your PCB is ready, mount components by instruction.

How to test this Crossover

After complete this board don't forget to series light test. Check this board without OP-AMP.

If series light not glow, then put the OP-AMP to IC socket.

But before place OP-AMP, check per IC socket 4 no pin and 8 no pin (+ and - both). You get here 30V

For OP-AMP you can use - 4558D/ TL072/ TL082/ NE5532.

After place the OP-AMP, check three output and one input voltages. Here you get no voltages = 0.00V
If you get same voltages, then connect this crossover to amplifier.

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