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Active, Protect, Clip and Signal indicator.


Components

1. 2×47KΩ resistor 1/4W.
2. 4×10KΩ resistor 1/4W.
3. 2×4.7K-10KΩ resistor 2W.
4. 2×1N4007.
5. 2×Zener Diode 15V (1N4744) 1W.
6. 2×1N4148 Zener Diode.
7. 2×3 pin connecter base 2.54 mm.
8. 4×2 pin connecter base 2.54 mm.
9. 8×3mm-5mm LED.
10. 4×2N5551 Transistor.

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.



Schematic


Hello guys, in this post I make a Active, Protect, Clip, Signal indicator for power amplifier. This is dual channel indicator, so you can use this indicator up to 2000 Watts amplifier. Wiring diagram and PCB Layout are combined in pdf. So you can easily Download the PCB Layout and Gerber File for make this Indicator.

PCB From PCBWay



For designing my PCB, I used EasyEda online software. Then I export the Gerber file (which you can download). And then I go to www.pcbway.com for manufacturing my PCB. PCBWay are the largest PCB manufacturer in China. They offer Standard PCB, Advanced PCB, Rigid-Flex PCB, SMD-Stencil and PCB Assembly Service. Here you get, 100x100mm 2 Layer PCB only at $5, And processing time within 24 hour. And they distribute, worldwide. The more you order, the less price you have to pay.


You just need to upload the Gerber File, and select the quantity, color, silkscreen, thickness etc. Then select your country, and shipping method. And then Pay.


After 7 days I have received my PCB. You can see the PCB quality, it's awesome. I have ordered Blue color PCB. But you can choose your PCB color. PCBWay provide total 9 color solder mask - Green, Blue, Red, Purple, Black, White, Yellow, Matte Black and Matte Green. On PCBWay you can get 100x100mm 2 Layer PCB only at $5. Maximum size PCB you can get 500x1100mm. And maximum Layer is up to 14 Layers. And If you order PCB first time at PCBWay, then you get a $5 discount coupon. So upload your Gerber today and get best quality PCB.

How To Test This Indicator


After complete this indicator, connect it with any power amplifier. Then play 1KHz sine wave frequency on amplifier. And then check output signal on this indicator. Check all LED step by step, by increase or decrease resistance of input potentiometer.

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