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Mid Pass Filter

Lets Build This Mid Pass Filter

Hello Friends, in this post I make a Mid Pass Filter. You can use this MPF with any amplifier. For this MPF I have used NE5532 IC. But in place of NE5532 IC, you can also use TL072 or 4558D IC. In this MPF, you can only control the Mid frequency. For designing my PCB, I used EasyEda online software. Then I export the Gerber file (which you can download). And then I go to 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. PCBWay ( will deliver your PCB within 7-10 days.

After one week I received my PCB. You can see the PCB quality, it's awesome. I have ordered Yellow PCB. But you can choose your PCB color. PCBWay provides a total of 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 the first time at PCBWay, then you get a $5 discount coupon. So upload your Gerber today and get the best quality PCB.

Gerber File :-

PCB Layout & Schematic :-

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.

Testing Method After Complete This Mid Pass Filter

Check Voltages:- Check all Audio Output and Audio Input voltage. Here you get no voltages 0.00V. If you get same voltages, then connect this preamplifier to amplifier.

Power Supply:- Recommended Transformer 12-0-12V 750mA to 1A.

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