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RAPTOR XLS 360

RAPTOR XLS 360

3D printer with a build volume of 360 x 360 x 360 mm designed and built from scratch
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Hi everyone, and welcome to my website!

My name is Andrzej Laczewski, or just Andrew in English. If you want to know more about me just click HERE

This website is mostly for documenting stuff that I do on my own in free time. Most of the posts are going to have something to do with: EE ( Analog, Digital, RF ), Mechanical Design, Software and other stuff like that. Sometimes I will aslo write Multidisciplinary posts that will have something in comon with each of these categories.

Always feel free to leave any comment, question and feedback in the posts down below.
RF Design
 
RF Design
Antenna Design
 
Antenna Design
Mechanical Design
 
Mechanical Design
Analog Design
 
Analog Design
Digital Design
 
Digital Design
PCB Design
 
PCB Design

Balun PCB (50Ω SE to 100Ω DIFF, 30 to 6000 MHz, TCM2-63WX+)

Andrzej 2025-07-24 2025-08-06Projects, RF One day projects 0
Balun PCB (TCM2-63WX+) - Assembled

In this post I will show you a very simple Balun PCB (TCM2-63WX+) with a transformer that converts single ended signals to differential signals. Baluns are very useful for many measurements and RF projects. RF engineering can quickly get very expensive (especially when you go…

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3D Printed Double Ridged Horn Antenna

Andrzej 2025-06-09 2025-08-06Projects, RF 3D printing, Antenna 0
3D Printed Double Ridged Horn Antenna - Final version - Assembled 10

Recently I have started a phased array FMCW radar project. I needed good antennas for this purpose but I haven’t decided which frequency to use yet. That’s why I have decided to choose a wideband antenna – I will be able to switch between different…

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Rigol DL3021A 4mm Banana Jack Adapter

Andrzej 2025-05-18 2025-05-19Mechanical, Projects One day projects 0
Rigol DL3021A 4mm Banana Jack Adapter - Assembled

In this short post I will show you a very useful accessory – Rigol DL3021A 4mm Banana Jack Adapter. The stock configuration of the Rigol DL3021A uses screw terminals which are quite painful to use and are not compatible with 4mm banana plugs of course.…

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DIY Soldering Fume Extractor (air purifier based)

Andrzej 2024-10-26 2024-10-28Mechanical, Projects 3D printing, One day projects 0
DIY Soldering Fume Extractor (Air Purifier Based) - Test with flux

Recently I have built a Bambu Lab X1C Fume Filtering System which is based on Xiaomi air purifier (link) . It came out that this air purifier works perfectly – there’s zero smell & PM2.5 sensor shows the value of 0 (when printing with ABS…

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Andrzej Laczewski