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DC to DC converters are quite popular among electronic enthusiasts and are widely used within the industry. There are three major types of non-isolated DC to DC converters: buck, boost, and buck-boost. In this article/video, I used there major components such as the famous UC3843 chip, a power Schottky diode, and an N-Channel Mosfet to design a compact DC to DC boost converter. The input voltage could be as low as 9V that makes it suitable for a variety of applications, such as 12V to 18V conversion to power a laptop computer using a single 12V battery. I used Altium Designer 21 and SamacSys component libraries to design the schematic and PCB. The PCBs have been fabricated by the PCBWay in the green solder mask. Also, I examined the noise figure of the circuit using the Siglent SDS2102X Plus/SDS1104X-E oscilloscope and Siglent SDM3045X multimeter. So let’s get started! References Article: https://www.pcbway.com/blog/technology/DC_to_DC_Boost_Converter_using_UC3843.html : UC3843 Datasheet: https://www.ti.com/lit/ds/symlink/uc3843.pdf?HQS=ti-null-null-sf-df-pf-sep-wwe&ts=1626017670986&ref_url=https%253A%252F%252Fcomponentsearchengine.com%252F : MBR20100CT datasheet: https://www.diodes.com/assets/Datasheets/MBR20100C.pdf : IRFZ44 datasheet: https://componentsearchengine.com/Datasheets/2/IRFZ44EPBF.pdf : Altium Designer: Altium Designer - PCB Design Software : SamacSys Altium plugin: Altium Designer PCB Library - FREE - Footprints - Symbols - 3D Models : Supported SamacSys plugins: FREE Schematic Symbols & PCB Footprints - PCB Libraries - 3D : UC3843 schematic symbol, PCB footprint, 3D model: UC3843D8TR footprint, schematic symbol and 3D model by Texas Instruments : IRFZ44 schematic symbol, PCB footprint, 3D model: IRFZ44EPBF footprint, schematic symbol and 3D model by Infineon : MBR20100 schematic symbol, PCB footprint, 3D model: MBR20100CT-E1 footprint, schematic symbol and 3D model by Diodes Inc. : Siglent SDL1020X-E DC load: SDL1000X/X-E Series Programmable DC Electronic Loads | Siglent : Siglent SDS2102X Plus oscilloscope: https://siglentna.com/digital-oscilloscopes/sds2000xp/ : Siglent SDS1104X-E oscilloscope: SDS1000X-E Series Super Phosphor Oscilloscopes | Siglent