Tag: Progress

  • New Project – Small PSU

    New Project – Small PSU

    A small board with a full floating PSU unit that includes a full wave rectifier with a Quasimodo snubber and a CRC or CLC filter The past few weeks I have been working on the PSU and regulator of my Technics SL1200 MK2 turntable, while migrating most of my old boards into KiCad. At first…

  • Evaluating PCB – General PSU v.0.3.2024.a

    Evaluating PCB – General PSU v.0.3.2024.a

    I received the boards a few days ago from Elecrow. I have been using them for a few years and I am pretty happy with the quality and the prices. I usually make my boards fit a 100x100mm square, so that I take advantage of their special prototyping pricing. This board was an opportunity to…

  • Simple jFet Preamplifier – jBoZ – Progress June 2024

    Simple jFet Preamplifier – jBoZ – Progress June 2024

    I made a few changes to the schematic and PCB. The biggest one was to create a jfet footprint that supports both DGS and DSG packages. The idea came from the PCBs designed by Passworks for the 2022 DIY front-end, published at diyaudio. Basically, it allows a plain 3-pin symbol for the schematics, and defines…

  • Technics SL1200 MK2 Regulator progress – Alpha version finalized

    Technics SL1200 MK2 Regulator progress – Alpha version finalized

    Version 0.3.2024.a is finalized and I have ordered some sample PCBs from elecrow. I have also assembled a first draft of a BOM, with parts that I either have or that I can easily order. I have also added some notes on the schematic. These can be shown on the HTML BOM file so that…