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Search results: 2,188   Output: 1-10
  1. Pete Back Shed This project demonstrates magnetic levitation. It's a fun and educational project. Magnet Levitation I seen a gadget that had a magnet levitating in mid air, and started to wonder how it was done, so decided to test a few ...
    Circuits » Allegro » UGN3503U
  2. Lyle Williams EDN The idea of using a super-regenerative radio to receive commercial FM stations can be found at various locations on the Internet. Because the circuit is so small, it might be impressive to lab visitors, especially to children. But ...
    Circuits » Radio » NXP » BF245
  3. Chee Hua How EDN This Design Idea demonstrates a way to adjust the output voltage of a power supply, for OVP/UVP testing, margin-testing the load, voltage programmability, or any other reason. The circuit in Figure 1 is capable of bidirectional ...
    Circuits » Supply · Power » Analog Devices » AD623, AD5220, AD8276
  4. JB Castro-Miguens, C Castro-Miguens EDN Protect circuits from high current until a capacitor charges A high-power offline supply is nothing more than a half- or full-bridge dc/dc converter. Rectifying the ac line yields a dc voltage that feeds the ...
  5. Jon Munson, Linear Technology Design Note 513 Introduction Accurately measuring voltages requires minimizing the impact of the instrument connection to the tested circuit. Typical digital voltmeters (DVMs) use 10 M resistor networks to keep loading ...
    Circuits » Analogue Design · High Voltage · Measurement » Linear Technology » LTC6090, LT5400, LT6654, LT8300, CMHZ4697
  6. Steve Hageman EDN In the old days every instrument or system had a power supply board with discrete, homemade regulators on it to power the system. Then IC's like the LM7805 series of voltage regulators changed everything. No longer were system ...
  7. Part 1 Software The software for the datalogger is download section (PIC_DATALOG_V00d). I use Mikroc Pro PIC compiler from mikroElektronika , the libraries of this compiler are great! Especially the FAT32 library, it allows to manage the micro SD ...
  8. Part 1 - Hardware: Schematic, PCB and case. Hi all! I’m continuing here with the last board I design and now I’m continuing testing. It’s a battery-powered small datalogger based on a PIC18F2620 microcontroller (Figure 1). The ...
  9. Alan Adamsky Electronic Design The two battery-simulator circuits described here can help you quickly test a battery charger under a normal battery condition and an over-discharged battery condition. The circuits let you set any voltage to see how ...
    Circuits » Measurement · Power » Texas Instruments » LM431, IRFP3703, MTW24N40
  10. Jesus Rosales, Linear Technology Design Note 545 Introduction Industrial, telecom, medical and automotive applications use a wide variety of regulated voltages to operate effectively, including high voltage and negative rails. When the designer is ...
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