Teardown & Repair of a Stanford Research PS350 5000V, 25W High Voltage Power Supply
https://www.electronics-lab.com/teardown-repair-of-a-stanford-research-ps350-5000v-25w-high-voltage-power-supply/
In this episode Shahriar repairs a Stanford Research Systems Model PS350 5000V-25W High Voltage Power Supply. The unit continuously displays 2.5kV without the output being enabled and produces no output voltage. Verification of power supply voltages reveals the issue is linked to a disconnected 15V voltage regulator IC. After the repair, the output voltage is […]
Hardware Protection – OverVoltage and OverCurrent
https://www.electronics-lab.com/hardware-protection-overvoltage-and-overcurrent/
Maurizio @ dev.emcelettronica.com discuss about the different aspects of protecting power supplies from overvoltage and overcurrent. Power processing is one of the most important aspects on electronic design. The power is unique for a typical system because it gives the system life. Before starting to make the project for a power supply we need to analyze […]
Laser Diode Driver
https://www.electronics-lab.com/laser-diode-driver/
Laser Diode Driver project will help you safely drive (constant current) a 3 mW visible Laser Diode for your application. Input supply – 2.5 to 6 VDC Onboard preset to adjust the current flow to the Laser Diode Power-On LED indicator Header connector for easy input supply and LASER DIODE module connection Laser diode is […]
Triacs – How to calculate power and predict Tjmax
https://www.electronics-lab.com/triacs-how-to-calculate-power-and-predict-tjmax/
An application note from NXP on how to calculate the power dissipated by the triac: This Application Note describes how to calculate the power dissipation for triacs and Silicon Controlled Rectifiers. Thermal calculations are also included to help the circuit designer to predict the maximum junction temperature or calculate the required heatsink thermal resistance. Four […]
Get a constant +5V output by switching between a +5V input and a single-cell LI+ rechargeable cell
https://www.electronics-lab.com/get-a-constant-5v-output-by-switching-between-a-5v-input-and-a-single-cell-li-rechargeable-cell/
App note from Maxim Integrated on providing smooth power from two sources. Link here (PDF) Design provides a simple method for maintaining an uninterrupted +5V even while switching between the external +5V supply and a rechargeable single-cell Li+ battery. Get a constant +5V output by switching between a +5V input and a single-cell LI+ rechargeable cell […]