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  • Users: jabba99
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  1. jabba99

    MOSFET power supply issues debug request

    Hello guys, As I said in my previous request I'm fairly new to electronics. I was tasked to figure out the issue with this supply. Note it is part of a bigger schem. Here Q1 gets a PWM signal from an IC and the output voltage from the supply is fed to a TPS62120DCNR DCDC converter to get 3.3V...
  2. jabba99

    replicating an old circuit- unexpected voltage drop

    I'm fairly new to circuit design and i stumbled upon this old fashioned circuit everything is fine on the breadboard but i was surprised when i put it on the pcb that whenever i put a resistor parallel to the 10V line ( i need it for the rest of the circuit) the voltage drops to about 4V. I...

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