Testing

Testing equipment:

  • Rohde & Schwarz RTB2004 (Fully unlocked)

  • JBC soldering iron

  • Siglent SDP 1168x

  • Sensepeek SP200 oscilloscope probe (200 MHz, 10:1)

  • RT-ZP03 probe (300MHz)

  • Segger J-Link

  • HP 34401A multimeter

testing enviroment

Testing shows that Everything seems to works fine, but there are few minor flaws:

  • Microcontroller can’t drive fully proberly FET, somewhere at 98% PWM, signal doesn’t go to zero voltage.

  • Some noise at FET gate when FAN is connected.

testing enviroment

Simple fix for first issue would be using FET driver chip, or use FET that has smaller gate capacitance.