Tag: feedback loop

GX LII-2 – Lab Log: Bode Measurements with Reactive Loads and Fixture Limitations

Written by giux | Published on Aug 18, 2026 | No comments

GX LII-2 reactive-load Bode tests reveal fixture limits, repeatable phase rotation, and impedance-dependent measurement effects.

#A/B compensation #Bode measurements #capacitive loads #DUT impedance #feedback loop #FFT analysis #fixture limitations #frequency response #GNU Octave #GX LII-2 #injection point #injection transformer #Loop Gain #LTspice #oscilloscope measurements #phase measurement #phase rotation #reactive loads

Self-Built Injection Transformer: First Loop Gain Measurements and Calibration Test Bench

Written by giux | Published on Aug 11, 2026 | No comments

Self-built injection transformer for Bode and loop-gain measurements, with calibration bench, GNU Octave processing, and LTspice comparison.

#analog electronics #Bode plot #calibration bench #control loop #DIY transformer #EE13 core #electronics measurement #feedback loop #ferrite transformer #frequency response #frequency response measurement #function generator #injection transformer #laboratory instrumentation #Loop Gain #loop gain injection #loop gain measurement #LTspice #oscilloscope measurement #PC40 ferrite #power supply stability #signal injection #SPICE simulation