Educational

eevblog forum related, Kunkin, KP184, investigation eevblog forum related, Kunkin, KP184, investigation
My version of ESI shorting bars to be used with ESI SR1010 resistance transfer standard and parallel compensating network.
Article describing my old design: femtoampere test source. New, better solution- soon!
Short repair report of Tektronix 7603. Created few years ago...
Triple fluxgate magnetic sensor - a part of avionics used on some USSR aircraft. Test condition: Excitation 1kHz; 8V RMS ; 0,4A RMS  ; output signal ca. 1Vpp....
Tektronix 485 oscilloscope
An article describing the process of bringing back to life an old TEK 485 oscilloscope. Enjoy reading.
An article showing results of some measurements.   Quite helpful not only  for the analog circuits designer. Enjoy reading.   
sectioned HV transformer
Another part of an electronic porn. Enjoy reading.