07.50.-e Electrical and electronic components, instruments, and techniques ( 0 Dok. )

• 07.50.Ek Circuits and circuit components (see also 84.30 Electronic circuits and 84.32 Passive circuit components) ( 0 Dok. )
• 07.50.Hp Electrical noise and shielding, interference ( 0 Dok. )
• 07.50.Ls Electrometers ( 0 Dok. )
• 07.50.Qx Signal processing electronics (see also 84.40.U - in radiowave and microwave technology) ( 0 Dok. )