voltage source voltage measurement
Controlled source audio magnetotelluric method
Controlled Source Audio-frequency Magnetotelluric
Controlled Source Audio-frequency Magnetotellurics
controlled source electromagnetic method
controlled source induced polarization
current controlled source
Marine controlled source electromagnetic
voltage controlled attenuator
voltage controlled oscillator
voltage controlled oven-controlled crystal oscillator (VCOCXO)
AC power source voltage regulator
adjustable voltage source
constant voltage source
current-controlled voltage source
equivalent voltage source