|4030014||Current-to-current electrical isolator|
A current-to-current isolator is utilized in a monitoring system between a signal transmitter and a control room instrument. The isolator has a master oscillator, including a first transformer, a slave oscillator, a current transformer and a rectifying ci...
An electronic wattmeter (transducer) to measure the average power to a load or on an electric power line includes a current transformer, a voltage transformer and a power transformer, the primary coil of each transformer being connected to the power line....
|3959786||Isolated two-wire transmitter|
An isolated two-wire transmitter includes a regulated d.c. power supply having an astable multivibrator which generates isolated power supplies and input terminals which are connected to a first operational amplifier to thereby control a transistor in ord...