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Ground Current Monitor Circuits

 

Last Updated: December 31, 2017 06:49 AM


Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

Cheap pushbutton replaces rotary switch -  26-Oct-00 EDN-Design Ideas The problem of setting any one of four modes of aC-operated process has a straightforward solution  Have the C check the states of some 4 bits of aC.   __ Circuit Design by Abel Raynus, Armatron International Inc, Melrose, MA

Transmitter Accurately Transfers Voltage Input -  15-May-03 EDN-Design Ideas When you connect remote sensors to a central process controller, a simple, robust, and commonly used interface is the 4- to 20-mA loop.  The advantages of this current loop include the simplicity of just two twisted wires that share both power and signal, the loop's high noise immunity in harsh environments, and the de facto loop standard within the process-control industry__ Circuit Design by Clayton Grantham, National Semiconductor, Tucson, AZ

 

 

Voltage reference improves JFET -  26-Oct-00 EDN-Design Ideas The common JFET current-source in Figure 1a has average output impedance and depends heavily on the JFET's VP and IDSS variations.  These manufacturing variations limit the initial accuracy of the current setpoint that the circuit can obtain with a fixed R1.  Most users of JFET current-sources sample VPPDF has several circuits, scroll to find this one__ Circuit Design by Clayton Grantham, National Semiconductor, Tucson, AZ

 
 

Ground Current Monitor Circuits


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