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Ground Current
Monitor Circuits Last Updated on:
Monday, October 03, 2011 06:07 PM
Links to electronic circuits,
electronic schematics, designs for engineers, hobbyists, students & inventors:
Cheap Pushbutton replaces Rotary Switch - 26-Oct-00 Issue of EDN-Design
Ideas.....The problem of setting any one of four modes of aµC-operated
process has a straightforward solution Have theµC check the states
of some 4 bits of aµC.… [Design Idea by Abel Raynus, Armatron
International Inc, Melrose, MA]
Common Ground for Older VPW Circuit - You can download free
chapters from the latest edition of "The Secret Guide to Computers" by
Russ Walter. One of those chapters is a comprehensive guide to using the
various versions of the Windows operating system. But there's a lot more
than that. So even if you know all about Windows, take a look at the other
free chapters. (Circuit design added 04/05/06)
Transmitter accurately transfers voltage input - 15-May-03 Issue
of EDN 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..... [Design Idea by Clayton Grantham, National
Semiconductor, Tucson, AZ]
Voltage reference improves JFET - 26-Oct-00 Issue of 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 VP.....PDF has several circuits,
scroll to find this one..... [Design Idea by Clayton Grantham, National Semiconductor,
Tucson, AZ]
