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Design Ideas

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Facilitate oscilloscope debug of small microcontroller systems

A probe-to-the-metal approach is often the best way to debug a small µC system, and here’s some code to help out. Read More...

Avago Tech Note: Fast analog isolation with linear optocouplers

Implement isolated analog signals and current loops with linear optocouplers. Read More...

LabVIEW real-time seismic alert system

National Instrument’s LabVIEW has uses beyond instrument control, as demonstrated by this Web app. Read More...

Low-side switch with fast turn-off for inductive loads

Ditch the freewheeling diode if you want fast turn off. Read More...

Zener level-shifter drives high-side switch

Simplify a high-side driver by replacing a transistor with a Zener diode. Read More...

Two PIC pins drive six LEDs

Here’s a take on LED multiplexing with minimal output pins. Read More...

Avago Tech Note: Driving & protecting inverter IGBTs

A special purpose optocoupler can solve your IGBT gate-drive and fault-feedback needs. Read More...

Three-transistor current source covers wide range

This Design Idea is a two-wire current regulator that strikes a good balance between performance and parts count, and can deal with low voltage & Read More...

Avago Tech Note: Reduce IGBT drive cost and space

Use an application-specific optocoupler for an elegant solution to IGBT drive and monitoring. Read More...

Milliohm Squawker great at finding shorts and reverse engineering PCBs

This well thought out tool for “listening to” low resistances really speeds troubleshooting & tracing. Read More...

LTC Design Note: 65V 500mA step-down converter fits automotive and industrial applications

This switcher is happy to drop a 60V input all the way down to 0.8V. Read More...

Versatile noise generator tests signal recovery gear

Accurate noise generator allows mixing-in of a clean test signal. Read More...

Inductively sense workpieces of any material

Create an inductive switch using the LDC1000 to replace mechanical switches in dirty environments. Read More...

Inductive sensing with left-handed antenna for biomedical applications

Could an inductive sensor help assay biological and other substances? Read More...

Construction metal imager

Build up an image of inductively sensed, hidden metal using the software equivalent of a long time exposure! Read More...

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