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Avago Tech Note: 14.2mm wide Creepage and clearance optocouplers for high-voltage applications

Not any optocoupler will do for applications requiring extra-high-voltage isolation. Read More...

HB-LED flashing beacon repurposes switching regulator

A classic, low-cost “switcher” IC is repurposed to flash a high-brightness LED in this minimal-parts-count Design Idea. Read More...

Avago Tech Note: High-speed optocouplers enable industrial networks

Communicate at up to 25Mb/s over (e.g.) PROFIBUS. Read More...

555-based class-D headphone driver makes great practice amp

This class-D audio amp “plays” to the 555’s strengths. Read More...

Improve efficiency of low-cost switcher

Reduce losses by over 30%, and improve Vin(min) too, on a 34063-based or similar switcher. Read More...

LTC Design Note: Robust 10MHz reference clock input protection circuit and distributor for RF systems

Design a protected 10MHz reference input without degrading phase noise. Read More...

Variable HV power supply employs photovoltaic optocoupler

This unusual topology saved the day when a higher-voltage variable supply was needed. Read More...

Avago Tech Note: Isolated current sensing with ∑-∆ optoisolators

Sigma-delta optocouplers make for accurate isolated sensing, and can trade off speed for ENOB. Read More...

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...

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