Category Archives: app notes

App note: Design of a low cost, 45W flasher with short circuit protection using LM2902 (Quad Op-Amp) and CSD18534

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App note (PDF) on automobile flashers from Texas Instruments This Application note presents the design of a low cost, flasher circuit with short circuit protection. The design incorporates the entire recommended design feature set for two wheeler flashers and includes … Read more

App note: High voltage, low noise, DC/DC converters

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An app note from Linear Technology: High voltage, low noise, DC/DC converters (PDF!) Photomultipliers (PMT), avalanche photodiodes (APD), ultrasonic transducers, capacitance microphones, radiation detectors and similar devices require high voltage, low current bias.  Additionally, the high voltage must be pristinely free of noise; … Read more

App note: Faster switching from standard couplers

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Here’s Vishay’s app note: Faster switching from standard couplers (PDF!): Applications employing lower-performance “standard couplers” can still be optimized for switching speed. Thoughit can not be expected that these devices will perform to the level of specialized “high-speed” devices, they can be … Read more

app note: A simple current-sense technique eliminating a sense resistor

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An old but interesting app note(PDF) from Microsemi on resistorless current-sensing technique. This application note introduces a simple current-sense technique that eliminates that sense resistor, resulting in system-cost reduction, PCB space saving, and power efficiency improvement. Furthermore, the new current … Read more

App note: Water and condensation safe touch sensing with the NXP capacitive touch sensors

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  App note (PDF) from NXP on water and condensation resistant capacitive touch sensors. This application note explains the unique auto-calibration feature of the touch sensor family from NXP and provides guidelines for enhanced water and condensation safe operation, focusing … Read more

Simple link budget estimation and performance measurements of Microchip sub-GHz radio modules

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  Assessing the link budget with this app note (PDF) from Microchip: This application note describes a simple link budget analysis, measurement and techniques to evaluate the range and performance of wireless transmission with results, and uses developed models to estimate the … Read more