Ideas for Design http://electronicdesign.com/taxonomy/term/25765/more en Microcontroller Battery Monitor Circuit Needs Only One Pin http://electronicdesign.com/microcontrollers/microcontroller-battery-monitor-circuit-needs-only-one-pin <div class="field-byline"> Tommaso Angelino </div> <div class="node-body article-body">A microcontroller's internal ADC was inadequate to measure its own supply rail, so a circuit using standard discrete components was devised to do this with just one pin of the IC. </div> <p><a href="http://electronicdesign.com/microcontrollers/microcontroller-battery-monitor-circuit-needs-only-one-pin" target="_blank">read more</a></p> http://electronicdesign.com/microcontrollers/microcontroller-battery-monitor-circuit-needs-only-one-pin#comments Analog Ideas for Design Microcontrollers Power Test & Measurement Fri, 17 Mar 2017 19:41:00 +0000 913711 at http://electronicdesign.com Compute Low-Frequency Parameters of Resistive Attenuators with Three DC-Resistance Measurements http://electronicdesign.com/test-measurement/compute-low-frequency-parameters-resistive-attenuators-three-dc-resistance-measurem <div class="field-byline"> Jacques Audet </div> <div class="node-body article-body">This simple approach allows all low-frequency attenuator parameters for T pads and pi pads to be computed from just three measurements of dc resistance.</div> <p><a href="http://electronicdesign.com/test-measurement/compute-low-frequency-parameters-resistive-attenuators-three-dc-resistance-measurem" target="_blank">read more</a></p> http://electronicdesign.com/test-measurement/compute-low-frequency-parameters-resistive-attenuators-three-dc-resistance-measurem#comments Ideas for Design Power Test & Measurement Tue, 21 Feb 2017 21:33:00 +0000 912581 at http://electronicdesign.com Interactive Graphical Interface Enhances Micro-Programmed Sequential Machine Design http://electronicdesign.com/dev-tools/interactive-graphical-interface-enhances-micro-programmed-sequential-machine-design <div class="field-byline"> Roberto Tovar, Román Osorio, and Tania Tovar </div> <div class="node-body article-body">The micro-programmed machine approach offers important performance features such as speed, but it is tedious and error-prone. This Visual Basic 6 GUI automates and eases the process.</div> <p><a href="http://electronicdesign.com/dev-tools/interactive-graphical-interface-enhances-micro-programmed-sequential-machine-design" target="_blank">read more</a></p> http://electronicdesign.com/dev-tools/interactive-graphical-interface-enhances-micro-programmed-sequential-machine-design#comments Ideas for Design Dev Tools EDA Mon, 13 Feb 2017 15:55:00 +0000 912171 at http://electronicdesign.com LED-String Driver Operates from Single Cell http://electronicdesign.com/leds/led-string-driver-operates-single-cell <div class="field-byline"> Luca Bruno </div> <div class="node-body article-body">This basic low-power driver, based on a few standard discrete components, can supply a variety of LED types and loads.</div> <p><a href="http://electronicdesign.com/leds/led-string-driver-operates-single-cell" target="_blank">read more</a></p> http://electronicdesign.com/leds/led-string-driver-operates-single-cell#comments Analog Ideas for Design LEDs Power Thu, 15 Dec 2016 20:10:00 +0000 904321 at http://electronicdesign.com Image courtesy of Thinkstock High-Voltage Amplifier Extends Coulomb-Counter Range to ±270 V http://electronicdesign.com/power/high-voltage-amplifier-extends-coulomb-counter-range-270-v <div class="field-byline"> Kris Lokere </div> <div class="node-body article-body">Low-range current (coulomb counting) measurement is a challenge when the associated voltage is relatively high, but a configuration of standard ICs meets the requirements.</div> <p><a href="http://electronicdesign.com/power/high-voltage-amplifier-extends-coulomb-counter-range-270-v" target="_blank">read more</a></p> http://electronicdesign.com/power/high-voltage-amplifier-extends-coulomb-counter-range-270-v#comments Analog Ideas for Design Power Test & Measurement Linear Technology Tue, 22 Nov 2016 19:43:00 +0000 899481 at http://electronicdesign.com Flip-Flop Design Provides Frame Sync for Received Satellite Telemetry http://electronicdesign.com/analog/flip-flop-design-provides-frame-sync-received-satellite-telemetry <div class="field-byline"> Nithin Kumar K, Chirag R , and V. Sambasiva Rao </div> <div class="node-body article-body">A string of D-flip flops configured as a counter can be used to establish the initial frame synchronization needed to decode satellite-telemetry data, which has been received and demodulated.</div> <p><a href="http://electronicdesign.com/analog/flip-flop-design-provides-frame-sync-received-satellite-telemetry" target="_blank">read more</a></p> http://electronicdesign.com/analog/flip-flop-design-provides-frame-sync-received-satellite-telemetry#comments Analog Communications Ideas for Design Tue, 15 Nov 2016 17:32:00 +0000 897921 at http://electronicdesign.com Diode's Analytical Model Bridges Solid-State Reality and Physics Theory http://electronicdesign.com/power/diodes-analytical-model-bridges-solid-state-reality-and-physics-theory <div class="node-body article-body">This model yields accurate analysis of silicon diodes, avoiding the complex iterative calculations for determining voltage drop across a diode.</div> <p><a href="http://electronicdesign.com/power/diodes-analytical-model-bridges-solid-state-reality-and-physics-theory" target="_blank">read more</a></p> http://electronicdesign.com/power/diodes-analytical-model-bridges-solid-state-reality-and-physics-theory#comments Components Ideas for Design Power Thu, 27 Oct 2016 15:28:00 +0000 894361 at http://electronicdesign.com Period-to-RPM Converter Measures Very Low Frequencies http://electronicdesign.com/analog/period-rpm-converter-measures-very-low-frequencies <div class="field-byline"> Ricardo Jiménez, Fernando D. Pacheco, and Blanca L. Rodríguez </div> <div class="node-body article-body">Measuring long-period signals and translating them to low-frequency RPM is challenging, but a circuit built of medium-scale ICs will do so—without a microcontroller or firmware.</div> <p><a href="http://electronicdesign.com/analog/period-rpm-converter-measures-very-low-frequencies" target="_blank">read more</a></p> http://electronicdesign.com/analog/period-rpm-converter-measures-very-low-frequencies#comments Automotive Analog Medical Ideas for Design Power Mon, 03 Oct 2016 19:32:00 +0000 888381 at http://electronicdesign.com "Cap-Drop" Approach Implements Offline Power Supply for Light Loads http://electronicdesign.com/power/cap-drop-approach-implements-offline-power-supply-light-loads <div class="node-body article-body">A transformerless ac-dc supply can provide dc power for light loads using a capacitor's reactions as a current-limiting element.</div> <p><a href="http://electronicdesign.com/power/cap-drop-approach-implements-offline-power-supply-light-loads" target="_blank">read more</a></p> http://electronicdesign.com/power/cap-drop-approach-implements-offline-power-supply-light-loads#comments Analog Ideas for Design Power Power Sources Texas Instruments Mon, 12 Sep 2016 13:05:00 +0000 884301 at http://electronicdesign.com Added ADC Improves Analog Square-Root Extraction Accuracy http://electronicdesign.com/analog/added-adc-improves-analog-square-root-extraction-accuracy <div class="node-body article-body">A standard circuit for extracting the square root of an analog signal has accuracy limitations, but adding some basic circuitry in a feedback topology can increase performance at low cost.</div> <p><a href="http://electronicdesign.com/analog/added-adc-improves-analog-square-root-extraction-accuracy" target="_blank">read more</a></p> http://electronicdesign.com/analog/added-adc-improves-analog-square-root-extraction-accuracy#comments ADC Analog Ideas for Design Fri, 09 Sep 2016 12:53:00 +0000 883621 at http://electronicdesign.com