Ideas for Design en 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="" target="_blank">read more</a></p> Analog Ideas for Design Microcontrollers Power Test & Measurement Fri, 17 Mar 2017 19:41:00 +0000 913711 at Compute Low-Frequency Parameters of Resistive Attenuators with Three DC-Resistance Measurements <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="" target="_blank">read more</a></p> Ideas for Design Power Test & Measurement Tue, 21 Feb 2017 21:33:00 +0000 912581 at 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="" target="_blank">read more</a></p> Ideas for Design Dev Tools EDA Mon, 13 Feb 2017 15:55:00 +0000 912171 at LED-String Driver Operates from 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="" target="_blank">read more</a></p> Analog Ideas for Design LEDs Power Thu, 15 Dec 2016 20:10:00 +0000 904321 at Image courtesy of Thinkstock High-Voltage Amplifier Extends Coulomb-Counter Range to ±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="" target="_blank">read more</a></p> Analog Ideas for Design Power Test & Measurement Linear Technology Tue, 22 Nov 2016 19:43:00 +0000 899481 at Flip-Flop Design Provides Frame Sync for 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="" target="_blank">read more</a></p> Analog Communications Ideas for Design Tue, 15 Nov 2016 17:32:00 +0000 897921 at Diode's 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="" target="_blank">read more</a></p> Components Ideas for Design Power Thu, 27 Oct 2016 15:28:00 +0000 894361 at Period-to-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="" target="_blank">read more</a></p> Automotive Analog Medical Ideas for Design Power Mon, 03 Oct 2016 19:32:00 +0000 888381 at "Cap-Drop" Approach Implements Offline Power Supply for 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="" target="_blank">read more</a></p> Analog Ideas for Design Power Power Sources Texas Instruments Mon, 12 Sep 2016 13:05:00 +0000 884301 at 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="" target="_blank">read more</a></p> ADC Analog Ideas for Design Fri, 09 Sep 2016 12:53:00 +0000 883621 at