Evertiq - First In Electronics News & Expo

Question: How do I suppress tricky conducted FM band emissions from switching power supplies?

Question: Could I easily and precisely limit a current to my load?

Question: What are some methods for achieving a compact design under high step-down voltage ratios?

Question: What is the best type of sensor to measure the position of moving and rotating elements?

Sponsored content by Würth Elektronik eisos

In our highly connected world, the smooth operation and communication of electronic devices is of critical importance: They must neither be susceptible to electromagnetic interference, nor become a source of interference themselves. Würth Elektronik supports you in EMC optimization.

Question: Wave reflections—why are they important to understand in RF designs?

Question: What is the right frequency generation component for my application?

Question: How do I choose the right RF amplifier and what are their differences?

Question: Why should I consider using CTSD ADCs to improve my signal chain design?

Question: Is there an easy way to select the external components for power converters?

Question: How can I take the DC bias effect of multi-layer ceramic capacitors (MLCCs) into account in circuit simulations?

Question: Why use point-of-load (POL) power supplies where the DC-to-DC converter is as close as possible to the load?

Question: Is there a building block that allows me to take a tiny transducer output signal directly to an ADC input voltage?

Question: How could I design a microcontroller-controlled isolated 16-bit output module?

Sponsored content by SMT Renting & Panasonic

Kemptron Oy has taken a major step toward full factory automation with a complete solution delivered by SMT Renting and SMT House — covering everything from the turnkey Panasonic SMT line to the fully integrated automated warehouse system from Neotel Technology. Panasonic’s software platform seamlessly connects the production line with the warehouse solution from Neotel, enabling real-time material flow and boosting efficiency and autonomy. The entire setup was financed through SMT Renting’s flexible model, offering Kemptron a low-risk path to state-of-the-art manufacturing.

Question: What is a four-quadrant power supply?

Question: How can I reduce electromagnetic interference when using LED drivers in lighting design?

Question: What is a good solution for generating a tiny dc supply voltage of a few hundred millivolts?

Question: How could I use a digital potentiometer to generate an adjustable voltage output?

Question: Can I use a simple energy calculation when selecting a supercapacitor for a backup system?

Question: Are there overvoltage and undervoltage protection devices available, especially for automotive applications?

Question: Should I use units of root mean square (rms) power to specify or describe the ac power associated with my signal, system, or device?

Question: Can I produce a compact, ultralow noise, phantom power supply (48 V) from a 5 V, 12 V, or 24 V input?

Question: Can you utilize stereo data and encrypt voice messages with LTspice audio WAV files?

Question: Why is my design noisier at higher frequencies?

Question: Can I improve the LTspice® model of an analog switch in case my analog design contains switches and muxes?

Question: Can I access a nonstandard SPI interface with my MCU?

Question: Is it possible to increase the gain of a fixed-gain difference amplifier?

Question: How do you measure inductor current?

Question: How can I make an analog measurement if I only have a single GPIO left on the FPGA/microprocessor for my system?

Mitigation strategies for tricky FM band conducted EMI

Question: How do I suppress tricky conducted FM band emissions from switching power supplies?

Adding a flexible current limit

Question: Could I easily and precisely limit a current to my load?

Three compact solutions for high step-down voltage ratios

Question: What are some methods for achieving a compact design under high step-down voltage ratios?

Why AMR sensors are a great option for high precision position measurements

Question: What is the best type of sensor to measure the position of moving and rotating elements?

EMC: Applied Physics for Optimal Application Design

In our highly connected world, the smooth operation and communication of electronic devices is of critical importance: They must neither be susceptible to electromagnetic interference, nor become a source of interference themselves. Würth Elektronik supports you in EMC optimization.

RF demystified – understanding wave reflections

Question: Wave reflections—why are they important to understand in RF designs?

How to easily select the right frequency generation component

Question: What is the right frequency generation component for my application?

A guide for choosing the right RF amplifier for your application

Question: How do I choose the right RF amplifier and what are their differences?

A new, better way to optimize a signal chain with a continuous-time sigma-delta converter

Question: Why should I consider using CTSD ADCs to improve my signal chain design?

Three options to optimize the control loop of power converters

Question: Is there an easy way to select the external components for power converters?

How to use LTspice simulations to account for the effect of voltage dependence

Question: How can I take the DC bias effect of multi-layer ceramic capacitors (MLCCs) into account in circuit simulations?

Point-of-Load DC-to-DC converters solve voltage accuracy, efficiency, and latency issues

Question: Why use point-of-load (POL) power supplies where the DC-to-DC converter is as close as possible to the load?

The Perilous Path from the Transducer to the ADC: What’s an Engineer to Do?

Question: Is there a building block that allows me to take a tiny transducer output signal directly to an ADC input voltage?

How a 16-Bit Output Module with Voltage and Current Outputs Can Be Controlled with Full Isolation

Question: How could I design a microcontroller-controlled isolated 16-bit output module?

Automation in Focus: Panasonic Software and SMT Renting Drive Kemptron’s Smart Factory Integration

Voltage Conversion in Four Quadrants

Question: What is a four-quadrant power supply?

Keeping EMI from LED drivers under control

Question: How can I reduce electromagnetic interference when using LED drivers in lighting design?

Generating very low voltages with standard regulators

Question: What is a good solution for generating a tiny dc supply voltage of a few hundred millivolts?

Design of an adjustable voltage output using a push-button digital potentiometer

Question: How could I use a digital potentiometer to generate an adjustable voltage output?

Energy storage using supercapacitors: How big is big enough?

Question: Can I use a simple energy calculation when selecting a supercapacitor for a backup system?

Wide voltage range automotive circuit protector

Question: Are there overvoltage and undervoltage protection devices available, especially for automotive applications?

RMS Power vs. Average Power

Question: Should I use units of root mean square (rms) power to specify or describe the ac power associated with my signal, system, or device?

Ultralow noise, 48V, phantom microphone power supply using a tiny DC-to-DC boost converter

Question: Can I produce a compact, ultralow noise, phantom power supply (48 V) from a 5 V, 12 V, or 24 V input?

LTspice Audio WAV Files: Using Stereo and Encrypting Voice Messages

Question: Can you utilize stereo data and encrypt voice messages with LTspice audio WAV files?

Current Noise in FET Input Amps

Question: Why is my design noisier at higher frequencies?

On building physically accurate analog switch macromodels

Question: Can I improve the LTspice® model of an analog switch in case my analog design contains switches and muxes?

Manipulating MCU SPI interface to access a non-standard SPI ADC

Question: Can I access a nonstandard SPI interface with my MCU?

Adjusting the gain of a fixed-gain difference amplifier

Question: Is it possible to increase the gain of a fixed-gain difference amplifier?

Inductor current measurement in switched power supplies

Question: How do you measure inductor current?

A simple way to measure temperature using one GPIO digital interface

Question: How can I make an analog measurement if I only have a single GPIO left on the FPGA/microprocessor for my system?

Bootstrapping a low voltage Op Amp to operate with high voltage signals and supplies

Question: Can I bootstrap a low voltage amplifier to get a high voltage buffer?

When smaller is better

Question: How does a μModule® regulator fit into such a small space?

How to convert light intensity into an electrical quantity

Question: How could I measure the light intensity of different light sources?

Guidelines for placing the inductor on a switch mode power supply printed circuit board

Question: Where Should the Coil Go?