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Analog

Steve Taranovich
Editor
Latest design tips and clever circuit architectures that analog design engineers must have to keep up with fast-paced developments in the analog world of interface, timing, and RF advancements. Industry innovations and processes that enhance analog performance are some of the many topics to be explored in great technical depth as they happen.

New Ampere won't affect your measurements

Unless you work at the highest levels of metrology, the change in how the Ampere is realized won't affect you. Read More...

Variable frequency high slope filter with one potentiometer or DAC.

Analog variable frequency filters require the use of variable passive components. The higher the slope of the filter, the greater the number of needed variable passive components. Read More...

Achieving accurate measurements of large DC currents

Accurately measuring DC currents above 50 A is a necessity for EVs, grid energy storage, and photovoltaic installations. Read More...

Akustica’s MEMS microphones for smartphones and wearables

Akustica added four new high-performance analog microphones to its high definition (HD) voice product line, including the AKU346, the industry’s smallest MEMS microphone to achieve 64dB SNR. Read More...

Review: The Physical Basis of EMC

While rather thin, this book is chock full of very important concepts vital to understanding how to design and troubleshoot products to meet EMC requirements. Read More...

Buck Switcher Thevenin Resistance

In a buck converter I was working on, the output voltage nominally equaled the input voltage times the switching duty cycle. Read More...

Nuvation CEO examines the Autonomous Vehicle concept

Mike Worry, Nuvation CEO, put together a brief slideshow regarding his view of why it should be illegal for humans to drive and his solution to that problem. Here is a summary of that presentation that I have put into an EDN slideshow Read More...

Simplify DC-DC Converter Characterization

Characterize DC-DC converters for efficiency, line regulation, and load regulation. Read More...

Product How-to: Sophisticated tools accelerate SDR exploration

A pair of integrated, single board, Universal Software Radio Peripheral platforms provides continuous frequency coverage from 70 MHz to 6 GHz, while supporting powerful design and evaluation tools. Read More...

The inexorable rise of the appcessory

2014 will be a landmark year for Bluetooth Smart and the silicon vendors behind the technology Read More...

Loss in a channel: Rule of Thumb #9

This rule of thumb enables us to estimate the attenuation at the Nyquist for a lossy, uniform channel. Read More...

In the pits with FIRST Robotics

EDN visits a FIRST Robotics competition for a look at what future engineers design, build, and operate. Read More...

Optimizing the Performance of Very Wideband Direct Conversion Receivers

The LTC5585 is an ultrawide bandwidth direct conversion I/Q demodulator with outstanding linearity performance. The device is capable of baseband output demodulation bandwidth of over 530MHz. Read More...

Automate comparator hysteresis tests

An automated system using a programmable power supply and a high-speed digital I/O card can reduce validation time by almost 90% over manual methods. Read More...

Exclusively select 1 of N relays

Simple elegance reigns in this 1-of-N selector. Read More...

Accelerometer and Gyroscopes Sensors: Operation, Sensing, and Applications

MEMS give the user a new way to interface with their smart device. This paper is an overview of MEMS: the principle of their operation, the sensing mechanism, and a variety of potential applications. Read More...

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Exclusively select 1 of N relays

Simple elegance reigns in this 1-of-N selector. Read More...

High-power shunt regulator uses BJT & reference IC

This circuit provides much better performance and higher power handling than a Zener diode. Read More...

Safety flasher warns of high voltage

A low power circuit warns the user that high voltage is present. Read More...

Detect wire breaks with unusual CMOS gate circuit

TDR in the shop? Try this circuit to detect a wire break. Read More...

Simple circuit indicates a low battery

It may seem a bit counterintuitive to power on an LED when a battery is already low, but this Design Idea does it with aplomb. Read More...

Greatly improve dV/dt immunity of SCRs

Improve dV/dt immunity of SCRs by three orders of magnitude. Read More...

Measure inductance & capacitance over a wide range

Measure inductors and capacitors over a very wide range of values with this simple circuit. Read More...

Best Design Ideas of 2013Q3

We present the best Design Ideas of the last quarter! Read More...

A true op-amp made from inverters

Designs that stretch parts beyond their intended use, like this true op-amp constructed from eight CMOS inverters, have a certain special appeal. Read More...

Design Notes: Matched Resistor Networks for Precision Amplifier Applications

The actual performance of precision amplifiers and ADCs is often difficult to achieve since data sheet specifications assume ideal components. Carefully matched resistor networks can enable precision matching orders of magnitude better than discrete components, ensuring data sheet specifications are met for precision ICs. Read More...

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Op amp drives industrial loads

Analog Devices has posted pre-release information on the forthcoming ADA4870, a unity-gain stable, high-speed current feedback amplifier capable of delivering 1A of continuous output current from a 40V supply. Read More...

Akustica’s MEMS microphones for smartphones and wearables

Akustica added four new high-performance analog microphones to its high definition (HD) voice product line, including the AKU346, the industry’s smallest MEMS microphone to achieve 64dB SNR. Read More...

EMI receiver adds disturbance analysis

New feature lets engineers conduct discontinuous-disturbance, or click, measurements in accordance with CISPR standards. Read More...

Microchip announces 8-bit PIC uC Family with Intelligent Analog at EE Live!

The 11-member family of MCUs integrates two Op Amps, a 10-bit ADC, a 5-/8-bit DAC, 10-bit PWM modules and high-speed comparators . Read More...

Audio converter with voice detection feature for home appliances

IP-for-SoC provider Dolphin Integration has announced sCODp-MT1-VD.02, a voice-oriented converter supporting both analogue and digital microphones. Read More...

Audio codec features low, always-on power levels

Dialog's DA7212 audio codec has low always-on power consumption (650 µW) which can extend the battery life of portable devices – including new ‘wearables' such as smart watches and connected fitness devices. Read More...

Agilent debuts high-end oscilloscopes at OFC

High bandwidth, low noise, and a new user interface grace to Infiniium Z-Series. Read More...

Audio power amp sounds EV warning

Toshiba Electronics is offering a single-chip amplifier to support safety designs that add the sound of a conventional internal combustion engine to electric and hybrid electric vehicles. Read More...

AWGs generate low-noise, low-jitter waveforms

Agilent's 33600A series of one-and-two-channel waveform generators boast significantly lower noise that DDS-based waveform generators. Read More...

Midrange oscilloscopes target EMI, power, debug

The RTE line of oscilloscopes from Rohde & Schwarz let you see signal in analog digital, and frequency form. Read More...

It's an oscilloscope and...

Tektronix MDO3000 is an oscilloscope and as many as five other instruments. Now if it only had a power supply. Read More...

Get eight 12-bit channels over USB 3

Pico Technology's PicoScope 4824 provides eight 12-bit analog inputs and a waveform generator onto a PC-based package that runs over USB 3.0. Read More...

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Teardown: Maxwell's equations

If Maxwell's Equations were a piece of hardware, most of us would be eager to see what's inside the box. But you won't find the literary equivalent of a physical teardown because the subject is basically mathematical and as such, requires a certain amount of rigor to explain and understand. If you're willing to trade mathematical rigor for readability, this article may be the refresher you've been looking for. Read More...

Teardown: The Engineer’s Mind

For this teardown episode, the recent Mind of the Engineer Study provides a view of your perception of the engineering mind: What you think of you, and what you think others think of you. There are some surprises, some affirmations, and of course some fun twists. Read More...

Teardown: The nuances of variable-frequency drives

Get an inside view of induction-motor control by varying frequency using PWM. Read More...

The Scrubbing Bubbles power sprayer

A brilliant design costs you only pennies per spritz. Read More...

The 24V, 300W, BLDC Kollmorgen motor integrated controller

A motor mixes mechanical and electrical beauty with questionable thermal design. Read More...

The Tektronix 1101 oscilloscope-probe power supply

A mechanical design is at once a masterpiece and an expensive expedient. Read More...

Bulldog Security RS82B remote-vehicle-starter system

Microprocessor-controlled relays let you start your car 100 yards away. Read More...

The 15W Fender Squier guitar amplifier

Replacing all of the potentiometers makes a scratchy old amp sound great again. Read More...

The Schauer TB10012 battery charger

A 30-year-old nonworking battery charger makes a perfect Prying Eyes candidate—and gets a new lease on life. Read More...

The West Bend No. 1 electric-frying-pan thermostat

Spray lubricant and contact cleaner save a dignified old product. Read More...

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Variable frequency high slope filter with one potentiometer or DAC.

Analog variable frequency filters require the use of variable passive components. The higher the slope of the filter, the greater the number of needed variable passive components. Read More...

Achieving accurate measurements of large DC currents

Accurately measuring DC currents above 50 A is a necessity for EVs, grid energy storage, and photovoltaic installations. Read More...

Nuvation CEO examines the Autonomous Vehicle concept

Mike Worry, Nuvation CEO, put together a brief slideshow regarding his view of why it should be illegal for humans to drive and his solution to that problem. Here is a summary of that presentation that I have put into an EDN slideshow Read More...

Product How-to: Sophisticated tools accelerate SDR exploration

A pair of integrated, single board, Universal Software Radio Peripheral platforms provides continuous frequency coverage from 70 MHz to 6 GHz, while supporting powerful design and evaluation tools. Read More...

Guarding chips against "electric floods"

Composed of minute charged particles, electrical current naturally flows from the higher voltage to lower; like a river flowing from the mountains to the sea. Read More...

Accelerometer and Gyroscopes Sensors: Operation, Sensing, and Applications

MEMS give the user a new way to interface with their smart device. This paper is an overview of MEMS: the principle of their operation, the sensing mechanism, and a variety of potential applications. Read More...

Understanding and designing wideband output networks for high speed D/A converters.

The recent development of GSPS DACs allow designers to skip multiple mixing stages in the transmit signal chain and proceed directly to the desired RF bands. Read More...

Product How-to: 4–20mA Current-Loop Sensor Immune to Noise over Long Distances

This article describes a complete smart-sensor solution called Monterey that is a high-accuracy, low-power, industrial loop-powered sensor transmitter. Read More...

Challenges associated with Digital-Analog combined IP’s

This paper discusses in detail challenges with Digital-Analog combined IP and details certain steps that should be followed for faster and robust verification signoff of such Mixed Signal IP’s. Read More...

The Invention and Evolution of The World’s Most Precise Resistor

In 1962, the physicist Dr. Felix Zandman, world-renowned for his work in stress analysis, took his ideas for uniquely isolated strain gages and applied them to the electronics industry with the introduction of the most precise and stable resistor ever developed. Read More...

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08.27.2013

Novel Q-meter

This highly unusual "cross-quad" circuit topology finds application measuring Q.Read more...

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