ESC Con 2015

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.

Slope Compensation in PCMC DC-DC Converters

Over the years I’ve run into a number of engineers who haven’t had the chance to fully master the concept of slope compensation in dc-dc converters. I’ll try to clarify this concept using the buck converter as a vehicle. Read More...

Analog design online classroom gives designers needed expertise

Today’s electronics designer needs to be a more well-rounded and versatile engineer than ever before. Without an abundant supply of good analog mentors, the complex task of designing precision or high speed analog circuitry into a system is a formidable one. That not only includes the design, but also the layout as well. Read More...

Instrumentation amp makes an accurate transimpedance amp too

The interesting topology in this Design Idea turns a monolithic in-amp into a good transimpedance amp for photodiode or similar applications. Read More...

LTE-A Release 12 transmitter architecture: analog integration

In part 2 of a series, Damian Anzaldo explains how LTE-Advanced Release-12 shapes eNode transmitter architecture, specifically in terms of the analog integration challenge. The article includes an example using a MAX5868 RF DAC transmitter from Maxim Integrated. Read More...

Schmitt trigger adapts its own thresholds

If you need to condition a widely-varying signal, a simple Schmitt won’t work, but this DI will. Read More...

ams and ST team up to secure NFC mobile payments

ams AG and STMicroelectronics have collaborated to introduce an NFC system reference design that assures easy, reliable and secure contactless transactions while suiting the form factor of mobile and wearable devices. Read More...

Bosch Sensortec and Akustika: Android , MEMS, microphones and the Sensor Hub

Bosch's recent launch of two integrated sensor hubs, BHI160 and BHA250, take the SmartHub to a new level by combining lowest power with an Inertial Measurement Unit (IMU) of less than 1 mA, great sensor fusion software and an optimized sensor FUSER Core with integrated microcontroller for Android smart phones. Read More...

Quest for the Ideal Transistor?

Today’s lecture is meant to be an initiation to the transistor as an amplifier, a very unsuitable topic for a classroom saturated with the hormones of 20-year-olds (plus, I must confess, the hormones of a no-longer-so-young). Read More...

Build a low-cost logic design trainer

Want to set up a lab at home for your personal experiments? Read on. Read More...

Hackaday Prize 2015 aims to benefit to Humanity

The contest goal is solving a problems that matter to everyone, such as in areas of pollution, food for all, and energy efficiency and storage. Read More...

Understand LTE-A Release 12 transmitter architecture: Part 1

A technical look at the market forces driving global adoption of the LTE standard and trends in 4G radio access technology. Topics include carrier aggregation (CA), spatial multiplexing, and active antenna systems (AAS). Read More...

The fully Digital radio transmitter: Is it real or more hype?

Cambridge Consultants are claiming the world’s first fully digital radio transmitter built only from computing power. Read More...

Time for multimedia SoCs to get their analog signals right

As more and more analog I/O gets integrated onto SoCs, make sure you properly understand A/V signal characteristics and processing methods. Read More...

Keysight expands bench DMM line to 7½ digits

The 34470A (7.5 digit) and 34465A (6.5 digit) increase the Truevolt series from two to four models. Read More...

Analog Aficionados dinner 2015: The “Rock Stars” of Analog

Directly across the street from Levi’s Stadium where the San Francisco 49ers professional football stars play their home games, there were more than 160 professional analog “Rock” stars gathering at David’s Restaurant to meet, reminisce and mingle about the birth of electronics in Silicon Valley; the history, past, present and especially the future of electronics. Read More...

Farewell, Leonard Nimoy

EDN bids farewell to the actor who inspired many to become engineers and scientists. Read More...

>> SEE ALL

Instrumentation amp makes an accurate transimpedance amp too

The interesting topology in this Design Idea turns a monolithic in-amp into a good transimpedance amp for photodiode or similar applications. Read More...

Schmitt trigger adapts its own thresholds

If you need to condition a widely-varying signal, a simple Schmitt won’t work, but this DI will. Read More...

Voltage indicator transitions between colours

Using a two-colour LED, this Design Idea indicates power-on and voltage level. Read More...

Linear ramp generator uses one op-amp

Get integrator-like ramps that know when to stop. Read More...

Circuit lets AGC amp hold its gain

AGC amps respond to signal level. This Design Idea allows gain to be held despite a changing level. Read More...

Three-op-amp state-variable filter perfects the notch

There are many variants of the state-variable filter, but this one might just have the best notch output(s). Read More...

Schmitt trigger uses two transistors

Here’s a DI circuit that displays Schmitt-trigger action and can work at high current or voltage. Read More...

Monitor 15 contacts with one PIC input

Take advantage of a microcontroller’s feature set to simplify switch & contact interface. Read More...

Gated oscillator holds last level

Unlike a typical gated oscillator, this one holds its current output level when turned off. Read More...

Optocoupler speed-up also reduces power consumption

Optocouplers tend to be sluggish, unless you have this circuit up your sleeve. Read More...

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Dual op amp affords 30-µV precision

Supplied in an 8-lead MSOP, the LT6023 dual micropower op amp from Linear Technology provides an input offset voltage of 30 µV maximum and settles to 0.01% in 60 µs, making it useful for multiplexed data-acquisition systems and precision signal processing. Read More...

15W TRIAC-dimmable, Energy Star-compliant LED drivers work smoothly with nearly any dimmer

Although Phihong USA's new series of 15W TRIAC-dimmable constant current LED drivers sacrifices some efficiency and power quality performance for the sake of compatibility and cost, the drivers are still worth considering for many applications. Read More...

High-speed comparator cuts delays to 2.9 ns

Intended to drive logic levels of 3.3 V down to 1.8 V, the LTC6752 comparator from Linear Technology achieves fast rise and fall times of 1.2 ns and a toggle frequency of 280 MHz, making it one of the fastest CMOS-output comparators on the market. Read More...

ams and ST team up to secure NFC mobile payments

ams AG and STMicroelectronics have collaborated to introduce an NFC system reference design that assures easy, reliable and secure contactless transactions while suiting the form factor of mobile and wearable devices. Read More...

Dual low-pass filter streamlines ZigBee remote controls

STMicroelectronics’ DLPF-GP-01D3 dual differential filter replaces up to 16 discrete surface-mount components, saving 35 mm2 of pc board space in ZigBee RF4CE remote controls and equipment such as set-top boxes, TVs, home gateways, alarms, and lighting. Read More...

Keysight expands bench DMM line to 7½ digits

The 34470A (7.5 digit) and 34465A (6.5 digit) increase the Truevolt series from two to four models. Read More...

A data-acquisition system on a chip

Analog Devices has introduced the AD5592R, which contains all the functions you need to build a multifunction data-acquisition system, including ADCs, DACs, and digital I/O, on a single IC. Read More...

LED lighting aspects in parking structures

Many people do not realize the effect that lighting can have on the human experience. Read More...

Wearable sensor measures UV index

The latest addition to STMicroelectronics’ portfolio of environmental sensors, the UVIS25 provides a direct digital output of UVI (ultraviolet index)—the international measurement of the strength of ultraviolet radiation, primarily from the sun, at a given place and time. Read More...

Simultaneous time, frequency domain analysis at 1 GHz

Rohde & Schwarz' RTM bench oscilloscopes can now simultaneously analyze analog, digital, protocol-based and RF signals. This spectrum analysis and spectrogram option can also be used in the new 1 GHz model. Read More...

Quad clock chip spans 10 MHz to 800 MHz

Packing four independent PLLs, a flexible delta-sigma modulator, and a wide-ranging VCO, the XR81411 universal clock synthesizer from Exar generates any frequency in the range of 10 MHz to 800 MHz, with each the device’s four outputs independently configurable for LVCMOS, LVDS, or LVPECL. Read More...

Fault-protected CAN transceiver improves system reliability

According to manufacturer Linear Technology, the LTC2875 high-voltage-tolerant CAN transceiver reduces field failures without the need for external protection devices. 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...

>> SEE ALL

Analog design online classroom gives designers needed expertise

Today’s electronics designer needs to be a more well-rounded and versatile engineer than ever before. Without an abundant supply of good analog mentors, the complex task of designing precision or high speed analog circuitry into a system is a formidable one. That not only includes the design, but also the layout as well. Read More...

Bosch Sensortec and Akustika: Android , MEMS, microphones and the Sensor Hub

Bosch's recent launch of two integrated sensor hubs, BHI160 and BHA250, take the SmartHub to a new level by combining lowest power with an Inertial Measurement Unit (IMU) of less than 1 mA, great sensor fusion software and an optimized sensor FUSER Core with integrated microcontroller for Android smart phones. Read More...

Hackaday Prize 2015 aims to benefit to Humanity

The contest goal is solving a problems that matter to everyone, such as in areas of pollution, food for all, and energy efficiency and storage. Read More...

The fully Digital radio transmitter: Is it real or more hype?

Cambridge Consultants are claiming the world’s first fully digital radio transmitter built only from computing power. Read More...

Analog Aficionados dinner 2015: The “Rock Stars” of Analog

Directly across the street from Levi’s Stadium where the San Francisco 49ers professional football stars play their home games, there were more than 160 professional analog “Rock” stars gathering at David’s Restaurant to meet, reminisce and mingle about the birth of electronics in Silicon Valley; the history, past, present and especially the future of electronics. Read More...

Wireless communication standards for the Internet of Things

This white paper provides an overview of the most important contenders around the IoT Wireless Communication Standards. We are looking at wireless networking technologies. Read More...

Advanced communications system for mobile, fixed and Wi-Fi applications will save lives

By December 31, 2015 the US Congress and the US Dept. of Transportation/Federal Railroad Administration has mandated that rail companies meet and implement Positive Train Control (PTC). Read More...

Finding the origin of the Universe: Assisted by High speed ADC capability at 12 bits, 4 Gsps

As engineers and designers we care about the ADC part of this article, but the physicists use these tools in a wide variety of research fields. Read More...

Ultra-low power system for wearable devices

While the brains of the typical wearable device might be the embedded microcontroller (MCU), the heart is definitely with power management. Extremely small capacity batteries, diverse array of functions needing power, and the incredibly small solution size force new and innovative power management solutions to make the system work well. But when an ultra-low power optimized MCU and ultra-low power optimized DC/DC converter come together, the result is a well-running, well-oiled machine fit for wearable applications. Read More...

Wideband AFE based on a continuous-time high speed delta-sigma ADC

Continuous time delta-sigma (CTDS) ADC is the architecture of choice for audio systems, for phone handsets and for mobile electronics. Read More...

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“Proof” that the Laplace Transform is Nothing

Can you find the error(s), if any, in the following mathematical derivation that applies the Laplace transform? Read More...

Ode to the Oscilloscope

Having been a teenager in the 1960s, and with popular tunes of that decade still in my head, I offer a lyrical rewrite of one of them, with apologies to the author of the ‘60s hit tune, "Hotrod Lincoln". (“You’ve heard the story of the great car race, where Fords and Lincolns were settin’ the pace ) This ode has gone through some refinement, and here is the latest version. Read More...

Slope Compensation in PCMC DC-DC Converters

Over the years I’ve run into a number of engineers who haven’t had the chance to fully master the concept of slope compensation in dc-dc converters. I’ll try to clarify this concept using the buck converter as a vehicle. Read More...

Inverse Fourth Power

Radar echoes from remote targets decay in inverse proportion to the fourth power of the distances to those targets. A quick look at the physics of the situation makes the reason for this clear. Read More...

Sanmina: Not your father’s “Board stuffer”

I sat down with Brian Nelson from Sanmina and we discussed what Sanmina has become today. They Read More...

Quest for the Ideal Transistor?

Today’s lecture is meant to be an initiation to the transistor as an amplifier, a very unsuitable topic for a classroom saturated with the hormones of 20-year-olds (plus, I must confess, the hormones of a no-longer-so-young). Read More...

Get your geek on for Pi Day - 3-14-15

Take a look at how the nation's geekiest town celebrates Pi Day and use the links we've provided to help you locate the irrational revelries in your home town. Read More...

Simulating the front-end of your ADC

Successive-approximation analog-to-digital converters are straightforward, right? Read More...

Farewell, Leonard Nimoy

EDN bids farewell to the actor who inspired many to become engineers and scientists. Read More...

Save face with component checklists

Keep egg off your face with these handy component selection checklists. Read More...

Feedback with Bidirectional Blocks

It is now time to address the most general case in which also the amplifier is bidirectional. Read More...

>> SEE ALL

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