Design 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.

Linear ramp generator uses one op-amp

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

MD&M West steps up its game through Allied Electronics at Center Stage Gadget Freak event

This year, at MD&M West there will be a Gadget Freak Workshop presented by Allied Electronics in the Center Stage area of the Anaheim Convention Center. Read More...

These aren’t the droids you’re looking for: The latest evolution in electronics hand gesturing

I am a big fan of using natural human prompts as control for the Smart Home and other Internet of Things control. Voice and hand gestures just come naturally to control our amazing new electronic design advancements. Read More...

Enabling next-generation avionics systems

Recent generations of MEMs technology are now providing Highly Robust Enabling Performance to Avionics Equipment, with significant advances in size, weight, power (SWAP), and cost. Read More...

A Chimera of Standards, or the Challenges of Adapting Prototyping Standards

“The wonderful thing about standards is that there are so many of them to choose from.” Grace Hopper Read More...

DMM provides numerical and graphical displays

The DMM7510 from Keithley Instruments combines a 7.5-digit DMM with a digitizer and touch screen, letting you measure and view voltage and current. 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...

A simple approach to develop Spice macro models

This transistor based approach uses simple equations (relatively) which can be modified accordingly to address the various processes on which amplifiers are designed. Read More...

Reverse Transmittance

In a case where you want make signal flow go only in one direction while actively suppressing signal flow back in the opposite direction (call that the suppression of reverse transmittance or of inverse transmission or whatever you choose), your choice of op-amp configuration can play a significant role. Read More...

A test method for synchronizing multiple GSPS converters

In this paper, two methods will be described; the use of deterministic latency or the use of control bits within the JESD204B interface data word. Read More...

GreenPeak CEO discusses Smart Home at CES 2015

Smart home is not as much about sensors as it is about learning and coaching. The Smart Home learns how we want to live and will then manage to make our life comfortable. Read More...

How to measure capacity versus bias voltage on MLCCs

High-capacity, multilayer ceramic capacitors (MLCC) have a property often not well understood by electronic designers: the capacitance of these devices varies with applied DC voltage. Read More...

Be prepared for optical backplane and circuit protection

Will the optical backplane ever happen? Are you adequately protecting your circuit designs? Be prepared with these two DesignCon panels. Read More...

EDN at CES 2015: No news, just an inside look at the electronics---The Zano drone

You must be inundated with all the CES 2015 news articles out there in the media. Well, news is important, but as a designer, you might be more interested in the inside scoop regarding the electronics of the new CES exhibited products. That’s what I am bringing you over the next week Read More...

Series-connected MOSFETs increase voltage & power handling

A constant-current charger for a high-energy capacitor bank uses multiple MOSFETs to increase voltage and power-handling capabilities. Read More...

Wearable, bracelet-sized development kits offer quick IoT development

SENtrode is the first wearable-sized development kit integrating sensors, sensor fusion algorithms, programmable processor, and wireless capabilities into a bracelet-sized form factor. Read More...

>> SEE ALL

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...

Add phases to simple RC oscillator

Here’s a simple way to add one or more output phases to an RC oscillator. Read More...

555-based class-D headphone driver makes great practice amp

This class-D audio amp “plays” to the 555’s strengths. Read More...

LTC Design Note: Robust 10MHz reference clock input protection circuit and distributor for RF systems

Design a protected 10MHz reference input without degrading phase noise. Read More...

>> SEE ALL

These aren’t the droids you’re looking for: The latest evolution in electronics hand gesturing

I am a big fan of using natural human prompts as control for the Smart Home and other Internet of Things control. Voice and hand gestures just come naturally to control our amazing new electronic design advancements. Read More...

DMM provides numerical and graphical displays

The DMM7510 from Keithley Instruments combines a 7.5-digit DMM with a digitizer and touch screen, letting you measure and view voltage and current. Read More...

Wearable, bracelet-sized development kits offer quick IoT development

SENtrode is the first wearable-sized development kit integrating sensors, sensor fusion algorithms, programmable processor, and wireless capabilities into a bracelet-sized form factor. Read More...

VCO delivers best-in-class phase noise performance

The model V480MEM2-LF RoHS compliant voltage controlled oscillator (VCO) from Z-Communications operates at 445 to 480 MHz with a tuning voltage range of 0.5 to 2.5 Vdc. Read More...

Precision op amps are aimed at IoT

On Semiconductor has introduced a family of "zero-drift" low-voltage CMOS precision operational amplifiers, for use as front-end amplifiers and in power management. Read More...

Software-radio module packs eight analog-input channels

The latest member of the Flexor line of software-radio FMC (FPGA Mezzanine Card) modules from Pentek, the Model 3316 doubles the existing channel density for a single slot, while boosting sample rates through the incorporation of eight 250-MHz, 16-bit ADCs. Read More...

Clock IC employs built-in JESD204B SYSREF generator

In addition to 14 outputs configurable for HSTL or LVDS, Analog Devices’ AD9528 two-stage PLL integrates a JESD204B SYSREF generator to accommodate the clock requirements of LTE and multicarrier GSM base-station designs, defense electronics systems, RF test instrumentation, and other wideband RF GSPS data-acquisition signal chains. Read More...

A ‘Swiss Army knife’ of temperature sensing ICs

Linear Technology has just made things simpler for designers with the LTC2983 digital temperature measurement IC that directly digitizes RTDs, thermocouples, thermistors and external diodes with 0.1°C accuracy and 0.001°C resolution. Read More...

ADC drivers generate little distortion

Two fully differential amplifiers from Texas Instruments, the LMH3401 and LMH5401, bring AC performance to DC-coupled applications, improving performance in radar systems, test and measurement equipment, and wireless base stations. Read More...

Sensor recognizes gestures and barcodes

By integrating five key sensing functions, including gesture detection and barcode emulation, the TMG399x series of optical sensors from ams brings touchless gesture control and display management to smart phones, tablets, and other consumer electronics. Read More...

EDN Hot 100 products of 2014

Of the many thousands of products announced during the past year, these are 100 that especially caught the attention of our editors and our readers. Read More...

EDN Hot 100 products of 2014: Analog

This section of EDN's Hot 100 Products of 2014 features analog ICs including amplifiers, data converters, and others offering significant similar analog functions. Read More...

>> SEE ALL

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

MD&M West steps up its game through Allied Electronics at Center Stage Gadget Freak event

This year, at MD&M West there will be a Gadget Freak Workshop presented by Allied Electronics in the Center Stage area of the Anaheim Convention Center. Read More...

Enabling next-generation avionics systems

Recent generations of MEMs technology are now providing Highly Robust Enabling Performance to Avionics Equipment, with significant advances in size, weight, power (SWAP), and cost. Read More...

A Chimera of Standards, or the Challenges of Adapting Prototyping Standards

“The wonderful thing about standards is that there are so many of them to choose from.” Grace Hopper Read More...

A simple approach to develop Spice macro models

This transistor based approach uses simple equations (relatively) which can be modified accordingly to address the various processes on which amplifiers are designed. Read More...

A test method for synchronizing multiple GSPS converters

In this paper, two methods will be described; the use of deterministic latency or the use of control bits within the JESD204B interface data word. Read More...

GreenPeak CEO discusses Smart Home at CES 2015

Smart home is not as much about sensors as it is about learning and coaching. The Smart Home learns how we want to live and will then manage to make our life comfortable. Read More...

EDN at CES 2015: No news, just an inside look at the electronics---The Zano drone

You must be inundated with all the CES 2015 news articles out there in the media. Well, news is important, but as a designer, you might be more interested in the inside scoop regarding the electronics of the new CES exhibited products. That’s what I am bringing you over the next week Read More...

Input bias current in chopper amplifiers

Chopper amplifiers are generally considered as a perfect choice in applications where DC precision is mandatory. This kind of amplifier uses a continuous time modulation technique to exhibit extremely low offset and 1/f noise. Despite numerous advantages of the chopper, the switching technique shows some drawbacks that should be taken into consideration in a new design. Read More...

In memory of John Haslet Hall, Intersil co-founder

Quite un-noticed by the electronics industry and without much tribute, John H. Hall passed away on October 30, 2014. Read More...

Book Review: Analog Circuit Design: Discrete & Integrated

I am reviewing an undergraduate textbook that Professor Franco has written that I believe is one of the best I have seen on the market today for engineering students as well as anyone interested in learning the basics of electronic design. Read More...

>> SEE ALL

Designer's Notebook: Hot & cold running oscillators

Being a light overview of ways to generate accurate frequencies. Read More...

Reverse Transmittance

In a case where you want make signal flow go only in one direction while actively suppressing signal flow back in the opposite direction (call that the suppression of reverse transmittance or of inverse transmission or whatever you choose), your choice of op-amp configuration can play a significant role. Read More...

Designer's Notebook: Signal Isolation

A quick overview of signal isolation techniques. Read More...

Quick & dirty impedance, noise, and jitter measurements

More interesting and unusual approaches to measurement. Read More...

Vote for the Engineer of the Year

DesignCon2015 has announced the finalists for the Engineer of the Year Award (sponsored by National Instruments). The award includes a $10,000 grant that will be given out at DesignCon. Read More...

Help save a part of engineering history

The first house to have a telephone is up for sale. You can help turn it into a museum. Read More...

Delighting In Old Stuff

Something fell out of an old cardboard box the other day. It dates from my early days at Sanders Associates in Nashua, NH, but how it got into that old box is anyone's guess. Read More...

Circuit paradoxes – Or are they?

I am sure that at some point all of us have come across puzzling circuit situations that, at first sight, seem to be plain absurd. I want to share some I’ve run into during my student days (usually very late at night). Read More...

Classic oscilloscope front panels show how it's done

Scope front panels can teach us lessons about design and ergonomics. Let's look at some older ones, including the best front panel ever. Read More...

Book review: Controlling Radiated Emissions by Design

This near-classic EMC book, now in its third edition, keeps pace with todays radiated emissions problems using easy-to-understadn examples. Read More...

Breaking news from the MEMS Executive Congress: Advanced Innovation Community (AIC)

MEMS Industry Group (MIG) with support and innovation from inaugural AIC member, Freescale Semiconductor, plan to reduce time-to-market, startup costs, risk and barriers-to-entry by encouraging inputs and collaboration from across the MEMS/sensors supply chain. Read More...

>> SEE ALL

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