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The Final Knock-Down for Auto AM Radio?
Analog Angle  
11/30/2018   6 comments
It looks like AM radios in EV/HEVs are going the way of the carburetor due to EMI/RFI and other factors.
Would You Ever Consider Liquid Cooling?
Analog Angle  
11/30/2018   Post a comment
Liquid-based cooling of electronics is rarely the preferred solution to thermal management, but it may be the only one; improvements in the underlying components may make it a more-palatable option.
When Vendor Numbers Defy Ohm's Law
Analog Angle  
10/25/2018   6 comments
The basic component values associated with the low-voltage AC charging circuit for the Ring2 video doorbell have me wondering if I am missing some basic understanding.
What's the Impact of Medical-Design Mandates?
Analog Angle  
10/24/2018   1 comment
Medical devices from wearable to big machines embody leading-edge technologies, but they also must meet an enormous menu of safety, power, and EMC standards that have major effects on design innovation, flexibility, and time to market.
My Personal STEM Experiment
Analog Angle  
9/27/2018   1 comment
It’s hard to find viable, simple, tangible demonstrations of STEM-related concepts, but an old-fashioned Received Signal-Strength Indictor (RSSI) and TV provided one.
Is Graphene the Next Silicon?
Analog Angle  
9/27/2018   1 comment
Like Silicon, single-atom sheets of Carbon, known as Graphene, can be the base material for diverse innovations across multiple disciplines and applications.
Analog Circuits Give Boost to STEM Reality
Analog Angle  
8/31/2018   Post a comment
Basic, all-analog circuitry can be probed and teach STEM students more than about engineering than just keyboard-based coding
When Lightning Strikes, Will a Surge Protector Help?
Analog Angle  
8/28/2018   6 comments
Protecting your PC or similar against lightning-induced line transients should be a problem with several straightforward options as solutions, but it is not.
Yes, Do Put Your Label on Me
Analog Angle  
8/1/2018   1 comment
Simple things like proper labeling of cables and additional annotation is an easy way to make a big difference in debugging of prototypes and pilot units.
Can Adding Noise Actually Improve System Performance?
Analog Angle  
8/1/2018   2 comments
Improving system performance: Add a small amount random noise to the signal being digitized; this is also called adding “dither.
Noise Monitor: Simple Ideas Can Be Winners
Analog Angle  
6/27/2018   1 comment
Simple problem-solving ideas can be potential winners; today’s low-cost sensors and simple I/O interfacing make many of these ideas very feasible at low R&D and BOM cost.
The Allure and Risk of Second Sources
Analog Angle  
6/26/2018   3 comments
Second and alternate sources are both a luxury and risk for designers, so great care in listing them is mandatory.
Gate Drivers Get Some Deserved Attention
Analog Angle  
3/22/2018   Post a comment
Deciding which power-device driver to use may not seem like a big deal, but how well it matches the power device and design objectives is an important factor in overall performance and reliability.
Radically Rethinking Antennas
Analog Angle  
2/16/2018   1 comment
Antennas have come a very long way from the classic metal-element versions; are you ready for their next phases?
HVAC Upgrade Shows Interconnect Complexity of These "Simple" Systems
Analog Angle  
12/25/2017   1 comment
It’s easy to assume those people’s systems are simple when you don’t know the realities of their intricacies or history.
Giving Connector Contacts Adequate Consideration
Analog Angle  
12/22/2017   2 comments
The humble metal contact inside a multipin connector comes in a wide variety of configurations, for good reasons – do you know them?
Get Ready for Retro Audio Cassettes & Landline Phones
Analog Angle  
12/3/2017   4 comments
Those “good old days” of analog cassette tapes and landline phones aren’t coming back, but there are still people who like them and the niche they represent.
Can the Right Diagrams Enhance STEM Engagement?
Analog Angle  
11/30/2017   2 comments
Product teardowns are important, but when accompanied by diagrams they provide far deeper insight and interest among prospective engineers.
Silicon plus Analog May Replace the Imaging Lens
Analog Angle  
10/31/2017   Post a comment
The traditional optical-imaging lens may be replaced by a silicon photosensor array plus sophisticated image-capture timing and analog circuitry, if this CalTech project can be extended
Satellite Growth is Great News for Analog
Analog Angle  
10/30/2017   Post a comment
Satellites have evolved from one-of-a-kind, customized systems to moderate-volume “products” with positive implications for analog components and design.
The Hottest Data-Storage Medium Is...Magnetic Tape?
Analog Angle  
10/9/2017   2 comments
Old-fashioned tape-drive technology is reaching new performance levels, and gaining new uses for archival, low-cost, protected storage and backup.
Considering the Car as a Mobile Antenna "Farm"
Analog Angle  
10/7/2017   Post a comment
As cars add more RF connectivity paths, placing all those needed antennas is a major design challenge and headache.
Over-the-Air TV Broadcasts: Making a Comeback
Analog Angle  
8/29/2017   9 comments
Cable TV provides a high-quality signal at a price, but free broadcast TV is still available – and growing again with the increase in cord cutters.
Voyagers 1 and 2: Forty Years and Still Going (Even If Not So Strong)
Analog Angle  
8/20/2017   3 comments
The Voyager 1 and 1 spacecraft just passed the 40-year mark and have left our solar system; a project of such success, longevity, and persistence is a testament to scientists and engineers across many disciplines.
Smith Chart: Old Tool, New Home
Analog Angle  
7/27/2017   1 comment
Nearly 100 years old, the widely-used Smith chart is now owned by an IEEE society.
Underwater Optical Links Make 5G Look Easy
Analog Angle  
6/28/2017   1 comment

If you think doing a wireless link is tough, try developing a moderate-speed, moderate-distance, reliable one for underwater communications.

Is Single-Photon Microwave/RF the Next Big Thing?
Analog Angle  
6/27/2017   Post a comment

Why restrict single-photon links and experiments to just optical wavelengths, when there are possibilities for using them in the standard RF bands?

When a Sensor Is Truly In “The Twilight Zone”
Analog Angle  
5/28/2017   2 comments
If you are capturing individual photons which represent encoded data, is that an analog or digital domain?
Determining Wind Chill: When the Sensor is Not the Issue
Analog Angle  
4/27/2017   Post a comment
There’s an unavoidable gap between the high accuracy of air-speed measurements and the modest confidence in the wind-chill conclusions derived from those measurements.
Why 5G Impresses and Worries Me
Analog Angle  
4/20/2017   1 comment
Wireless Earbuds: When a Clever Solution Brings New Problems
Analog Angle  
1/28/2017   2 comments
It’s easy for a technical solution to become more complicated than the original problem it is intended to minimize.
Can Cars and Electronics Have a Long-Term Relationship?
Analog Angle  
1/22/2017   1 comment
Will the longer lifetime of cars versus the shorter one of many electronic components and services become a sore point as cars are transformed into ADAS-laden, connected vehicles?
Do They Know that "Analog" Makes Digital TV Possible?
Analog Angle  
12/26/2016   4 comments
It takes a lot of unappreciated analog ICs to make digital image capture, editing, and production into today's seamless reality.
Drone Detection: An Interesting RF Challenge
Analog Angle  
12/26/2016   3 comments
Detection a nearby drone is a difficult task for many reasons, but a new system with a sophisticated 3-D antenna claims to be able to do so.
2017: Year of the Adapter?
Analog Angle  
11/29/2016   Post a comment
Adapters which transform old interfaces into new ones will be essential in 2017, but is the quality there?
Give Me Back My External Wi-Fi Antenna Connector, Please
Analog Angle  
11/28/2016   2 comments
A passive hardware solution is often much easier to implement than one based on a sophisticated active device; when that option is removed, frustration often follows.
The Zero-Ohm Resistor: A 'Simple' Passive Component?
Analog Angle  
10/28/2016   2 comments
There are several reasons you might need this component which might appear useless at first, and it takes a lot of technology to make one which meets today's system requirements.
Instrumented Hockey Puck is an Extreme Analog Design
Analog Angle  
10/26/2016   Post a comment
Extreme-design challenges can be found in ordinary situations such as hockey and other sports
Getting closer to the electronic nose, via a 250-GHz route
Analog Angle  
9/26/2016   Post a comment
We are a long way from the versatile nose of a bloodhound, but ultrahigh-GHz CMOS ICs are offering a focused gas-measurement opportunity.
The STEM shortage: real or not?
Analog Angle  
9/24/2016   1 comment
We hear a lot about this "crisis," but whether it exists and, if so, to what extent, may be an unanswerable question.
Goodbye VCR, We'll Miss What You Did for Us
Analog Angle  
9/20/2016   3 comments
It's formal end-of-life for this astounding consumer product, whose social impact is acknowledged while the amazing engineering feat it embodies is usually glossed over.
Gas Discharge Tubes: Old Protection in a New Bottle--Literally
Analog Angle  
9/13/2016   Post a comment
Sometimes the "old" is more than merely "new again", but instead is the only viable solution to a challenging technical problem.
More to Microphones than MEMS
Analog Angle  
8/15/2016   22 comments
MEMS-based microphones are way ahead of traditional electromechanical microphones in unit volume; the classic designs still have their unique roles—but for how long?
Bluetooth-Enabled Tools: Too Much IoT?
Analog Angle  
8/12/2016   2 comments
Adding wireless connectivity and an app to a basic product brings benefits, but at what design cost plus potential user headaches?
Passive radar/sonar changes analog circuits, processing
Analog Angle  
7/27/2016   2 comments
High-performance, passive radar and sonar systems offer enhanced stealth potential, but also place major demands on the analog sensor and front end channels, as well as the digital signal-processing algorithms.
Go ASIC for Analog?
Analog Angle  
7/20/2016   2 comments
Analog ASICs offer an alternative that deserves serious consideration, despite the huge number of excellent, off-the-shelf analog ICs.
Circuitry: Heal Thyself!
Analog Angle  
5/18/2016   1 comment
The self-healing circuitry of science fiction isn't here yet, but there's significant research underway at NASA and universities to make it into a reality
A Non-Reciprocal Antenna May Yield New RF Options
Analog Angle  
5/13/2016   Post a comment
When a technical advance challenges a long-held assumption, new thinking is needed--but it may be hard to implement
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latest blogs
I checked another item off my ‘Bucket list’ last week. NASA enabled me up to ‘fly’ the Mars Orion simulator!
A transimpedance amplifier (TIA), which takes the current from a photodiode and converts it into a usable voltage with low output impedance, can provide effective gain for a photodiode signal.
The op amp-based current sensing circuit described here is not new, it has been around for some time, but with very little discussion of the circuit itself. Somewhere along the line it was informally given the name: "Current Drive" circuit, so we'll call it that for now.
EnOcean has enabled millions of wireless light switches that do not contain batteries and has now introduced the “Battery-free by EnOcean” seal to highlight the self-powered switches’ benefits at a glance.
In October, a New York City Police Department officer on Staten Island wore a body camera that unexpectedly began smoking and caught on fire.
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