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How to multiply currents: Inside a Counterfeit Analog Multiplier

How to multiply currents: Inside a Counterfeit Analog Multiplier
by Ken Shirriff on 09-27-2020 at 10:00 am

Inside a Counterfeit Analog Multiplier

A recent Twitter thread about a counterfeit analog multiplier chip attracted my attention since I’m interested in both counterfeit integrated circuits and how analog computers multiply. In the thread, John McMaster decapped a suspicious AD633 analog multiplier chip and found an entirely different Rockwell RC4200… Read More


Innovating to Survive

Innovating to Survive
by Vivek Wadhwa on 09-27-2020 at 8:00 am

Innovating to Survive

The global COVID-19 pandemic has almost shut down entire industries, forcing companies of all sizes to adapt and evolve. It has also done incredible things for a pivot to innovation.

Safety has had to come first. And for many, that meant changing how they worked, using technology to power a shift to remote work and servicing of customers.… Read More


Inside the HP Nanoprocessor: A High-speed Processor That Can’t Even Add

Inside the HP Nanoprocessor: A High-speed Processor That Can’t Even Add
by Ken Shirriff on 09-06-2020 at 10:00 am

Inside the HP Nanoprocessor

The Nanoprocessor is a mostly-forgotten processor developed by Hewlett-Packard in 19741 as a microcontroller2 for their products. Strangely, this processor couldn’t even add or subtract,3 probably why it was called a nanoprocessor and not a microprocessor. Despite this limitation, the Nanoprocessor powered numerous… Read More


Appraising the Health of Early-stage Startups

Appraising the Health of Early-stage Startups
by Richard Curtin on 08-02-2020 at 10:00 am

APGAR Point Scoring System

Investors of capital, whether financial or human, utilize numerous methods to decide to participate with an early-stage / seed-stage technology company. The risks are, by definition, much higher than later stage companies pursuing investment in their Series B/C or beyond rounds. It is helpful to establish consistent “health… Read More


I Cancelled My Flight

I Cancelled My Flight
by Roger C. Lanctot on 04-05-2020 at 10:00 am

I Cancelled My Flight

Three weeks in to the current period of COVID-19 “social distancing” guidelines I have cancelled already-booked flights to Barcelona (cancellation of Mobile World Congress), Austin, Tex. (cancellation of SXSW), and London (cancelled company meeting). So it seemed logical that I’d cancel my flight to … Read More


Where have all the Leaders gone – a profile of T.J. Rodgers

Where have all the Leaders gone – a profile of T.J. Rodgers
by Erach Desai on 03-11-2020 at 10:00 am

T.J. Rodgers SemiWiki

Silicon Valley has morphed from the days of semiconductor fabs interspersed between strawberry farms, and 3:00 pm rush-hour traffic during the shift change for the fabrication facility engineers and technicians. The leadership of technology companies has also arguably devolved from people who inspired employees and stewarded… Read More


Rest in Peace Randy Smith (1959-2020)

Rest in Peace Randy Smith (1959-2020)
by Daniel Nenni on 02-08-2020 at 8:00 pm

Randy Smith Memorial

The semiconductor industry lost another good one last week, my friend, co-worker, and longtime SemiWiki contributor, Randy Smith. Randy published sixty blogs on SemiWiki over the last eight years that have been viewed more than a half million times. That is quite a digital legacy, absolutely.

Like myself, and many other semiconductor… Read More


The Tech Week that was January 20-24 2020

The Tech Week that was January 20-24 2020
by Mark Dyson on 01-28-2020 at 6:00 am

Semiconductor Weekly Summary 2

Happy Chinese New Year.  Let’s hope the Year of the Rat brings a recovery for the semiconductor industry.  The initial signs are all good with many positive indications in the news this week, but let’s hope the Wuhan coronavirus doesn’t derail the recovery by becoming a global emergency.  To all those based in China stay safe … Read More


Cycling and CES 2020

Cycling and CES 2020
by Daniel Payne on 01-16-2020 at 10:00 am

eflow min

It’s a new year, so time to share with you all things cycling being shown at CES. Yes, most of CES is devoted to new TV displays, futuristic automobiles, all things 5G, laptops and mobile phones, but there’s a growing segment of consumer products for fitness, and cycling happens to be my fitness passion. Riding a bike … Read More


No Coal in This Stocking: VCs and Nuclear Fusion

No Coal in This Stocking: VCs and Nuclear Fusion
by Bernard Murphy on 12-25-2019 at 6:00 am

Is fusion energy close?

Tis the time of year when product pitches are 100% at consumers. No-one in their right mind wants to push the nerdy behind-the-scenes stuff we usually talk about. This is a chance for me to go off the rails a little and consider unusual directions in innovation. We know all about VCs underwriting self-driving cars, intelligent everything… Read More