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An eye opener for broadcast video gear
In my daily lab work, I use instruments to measure different signal parameters. This gives me a good understanding of each parameter as well as the ability to uncover signal integrity issues. I know...
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Health care technologies enhance quality of life
Over the past couple of months I’ve been posting on how analog is shaping our future – especially over the next decade. Today let’s take a closer look at how the health technology field is evolving and...
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Add a little TINA to spice up your circuit
Before we get started, let me first acknowledge that nothing replaces the good old fashion way of working at a bench in the lab with scopes, analyzers and audio precision measurement devices!Now, with...
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Why do we need more than one kind of equalizer for video systems?
When you visit www.ti.com, and enter the word equalizer in the search box, you will find two distinct classes of products. You’ll see ICs like the LMH0394 adaptive cable equalizer, and the DS32EV100,...
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Inductive Sensing: Meet LDC, the industry’s first inductance-to-digital...
A revolution in sensing has begun! Today, TI announced the industry’s first inductance-to-digital converter (LDC), a true technology game changer for position and motion sensing. And I don’t say that...
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JESD204B vs. LVDS in high speed data converters
I remember when a 12-bit ADC had 12 LVCMOS data lines and a clock pin to tell your logic when to sample the lines. Oh the simplicity of those days… but I digress. Progress after all is to make things...
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Adapting low speed, precision circuits to the high-speed realm
How do you adapt low speed, precision operational amplifier circuit to the high speed realm? And, more importantly, how do you interpret inconsistencies that you may encounter? In this post, I will...
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DAC Essentials: How accurate is your DAC?
We’ve covered a lot of material in the DAC Essentials series, starting with a simple ideal digital-to-analog converter (DAC) all the way to complex problems, like reducing glitch. In this final post in...
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How to accurately measure current and voltage in a GSM system
In many wireless base station applications, power to the isolated power converter is provided through a -48 V supply. The voltage and the power supply current are normally monitored discretely with a...
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Inductive Sensing: Top three LDC1000 questions
It’s been a few weeks since we unveiled the LDC1000, the industry’s first inductance-to-digital converter (LDC), and the response has been phenomenal. I’ve never seen a new analog product generate so...
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What you need to know about CMRR - the operational amplifier (Part 1)
I think about common-mode rejection (CMRR) often, even outside of work! I am an avid college football fan and when watching games on Saturday at my house I am often interrupted by the common noise of...
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How fast can it run? Determine the speed of your logic device
So, you’re building a system that will use several logic gates. The system will be running at 80 MHz. You plan to fan-out the clock signal through several buffers and a flip-flop. The flip-flop you use...
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Future cars – Not so far away!
I must confess… I am a car buff. But I’m not into just any cars. I prefer cars that are technologically advanced. I’ve been fascinated by advancements in transportation since I was a kid (see one of my...
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Noise gain, signal gain, what a pain!
When I was little my grandfather would ask me “what’s heavier, 5 pounds of lead or 5 pounds of feathers?” and I would immediately answer “lead of course!”Although the volume is not the same, the weight...
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How to build a TIA circuit using fully differential amplifiers
Trans-impedance amplifiers (TIA) are most often built using operational amplifiers (op amps). And, more and more, if not all, analog to digital converters (ADC) are fully differential systems required...
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What you need to know about CMRR- The instrumentation amplifier (part 2)
If you were an op amp, instrumentation amplifiers (INA) are like the sibling you never wanted. That’s because in key applications, such as current sensing and sensor signal conditioning INA’s are more...
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SPICE and IBIS modeling for high-speed channels
I’m the kind of engineer that doesn’t like to build more than ten to twenty prototypes before I have something working. I’m joking of course… the first or second prototype should be very close to a...
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What you need to know about CMRR – Instrumentation amplifier topologies (Part 3)
Not all architectures are created equal. Just like you wouldn’t pick a single tool to build a house you shouldn’t assume all instrumentation amplifiers (INA) operate optimally in all...
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It’s all in the wrist: The future of personal health monitoring
Guest blogger, Jess Goodman M.D., is the current President of VitalSines Inc., a company which manufactures health monitoring systems. Dr. Goodman is a physician with 30+ years of experience and...
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Virtual hospital implementation using a worn health monitor
Guest blogger, Jess Goodman M.D., is the current President of VitalSines Inc., a company which manufactures health monitoring systems. Dr. Goodman is a physician with 30+ years of experience and...
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