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Analog Wire
Settling Time
Posted
6 days ago
by
Bruce Trump
Settling time is the time required for an op amp to...
Analog Wire
Slew Rate—the op amp speed limit
Posted
14 days ago
by
Bruce Trump
Slewing behavior of op amps is often misunderstood...
Analog Wire
Grounding Principles
Posted
27 days ago
by
Bruce Trump
In a previous blog on supply bypassing , I cautioned...
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DAC Essentials: What’s with all this glitch-ing?
Tony Calabria
06 14 2013 03:06 PM
When designing with a digital-to-analog converter (DAC), you expect the output to move from one value to the next monotonically, but real circuits don’t always behave that way. It’s not uncommon to see overshooting or undershooting, quantified...
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This amplifier doesn't exist...now what?! - Part 2
Xavier Ramus
06 12 2013 09:24 AM
In Part 1 of this post, we looked at the theory involved in making a composite amplifier , but we had yet to replace the ideal amplifier with a real component. Here we will discuss the physical implementation of the second stage. A current feedback...
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Engineering the world through Analog
Hagop Kozanian
06 07 2013 01:00 PM
Our lives are surrounded by analog everywhere we go. That’s not news to the Analog Wire audience, but it may surprise some that in this age of digital electronics, analog technology is more pervasive and impactful than ever. In everything from power...
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Cable equalization 101 - Simulating the design and improving stability
Hooman Hashemi
06 05 2013 11:00 AM
In “ Cable Equalization 101 - Automating your design ,” we saw how a spreadsheet like Excel can be used to generate an equalization design rather painlessly, and we obtained the design in Figure 1 below. Here, we will use simulation to make...
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Ditch the NTC thermistor: use an analog temp sensor
Brian Gosselin
05 31 2013 02:04 PM
NTC thermistors and analog temperature sensors are two commonly used temperature sensing solutions that can be used for most electronic applications. Deciding which technology is the best fit for your application can be a difficult task. However, I’m...
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DAC Essentials: The resistor ladder
Kevin Duke
05 29 2013 04:27 PM
In my last post, I discussed the string DAC architecture and its tendencies― if you missed it you can view that post here . This post will focus on two very similar architectures, the R-2R DAC and the MDAC. Recall that the big limitation of the string...
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This amplifier doesn't exist...now what!?
Xavier Ramus
05 24 2013 09:14 AM
Sometimes it’s impossible to find an amplifier with the right input and output characteristics, but a signal chain approach described in my previous blog posts on high gain, high bandwidth works well. Although very high gain can be achieved, one...
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Cable equalization 101 – Automating your design
Hooman Hashemi
05 21 2013 05:47 PM
Judging by the number of views on a post related to numerical cable equalization , on the High Speed E2E forum (more than 3,700 at last count!), I would guess that it’s a pretty interesting topic for many folks. Since TI is one of the leading manufacturers...
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RS-485 - Who says you can't teach an old dog new tricks?
Neel Seshan
05 17 2013 03:37 PM
Would you agree that RS-485 has turned out to be one of the most versatile communication standards when it comes to industrial applications? It’s very reliable for long distance communication and very popular. In all the years that the RS-485 standard...
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Filter for thought
Soufiane Bendaoud
05 16 2013 09:45 AM
Have you ever wondered how engineers designed active filters before the birth of software? They were able to do it using nomographs - but before we talk about what these are, let’s refresh our memory a little bit on active filters. Magnitude...
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