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Dennis Feucht
Dennis Feucht, Electronics Engineer, 7/6/2015   Comment now  
The Floating Differential Source (FDS), introduced and explained in the previous article segment, was designed for use in manufacturing test of analog circuits - notably diff-amps in μ C-based data acquisition subsystems. It is short of being a two-port analyzer (TPA) in functional capability and also in manufacturing cost. It saves on ...
Dennis Feucht
Dennis Feucht, Electronics Engineer, 7/5/2015   Comment now  
A few years ago, I was working on the design of a data acquisition system (DAS) that would eventually need to be tested when manufactured. It had both high-side current sensing and floating diff-amp input channels. I could either recommend to the client that some expensive equipment be bought and configured for such testing or else design and build some ...
Dennis Feucht
Dennis Feucht, Electronics Engineer, 7/5/2015   Comment now  
The Innovatia Floating Differential Source (FDS) was designed to measure diff-amp differential and CM gains for voltage or current-input diff-amps. Two variable sources are connected in series, as shown below. The grounded source, VCM (VCM) supplies the CM voltage and the floating source, VDM (VDM) the differential or amplifier input voltage. In the ...
Scott Deuty
Scott Deuty, Power Electronics Expert, 7/2/2015   Comment now   2 comments
As an engineer, eventually you will have to insert an equation into your written work or presentation. This can be a struggle as equation editors are not always the friendliest. However, there is good news. The equation editor in Word has improved immensely (I am using version 2010 here). In this blog we look at how to insert an equation into a Word ...
Kendall Castor-Perry
Kendall Castor-Perry, Architect & Member of Technical Staff, Cypress Semiconductor, 6/30/2015   Comment now  
Wait a minute. Let's see if I understand this. (Here I'm channeling you, the puzzled reader, after you've grabbed me in the coffee break of a Filter Wizard lecture morning). The frequency of the nth harmonic of a sinusoid is n times that of the fundamental. The nth harmonic distortion is defined as the ratio of the amplitude of the nth harmonic to ...
Signal Chain Basics
Signal Chain Basics, , 6/30/2015   Comment now   1 Comment
Single-ended signals are very common, but increasingly signal paths are being converted to differential signals as part of the signal chain. The benefits of differential signaling are particularly appealing with low supply voltage systems and for driving analog-to-digital converters (ADCs). There are many advantages to using a fully differential ...
Most recent post, vijaysimharao, 7/2/2015 4:31:20 AM
nice post
message boards
7/2/2015 4:31:20 AM
vijaysimharao on Signal Chain Basics (Part 102): How to Implement an Active, DC-Coupled Broadband Balun with a Fully-Differential Amplifier
7/1/2015 5:05:18 AM
harmanpreetsinghl on S3 Group Integrated Radio IC for the Iridium and Iridium NEXT network
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