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Dennis Feucht
Dennis Feucht, Electronics Engineer, 5/1/2015   Comment now  
Sine-wave oscillators such as the Wien-bridge, state-variable, or quadrature oscillators, have an inherently undefined amplitude. Ideally, the poles of their feedback loop are on the jω-axis and the pole-pair defining the resonant frequency has no damping. Yet in real circuits, the amplitude control by the oscillator itself is an unstable equilibrium,
Robert L. Chao
Robert L. Chao, Founder, Advanced Linear Devices, 4/28/2015   Comment now  
We have frequent input from our customers who are developing supercapacitor modules consisting of two or more cells stacked in series and who want to know how to utilize MOSFETs to balance leakage current. Several engineers had a misconception and dismissed low current MOSFETs because the charge and discharge current of the supercapacitor exceeded that ...
Bonnie Baker
Bonnie Baker, Senior Applications Engineer, Webench Design group, Texas Instruments, 4/24/2015   Comment now   2 comments
In DAC BASICS, Part 3: Static specifications, we talked about the static specifications and their impact DC characteristics, such as offset, gain, and linearity. These characteristics are generally consistent across the various topologies of the R-2R and string digital-to-analog converters (DACs). In contrast, the glitch-impulse behavior of the R-2R and ...
Tom Terlizzi
Tom Terlizzi, VP, GM Systems, 4/24/2015   Comment now   4 comments
Just like the quotation in the movie "Apollo 132" and in real life, we design things not to fail. Your "friend" Murphy and Murphy Law 's3 (see Figure 1 below) is out there waiting for you.
Paul Pickering
Paul Pickering, Blogger, 4/23/2015   Comment now   3 comments
With Android continuing to make inroads across the board (64% market share in tablets and 53% in smartphones as of Q1 2015), it's time to take a look at some cool Android apps for analog EEs.
Jonathan Harris
Jonathan Harris, Product Applications Engineer, Analog Devices, 4/23/2015   Comment now  
After looking at the performance metrics in the online ADC simulator tool it is a great time to look at another online ADC tool called the Frequency Folding Tool. It is a useful simulator that helps to understand the effects of aliasing in an ADC. This tool can be found at this link ADI Data Converter Tools. It will take you to the page shown below.
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