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A hex (code) upon us
In the recent Design Idea "Find hex-code values for microcontroller’s ADC voltages," we flubbed a key formula. The typo made the Design Idea seem less impressive than it actually is and prompted some colorful reader comments.... (more) Details... more...
Photodiode amplifier Design Idea prompts discussion
A recent Design Idea, "Photodiode amplifier exhibits one-third the output noise of conventional transimpedance amp" has prompted an interesting back-and-forth between some inquisitive readers and the author, Glen Brisebois of Linear Technology. See the comments in the "Feedback Loop" section on the right-hand side of the article page, or here's a Details... more...
Design Ideas cruise the analog domain
This issue's clutch of Design Ideas emanates from the analog electronics domain. Frequent contributor Marián Štofka scores a double with, first, "Paralleling decreases autozeroamplifier noise by a factor of two." Štofka parallels all four auto-zero amplifiers in an Analog Devices AD8628 and proves that t... (more) Details... more...