Single-/dual- supply precision analog limiter handles wide-band signals

U1_1 has a gain of -1 for the input signal Vi , and a gain of +2 for the reference signal VREF . Since the positive input of U1_1 is referenced to VREF , the output signal is referenced to 2 × VREF. [...]while the input signal rises from zero to VREF , the output signal of the first stage decreases...

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Bibliographic Details
Published inElectronic Design Vol. 65; no. 9; p. 39
Main Author Rysin, Alex
Format Magazine Article Trade Publication Article
LanguageEnglish
Published Nashville Endeavor Business Media 01.09.2017
Subjects
Circuit design
Electronics
Integrated circuits
Product design
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Summary:U1_1 has a gain of -1 for the input signal Vi , and a gain of +2 for the reference signal VREF . Since the positive input of U1_1 is referenced to VREF , the output signal is referenced to 2 × VREF. [...]while the input signal rises from zero to VREF , the output signal of the first stage decreases from 2 × VREF to VREF . REFERENCES Thomas Mosteller and Aaron Schultz, "Op Amps Make Precision Clipper, Protect ADC" Electronic Design, November 2016 Datasheet, LT1810 - Dual 180MHz, 350V/μs Rail-to-Rail Input and Output Low Distortion Op Amps (http://www.linear.com/product/LT1810) Credit: ALEX RYSIN | Analog Design Engineer
ISSN:0013-4872
1944-9550