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analogdevices

EMI testing for IoT transceivers

June 21, 2022 By Lee Teschler Leave a Comment

A few oscilloscope measurements can give insight into sources of electromagnetic interference that garble the operation of wireless IoT devices. Examine a typical wireless device with an internet of things connection and you’ll likely find multiple RF receivers squeezed together in close proximity onto a circuit board. Cramped quarters characterize modern IoT electronics, so sensitive […]

Filed Under: FAQ, Featured, oscilloscope measurements Tagged With: analogdevices, FAQ, rohdeschwarz, Tektronix

The ups and downs of bad DACs

May 27, 2022 By David Herres Leave a Comment

DACs

A digital-to-analog converter (DAC) is more prone than an analog/digital converter to signal degradation. DACs are complex devices requiring precisely matched components. For this reason, with notable exceptions, DACs are implemented as mixed-signal ICs based on MOSFET technology. Discrete component DACs are found in radar systems and high-speed test equipment including digital sampling oscilloscopes. Digital […]

Filed Under: FAQ, Featured, oscilloscope measurements Tagged With: analogdevices, FAQ, texasinstruments

Generating sine waves from triangle waves

October 8, 2021 By Lee Teschler 1 Comment

triangle to sine wave

Analog Dialogue is a free technical magazine from chip makers Analog Devices Inc. Published monthly since 1967 and now done online, Analog Dialogue covers circuits, systems, and software for signal processing that relate to ADI chips. A feature in Analog Dialogue recently caught our eye because it covered some interesting territory relating to the generation […]

Filed Under: FAQ, Featured, New Articles Tagged With: analogdevices, FAQ

Bit errors and ADC testing

April 19, 2021 By David Herres Leave a Comment

BERT

Most engineers are introduced to the basic performance parameters of analog/digital converters in school. So specifications such as SNR, SINAD (Signal-to-noise and distortion ratio), ENOB (Effective Number of Bits), and THDA (total harmonic distortion analysis) are all familiar ADC terms found in ADC data sheets. Ditto for an INL error, described as the deviation, in […]

Filed Under: FAQ, Featured, New Articles, Test and Measurement News Tagged With: analogdevices, FAQ

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