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Serial peripheral interface (SPI) is one of the most widely used interfaces between microcontroller and peripheral ICs such as sensors, ADCs, DACs, shift registers, SRAM, and others. This article provides a brief description of the SPI interface followed by an introduction to Analog Devices’ SPI enabled switches and muxes, and how they help reduce the number of digital GPIOs in system board design.
Two full days of technical programming, the EDI CON University, panels, exhibition, networking and show floor presentations covering RF, microwave, signal integrity, power integrity and EMC/EMI await this year’s attendees in sunny Santa Clara, California.
I have lost count of the number of times I have been asked to fix an EMC problem, only to find that a shielding box has been designed or purchased to provide XdB up to fMAX. Or a filter has been designed or purchased with a similar specification, but to reduce cost the filter has been mounted on a printed circuit board (PCB) inside the box, with a cable from it entering or exiting the box through a plain connector.
The 2018 IEEE EMC+SIPI event returned to Long Beach, CA after last visiting in 2011. The event continues to include Signal Integrity & Power Integrity (SIPI) as part of the conference, reflecting the EMC Society’s influence and focus on this critical topic of engineering design.
Here’s a look at how phase noise converts to time-interval error jitter, which is particularly important to those working on reference clocks for high-speed SERDES or sampling clocks. Read on to see how this can help debug systems to reduce sources of timing noise.
Tektronix, Inc., introduced the 6 Series MSO mixed signal oscilloscope. The new oscilloscope extends the performance of midrange oscilloscopes to 8 GHz and delivers a 25 GS/s sample rate simultaneously on all 4 channels. A first for this oscilloscope class, while accommodating the needs of designers working on faster, more complex embedded system designs.
This spring, Molex and Samtec announced a collaboration on next-generation data center solutions. SIJ caught up with Brian Vicich of Samtec, Inc and Brent Hatfield of Molex to find out what that means for engineers.
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