Signal Integrity

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MACOM has entered into a definitive agreement to acquire AppliedMicro Circuits Corp. The acquisition, valued at approximately $770 million, allows MACOM to strengthen its portfolio for the data center market, adding OTN framers, MACsec Ethernet networking components and a single-lambda PAM4 platform.

The new R&S RT-ZP1X passive 1:1 probe from Rohde & Schwarz broadens the application range of its R&S RTO and R&S RTE series oscilloscopes. Both the probe and the oscilloscopes' front-end are extremely low noise, making this combination ideal for measuring the smallest of signals down to 1 mV/div, e.g., for power integrity measurements on integrated circuits and components.

Analog Devices Inc. announced a new generation of high-precision successive-approximation (SAR) analog-to-digital converters (ADCs) that uniquely combine the attributes of high performance, low power, small footprint and ease of use. These ICs enable mobile test and measurement instruments to operate for longer duration during field tests while improving measurement accuracy and repeatability. The new devices also support development of smaller-sized instruments, which can be placed closer to the sensors being measured, or allow for an increased number of data acquisition channels in the same form factor.

Samtec announces the expansion of the ExaMAX® High-Speed Backplane Connector System optimized for high-density and high-speed performance. The scalable ExaMAX® system meets today’s data rates while providing a future-proof path for next generation architectures.

CUI’s Components Group today announced an expansion to its existing portfolio of power, audio and signal connectors with the addition of a USB product line. The new connector family incorporates USB 2.0 and 3.0 connectors available in Type A, Type B, Micro AB, Micro B, Mini AB and Mini B USB versions. Able to support data rates up to 5 Gbps in USB 3.0 models, the new product family is ideal for a variety of I/O applications in consumer and portable electronic devices, including mobile computing equipment, digital audio devices and high volume storage products.

Differential clock and timing devices are commonly characterized for phase noise using baluns. While deceptively simple to use, baluns perform a fairly complicated process that can unknowingly introduce artifacts into measured results. This article describes such artifacts, discusses why they appear and how to eliminate them. Recommendations are provided for selecting a balun and using it to accurately characterize devices for phase noise.

In this paper, we introduce a special class of resonant structure - the Beatty Standard - along with other classic resonators. We examine closely the resonant Beatty Standard, its impedance profile, loss characteristics, and its application to printed circuit board material property extraction. Suited for 32 Gbpsec simulation requirements, the Beatty Standard not only provides engineers a compact structure to perform material property extraction, but also help with establishing a robust design flow.