SEGGER’s J-Link PRO PoE, a new member of the J-Link family, with its Power-over-Ethernet capability, is the ideal programming and debug probe for creating fast, automated, massively parallel, and reliable test farms. Quality assurance requires testing, testing, and more testing. The J-Link PRO PoE makes automated mass testing simple as it has all the features […]
Ethernet
Digital radio processors demodulate and decode up to four channel
Skyworks Solutions, Inc. introduced the Si469xx family of automotive digital radio coprocessors for future in-vehicle infotainment (IVI) systems. With its combination of integration, flexibility, and low cost, the Si469xx family of coprocessors is optimized to operate with Skyworks’ Si479xx Hybrid Software Defined Radio (SDR) Tuners to achieve a cost-effective digital radio receiver. The new Si469xx product family […]
What inductor characteristics are needed for PoDL in Single-Pair Ethernet?
Basic Single-Pair Ethernet (SPE) requires at least a common mode inductor (CMI). When power over data line (PoDL) functionality is added, so is a differential mode inductor (DMI) and sometimes an isolation transformer. These magnetic elements interact and can reduce SPE performance. Correctly specifying them is important to ensure efficient operation and reliable data transfer. […]
Gigabit Ethernet switch feature two integrated PHYs for industrial automation
Microchip Technology announces the LAN9662 Gigabit Ethernet Switch with four ports, Audio-Video Bridging and Time Sensitive Network (AVB/TSN), two integrated 10/100/1000BASE-T PHYs and a 600 MHz Arm Cortex-A7 CPU subsystem. To support industrial Ethernet applications, the LAN9662 features a Real-Time Engine (RTE) that provides the ability to modify the Ethernet frame in flight, enabling faster cyclical data […]
What’s the difference between an SPE isolation inductor and a transformer?
Single-Pair Ethernet (SPE) isolation inductors and transformers are available in several configurations. They are used in applications where simple capacitive isolation is not sufficient. There are two types of SPE isolation transformers: simple chip transformer designs and so-called case transformers that combine isolation functions with common mode rejection. This article examines the applications for SPE […]
How do common mode inductors work in Single-Pair Ethernet?
This article begins with a brief review of the operation of CMIs and then looks at how the CDN fits into SPE designs and the specific role of CMIs. A CMI blocks high-frequency noise common to two power or data lines. It allows direct current (DC) power or lower frequency signals to pass with minimal […]
How to specify differential mode inductors for Single-Pair Ethernet?
Differential mode inductors (DMIs) are important components for the Power over Data Line (PoDL) and the related Single-Pair Power over Ethernet (SPoE) standards. This article begins by reviewing where DMIs fit into Single-Pair Ethernet (SPE) and then compares PoDL and SPoE implementations and application targets. Coupling and decoupling DMIs play an important role in SPE […]
What is Single-Pair Ethernet and PoDL?
Single-Pair Ethernet (SPE) is defined in IEEE 802.3 and adapts the basic Ethernet standard to use a single wire pair. Power over data line (PoDL) is sometimes referred to as power over Ethernet (PoE) adapted for SPE. That’s only partially correct; PoDL is optimized specifically for automotive and similar environments, and the newer single pair […]
Gigabit Ethernet PHYs support both copper and fiber interfaces
Microchip Technology announces it has extended its radiation-tolerant (RT) Ethernet PHY devices with the new VSC8574RT PHY. The VSC8574RT PHY supports the Serial Gigabit Media Independent Interface (SGMII) and Quad Serial Gigabit Media-Independent Interface (QSGMII) to reduce the overall signal pins in the design and free up the host device. Space applications operate in environments […]
Module brings Wi-Fi, Bluetooth, Thread, and Matter to embedded designs
The IRIS-W1 module from u-blox lets IoT devices connect over Wi-Fi and Bluetooth while supporting Thread and Matter protocols. IoT module company u-blox has announced the IRIS-W1, which the company claims is the first stand-alone Wi-Fi module to combine dual-band Wi-Fi 6, Bluetooth LE (Low Energy) 5.3, and Thread including support for Matter protocols. Based […]
