Tech-Etch manufactures EMI Shielded Quiet Vents from prototype to high volume requirements. In-house plating improves shielding effectiveness and environmental protection, while providing fast turnaround. 8300 Series Quiet Vents are designed to provide high EMI shielding ratings of up to 90 dB attenuation. Shielding performance is achieved from two ¼-inch thick honeycomb … [Read more...]
New Dual-Ridge Horn Operates from 18-40 GHz
MVG is proud to introduce the Dual-Ridge Horn (18-40 GHz), the new addition to the EMC Antenna Family! The EH1840 antenna is a single, linearly polarized that combines stable gain performance, low VSWR, and excellent cross-polar discrimination with wide band frequency operation. The unique horn design suppresses any possible excitation of higher order modes in the … [Read more...]
New Easy-to-Use EMI Test Software
The R&S ELEKTRA EMI test software has been designed for easy and intuitive EMI measurements during product development. It supports EMI test receivers and spectrum analyzers from Rohde & Schwarz. Even development engineers or technicians who only occasionally use these instruments to measure electromagnetic interference are able to configure automated test sequences … [Read more...]
The Importance of Layout in ESD Suppressing Diodes
ESD protection of sensitive electronics via transient voltage suppression (TVS) diodes is becoming a common circuit technique across industries. Signal lines in a circuit that are accessible to humans by touch (such as USB, HDMI, etc.) require ESD protection on all sensitive signal lines that are input to some IC’s. Placement of the ESD protection diodes on the circuit board … [Read more...]
Measuring Common Mode Versus Differential Mode Conducted Emissions
When faced with excessive conducted emissions from switching power supplies, one of the first things to investigate and to determine the adequacy of is the power line filter. Line-powered switching supplies generally have both common mode and differential mode sections of the filter as shown in the generalized schematic in Figure 1. When using a line impedance … [Read more...]
Near Field H-Loop Antenna for RF / EMI / EMC Diagnosis
We have been adding more and more specific antennas to our offering over the last few months, in order to help users get the best value from RF Explorer. As you probably know, the right antenna at the right place makes all the difference. Directional, omnidirectional, narrow band, wide band, patch, cloverleaf are available for different frequency ranges at SeeedStudio and … [Read more...]
Update to EMI Filter Selection Simulator Available
Murata Manufacturing Co., Ltd. is offering an update to their EMI filter selection software. The software simulates effects of Murata EMI Filters and Chip Capacitors based on specified conditions. Function This can be done easily by using the mouse on your Windows interface. The results of simulation are shown in the charts of "Voltage-waveform" and … [Read more...]
New Low-Cost Regulated SIP8 DC/DC Converters Launched
RECOM’s new regulated DC/DC converters RSE (2 Watt) and RSOE (1 Watt) series were developed for a variety of industrial, transport, test & measurement which require on-board 5V power supplies; the cost-effective converters operate at extreme temperatures from -40°C up to +80°C at full load. The fully upgraded DC/DC converters are offered with nominal 2:1 input voltages … [Read more...]
New High Current Shielded Power Inductors Introduced
Coilcraft's SER1400 Series High Current Shielded Power Inductors are designed for high current power supply applications, and AEC-Q200 Grade 1 (−40°C to +125°C) — SER1412 only. They come with flat wire windings for exceptionally low DCR, and have specially formed terminations to provide a small footprint. Versions for high Isat applications and high Irms applications are … [Read more...]
New Online Transformer Tool Interacts with Design Suite
Wurth Elektronik is proud to announce the interaction of their Smart Transformer Selector (STS) with STMicroelectronics’ eDesignSuite. The STS is an online tool available to users for searching and selecting flyback transformers. “For the first time, there’s a design suite that can generate an entire BOM where all components can be purchased off the shelf, including the … [Read more...]
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