Freescale Semiconductor recently announced its next generation of system basis chips that the company says addresses a number of issues including electromagnetic compatibility robustness requirements for in-vehicle networks. The SBC devices integrate an energy management module to power microcontrollers, transceiver interfaces to connect with in-vehicle networks and low-power … [Read more...]
Pyroelectric Infrared Sensor for Smart Energy Applications
Murata Electronics North America’s pyroelectric infrared (PIR) sensor, measuring 5.0mm x 4.7mm x 2.4mm, makes it suitable for use in compact, low profile electronic equipment and, in particular, energy saving devices. It provides numerous features including high sensitivity and signal to noise ratio, stability against temperature changes and white light and enhanced … [Read more...]
Low-Noise HBT Provides ESD Protection in Wi-Fi Apps
California Eastern Labs’ NESG4030M14 heterojunction bipolar transistor (HBT) at 5.8GHz delivers low-noise 11dB of gain at a low 2V/6mA bias, making it suitable for battery-powered, 802.11a mobile Wi-Fi applications. Fabricated using the firm’s 140GHz fMAX UHS4 SiGe:C process, the device also provides 80V (MM) of onboard ESD protection. The product is housed in a miniature, … [Read more...]
Single-Key Touch Controllers Use Spread Spectrum Modulation
Atmel Corporation recently announced its new AT42QT101X family of single-key touch controllers for the portable device market. The AT42QT101X family uses spread spectrum modulation to ensure electromagnetic compatibility, the company says. Touch controllers offer fast response time, low current consumption, and low noise. The ICs automatically calibrate when powered up and they … [Read more...]
EMC Test Amplifier Can Produce Up to 1500 Watts
AE Techron has developed the 7224, a precision amplifier for the EMC compliance testing market. The 7224 can be used in a wide range of susceptibility test standards, including: Ford EMC-CS-2009, DO-160, MIL STD 461 and T1.315-2001. Depending on configuration, the 7224 can produce up to 1500 watts, has an operating bandwidth of DC to 200kHz, and a 70V per second slew rate. The … [Read more...]
Schurter
USB 2.0 High Speed Filtered Interface
JRE Test’s USB 2.0 passive filter is capable of passing High Speed 480 Mbps data rates. The USB EMI Filter consists of two sets of high speed USB 2.0 ports. Each USB port is designed to reject frequencies greater than 1 GHz while passing data and power between a host computer on one side and a USB device on the other. The USB interface consists of a balanced pair of … [Read more...]
Spectrum Analyzers Add 8 GHz Tracking Generator Option
Small, low cost, and lightweight, the Aeroflex 3250 Series spectrum analyzers now include an optional 8 GHz tracking generator. Ideal for a bench or lab environment, the new 3250 Series tracking generator has a frequency range of 100 kHz to 8 GHz and a level range from 0 dB down to -20 dB. An adjustable output level, with a setting resolution of 0.5 dB, provides additional … [Read more...]
Ultra Rugged Mobile PDA
American Industrial Systems, Inc. (AIS) has introduced an Ultra Rugged Mobile PDA, which features MIL-461F Control of Electromagnetic Interference and Electromagnetic Compatibility ratings. Designed for use in the most adverse conditions, the rugged PDA features a 3.7-inch Transflective TFT LCD Screen providing vibrant color and sharp text in all environments, including direct … [Read more...]
Portable Test Chamber Sized for Notebook PCs
Willtek Communications’ 4933 RF shield, which supports radiation and quality measurements at large radio transceivers, notebook PCs and other electronic equipment, combines a high shielding factor with easy access to the unit under test. The 4933RF measures the radiation of the device under test in an EMC prequalification test, without the need to rent a large anechoic shielded … [Read more...]
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