046-047_EETE-VF

EETE DECEMBER 2012

DESIGN & PRODUCTS Reader Thin film thermoelectric power generators To win: three digital audio deliver up to 50mW of DC power development boards Laird Technologies’ Thermobility Series are self-contained thin film thermoelectric power generators that harvest waste heat This month, technical broadline dis- and convert it to usable output DC power. Due to its compact tributor Future Electronics is giving away three of its Audio size, ability to regulate voltage and store Streamer Micro-Blox development boards, worth USD 350 power, these products are suitable to each, for EETimes Europe’s readers to win. The develop- power wireless sensors, low power LEDs ment board features an ARM Cortex-M4 microcontroller or trickle charge batteries where a heat with audio file decompression software, a choice of high- source is readily available. The company end and low-cost has two products on offer. The WPG-1 DACs, a codec, and measures 35x38.65x27.06mm and is ca- digital and analogue pable of producing up to 1mW of usable microphones. By us- output power from a temperature differential ranging from 15 to ing the board’s free 76°C. Output power can be regulated to accommodate three PC-based graphi- voltage set points: 3.3, 4.1 or 5.0V. The WPG-1S measures cal user interface, 34.99x38.65x35.54mm and delivers up to 50mW of output which connects to power from energy stored on a micro power module. It has a the board via USB, regulated output voltage of 3.3V. Custom design services are developers can start available to accommodate alternate heat absorption and heat recording and playing back audio files in minutes. The board dissipation mechanisms or output power requirements, however also provides a hardware environment in which to develop MOQ applies. code and evaluate the performance of ARM Cortex-M4 Laird Technologies application software. At the heart of the new board is the www.lairdtech.com MK60N512VMD100 microcontroller from Freescale, with the free MQX real-time operating system and a free USB stack Digital-storage and mixed-signal oscilloscopes pre-loaded on the MCU. For system-level prototyping, it can be interfaced to Future Electronics’ LongBow Future- feature capacitive touch screens Blox motherboard. The board’s software uses the ARM Agilent Technologies has introduced the InfiniiVision 4000 DSP CMSIS library, which has been optimised for the DSP X-Series digital-storage and mixed-signal oscilloscopes with co-processor available on the ARM Cortex-M4 core. Audio bandwidths from 200 MHz to 1.5 GHz and several bench- file decoding software embedded in the microcontroller can mark features. The units have handle MP3, FLAC, WAV and Ogg Vorbis file types. an update rate of one million Future Electronics waveforms per second with standard segmented memory, Check the reader offer online at which uses patented Mega- Zoom IV smart memory tech- www.electronics-eetimes.com nology. They come with a 12- inch capacitive touch screen and the InfiniiScan Zone touch-triggering capability. M12 connectors for fast With the high-speed wave- form update rate, operation and safe field assembly is always fast, even with digital channels, protocol decod- Provertha expands its offering with what the company claims to ing, math functions or measurements activated. Speed also be the industry wide smallest M12 connectors for field connec- translates into the highest probability of capturing random or tions in CAN-Bus and Ethernet applications. The new M12 con- intermittent events that often go undetected by scopes with nectors enable a fast and fail-safe lower update rates. Because the 4000 X-Series was de- assembly in the field. Secure and signed specifically for touch operation, engineers can select robust connections are provided by targets naturally and quickly. For example, InfiniiScan Zone Crimp snap-in contacts, while the makes triggering as easy as finding the signal of interest and crimp flange ensures 360° shielding drawing a box around it: If users can see a signal, they can and a secure cable strain relief. The trigger on it. To further improve productivity, the interface 5-pole M12 connector with A code includes an alphanumeric touchpad that replaces tedious according to IEC 61076-2-101 is specified for CAN-Bus ap- knob-based operation, and touch-based interaction that plications, while the 8-pole M12 connector (A code) addresses enables greater flexibility in displaying measurement informa- Ethernet applications. The connectors are specified accord- tion. The high level of integration starts with the capabilities ing to IP67. The new M12 connectors operate at an operation of five instruments on one unit: oscilloscope, digital channels voltage von 50VDC and with a current rating of 4A. Wire sizes (MSO), protocol analysis, digital voltmeter and dual-channel from 0.34 mm2 (AWG22) to 0.5mm2 (AWG20) are supported. WaveGen function/arbitrary waveform generator. The temperature range is specified with -20°C to +85°C and the Agilent Technologies connectors comply with quality level 2 for 200 mating cycles. www.agilent.com Provertha Connectors www.provertha.com 46 Electronic Engineering Times Europe December 2012 www.electronics-eetimes.com


EETE DECEMBER 2012
To see the actual publication please follow the link above