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EETE JANUARY 2013

TEST & MEASUREMENT Digital power meter feature 0.1% of reading Rugged portable RF/IF signal recorder accuracy from a few mA up to 40A samples signals up to 500MHz Yokogawa’s WT300 series of digital power meters combine The Talon RF/IF signal recording and playback system Model accurate and reliable power measurement over a wide power RTR 2727 from Pentek is rugged portable recorder suitable range with flexibility, ease of use and a choice of communica- for military and aerospace applications. The system features tion interfaces. The new instruments recording and playback of IF will help developers and manufactur- signals up to 700MHz with ers of electrical equipment – rang- signal bandwidths to 200MHz. ing from domestic “white goods” to It can be configured with lighting systems and air-conditioning 500MHz 12-bit A/Ds or 400MHz equipment – to ensure that their products comply with emerging 14-bit A/Ds and an 800MHz IEC and EN standards and increasingly complex and stringent 16-bit D/A. Pentek’s System- specifications on energy efficiency. Key features of the new in- Flow software allows turnkey struments include a basic accuracy of 0.1% of reading, guaran- operation through a graphical user interface (GUI), while the teed accuracy over the entire measurement range (from 1% to SystemFlow application programming interface (API) allows 130% ), a wide measurement range from standby power levels easy integration of the recording software into custom ap- of a few mA up to the 40A currents used in induction cookers, plications. At the heart of the recorder are the Pentek Cobalt and flexibility to enable users to target different technical and Series Virtex-6 software radio boards featuring A/D and D/A commercial applications. This includes a range of communica- converters, DDCs (digital downconverters), DUCs (digital up- tions interfaces, allowing the WT300 series of digital power me- converters), and FPGA IP. This architecture allows the system ters to be integrated into laboratory test benches or automated engineer to take full advantage of the latest technology in a test set-ups on production lines. USB and GPIB or RS232 is turnkey solution. Optional GPS time and position stamping fitted as standard, and Ethernet is available as an option. In ad- captures this critical signal information within the recording. dition to standard power measurements, the new meters offer The RTR 2727 has a portable, lightweight chassis with up a wide range of harmonic measurement capabilities, including to eight hot-swap solid state drives (SSDs), front panel USB the ability to carry out simultaneous measurement of normal ports and I/O connections on the side panel. Its extremely power parameters such as RMS, mean or DC power along with rugged 100% aluminium alloy case is reinforced with shock measurement of harmonics up to the 50th order. absorbing rubber corners and an impact-resistant protec- Yokogawa tive screen. Shock- and vibration-resistant solid-state drives www.tmi.yokogawa.com (SSD) with combined capacity to 3.8 TB make the RTR 2727 a reliable, portable field instrument. By using hot swappable Flash testing of PCBs during initial SSDs, the recorders exhibit high immunity to shock and vibration for ground vehicles, ships and aircraft. The drive production stages array capacity can be as large as 3.8 TB and supports RAID PCB manufacturers can take advantage of a fast, reliable and levels 0, 1, 5, or 6. safe solution to meet the growing demand for flash/HIPOT Pentek tested (2kV) unpopulated boards. Electrical safety testing www.pentek.com specialists Clare has developed a bespoke system using its HAL104 instrument connected to X-ray inspection system supports printed a test enclosure, which enables the easy flash testing of PCBs circuit boards up to 1205x672mm during the initial production Nordson DAGE has upgraded its XD7800 Ruby XL X-ray in- stages. The enclosure has a con- spection system dedicated for large area printed circuit boards, ductive foam base with modular sections to accommodate able to take a maximum board size of 1205x672mm. The X-ray different sizes of PCBs. It can have either a spring mounted inspection system also includes the probe system or a further section of conductive foam can be unique, maintenance-free, Nordson added to allow it to work with different types of PCBs. Two DAGE NT500 160kV sealed-trans- types of PCB can be tested: those with one surface covered missive X-ray tube that provides up in metal and ‘standard’ units with an insulated side. Regard- to 10W of target power at sub-micron less, the track side of the PCB is placed face down on the feature recognition and the exclusive conductive foam, enabling all metallic parts to be in contact Nordson DAGE 2 Mpixel iDAT3 digital with the foam and providing a ‘base bed’ for the remainder of image intensifier detector with real the insulating surface of the board. Once in position, a flash time image enhancements. These features allow the system to test is then performed across the board, testing for integrity. cover all of the failure analysis and production inspection tasks As well as load and power functional tests, the HAL104 that are required for large circuit board assemblies. The system tester incorporates AC/DC Hipot, insulation, ground bond can use Nordson DAGE’s X-Plane analysis system option which testing to 40A, load testing up to 20A (5kVA) with leakage allows X-ray inspection in any plane within the assembly, or its measurements from 100 microAmps to 20 milliamps, with 10 components, without the need to destroy these large, usually microAmp resolution. very expensive, assemblies, as would be necessary with tradi- Seaward Electronic tional CT analysis. www.seaward.co.uk Nordson DAGE www.nordsondage.com 32 Electronic Engineering Times Europe January 2013 www.electronics-eetimes.com


EETE JANUARY 2013
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