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Devices, components, assemblies and hardware associated with the design and development of electronic equipment. Includes active and passive components, enclosures, interconnection, optolectronics, power and subassemblies.

J12 series

Data sheet: J12 series of indium arsenide detectors from Pacer download

PacerThu, 17 Apr 2014

The J12 series of indium arsenide (InAs) detectors from Pacer are photovoltaic infrared photodiodes sensitive in the 1.0µm to 3.8µm wavelength region. 

Populated circuit board placed inside a CREE PAR38 lamp

Design example report: 25W LED driver using LYTSwitch LYT4317E download

Power IntegrationsWed, 16 Apr 2014

This document from Power Integrations describes an isolated high-power-factor TRIAC-dimmable LED driver that utilises the LYT4317E from the LYTSwitch range of ICs.

Data sheet: EK-23024-000 microphone from Knowles Acoustics download

Knowles AcousticsTue, 15 Apr 2014

This data sheet presents the EK-23024-000 microphone from Knowles Acoustics. A 2:1 scale drawing is provided, as is further information regarding frequency and device conformity.

B-series low-light sensors

Data sheet: Sensl's B-series fast, blue-sensitive silicon photomultiplier sensors download

AP Technologies LtdMon, 14 Apr 2014

Sensl’s B-series of fast, blue-sensitive silicon photomultiplier sensors, available from AP Technologies, is designed for ultra-fast timing applications.

RCDT300 series

Product brochure: RCDT300 series of residual current device tester from Megger download

MeggerMon, 14 Apr 2014

The RCDT300 series of residual current device tester can perform 1/2I, 1xI and 5xI tests on RCDs rated at 30mA, 100mA, 300mA and 500mA on general and selective RCDs.

Application note: a thermoelectric cooler temperature controller for fibre-optic lasers download

Linear TechnologyFri, 11 Apr 2014

Continued demands for increased bandwidth have resulted in deployment of fibre-optic-based networks. This application note discusses ‘climactic pampering for temperamental lasers’. 

Populated circuit board

Reference design report: 12.6W isolated flyback LED driver using Lytswitch LYT4313E download

Power IntegrationsFri, 11 Apr 2014

The document describes an isolated high-power-factor TRIAC-dimmable LED driver designed to drive a nominal LED string voltage of 34V at 370mA.

Data sheet: WP-23849-C36 microphone from Knowles Acoustics download

Knowles AcousticsThu, 10 Apr 2014

This data sheet from Knowles Acoustics presents the WP-23849-C36 microphone. A 2:1 scale drawing is included, as well as technical information.

HAW 569/569Z

Data sheet: HAW 569/569Z surge arrestor from Endress and Hauser download

Endress+HauserWed, 9 Apr 2014

Endress and Hauser’s HAW569/569Z is a surge arrester for direct connection of universal field devices in process measurement and control.

Iswitch battery

Data sheet: Iswitch battery from Linak download

LinakWed, 9 Apr 2014

The Iswitch battery, part of Linak’s Netline series, is a back-up power supply for the Iswitch switchgear actuator system.

More product downloads

Application note: current sources for fibre-optic lasers download

Linear TechnologyTue, 15 Apr 2014

As Linear Technology’s Jim Williams explains, a large group of fibre-optic lasers are powered by DC current. Laser drive is supplied by a current source with modulation added further along the signal path. The current source, although conceptually simple, constitutes a tricky design problem. There are a number of practical requirements for a fibre-optic current source and failure to consider them can cause laser and/or optical component destruction.

Guide book cover

Guide book: Enclosure and Process Cooling downloadweblink

RittalWed, 9 Apr 2014

Enclosure and Process Cooling is a guide book from Rittal that provides information on a variety of topics, including the basic principles of climate control, energy-saving opportunities and project planning, installation and operation — even for more complex applications. The book answers many questions that are of interest to original equipment manufacturers, panel builders and end users.

Monitors

White paper: Advantech-GPEG looks at made-to-measure monitors download

Advantech-GPEGFri, 4 Apr 2014

In today’s advanced global market, the need for new products to look, perform and function in a truly differentiated way has never been more important. Goods that fall back into a commodity bracket earn substantially lower profit margins, are subject to fierce competition and follow resource-sapping demands to evolve on short aggressive time scales.

PAT testing

Quick guide: portable appliance testing download

MeggerMon, 31 Mar 2014

Portable appliance testing (PAT) is the visual examination and electrical testing of portable electrical equipment used in industrial, commercial or public access areas and locations (including rented property) to ensure they are safe to use, and cannot present an electrical hazard to the operator or anyone in their vicinity. Megger has published a short guide to PAT testing.

Historically significant DACs include: weight set (centre left), 23+ bit Kelvin-Varley divider (large box), hybrid, board and modular types and the LTC1595 IC

Application note: a standards lab-grade 20-bit DAC with 0.1ppm/°C drift download

Linear TechnologyTue, 25 Mar 2014

There has been significant progress in high-precision, instrumentation-grade digital-to-analogue conversion. Previously, 12-bit digital-to-analogue converters (DACs) were considered premium devices. Today, 16-bit DACs are available and are increasingly common in system design. These are true precision devices with less than 1LSB linearity error and 1ppm/°C drift. Nonetheless, there are DAC applications that require even higher performance. Automatic test equipment, instruments, calibration ...

Application note: Linear Technology Magazine Circuit Collection — Volume V download

Linear TechnologyFri, 21 Mar 2014

This application note is the fifth in a series that excerpts useful circuits from Linear Technology magazine to preserve them for posterity. This application note highlights data conversion, interface and signal-conditioning circuits from issue VI:1 through issue VIII:4. Like its predecessor, AN67, this application note includes circuits for high-speed video, interface and hot-swap circuits, active RC and switched capacitor filter circuitry and a variety of data conversion ...

Low-resistance testing

Application guide: low-resistance testing download

MeggerWed, 19 Mar 2014

This booklet from Megger, entitled ‘A guide to low-resistance testing’, is designed to help the engineer, technician or operator understand the rationale behind low-resistance testing; understand how to make a low-resistance measurement; understand how to select the proper instrument for the testing application; and understand how to interpret and use the results.

Application note: low-noise varactor biasing with switching regulators download

Linear TechnologyMon, 17 Mar 2014

Telecommunication, satellite links and set-top boxes all require tuning a high-frequency oscillator. The actual tuning element is a varactor diode, a two-terminal device that changes capacitance as a function of reverse bias voltage. The oscillator is part of a frequency synthesising loop. A phase-locked loop compares a divided down representation of the oscillator with a frequency reference. The PLL’s output is level shifted to provide the high voltage necessary to bias the varactor, ...