Research :: Critical Comms

Research

Diode switches

01 August, 2006 | Supplied by: http://www.asdtech.com.au

WiseWave has released the CP4T-77303030-D2 and CP10T-77308030-D2 PIN diode-based SP10T and SP4T switches that operate at the RF frequency range from 75 to 78 GHz.

SAW filters

01 August, 2006 | Supplied by: http://www.siemens.com.au

Epcos has introduced SAW filters and two-port resonators as SMDs in ceramic packages on quartz substrate with a footprint of 3 x 3 mm.

Emergency mics

01 August, 2006 | Supplied by: http://www.pwcau.com

Wireless Pacific has announced new models of its Lone Alert 'Mandown' remote speaker microphones.

Automatic dehydrator

03 July, 2006 | Supplied by: http://www.asdtech.com.au/

The ADH 3Com automatic dehydrator supplies low pressure -40°C maximum dewpoint air to keep waveguide and coax dry. The standard pressure is 34.5 mbar with 207 mbar and 414 mbar options.

Outsource and be damned

11 June, 2006 by David Cox, Operations Director, Pacific Wireless Communications, VIC | Supplied by: Pacific Wireless Communications Pty Ltd

This follow-up perspective on last issue's article that looked at the realities of outsourcing, takes the author further into the disadvantages and limited advantages of a system that at face value appears to have great attractions

3G devices

01 June, 2006 | Supplied by: http://www.rfparts.com.au/

RF Micro Devices has released a linear power amplifier module - the RF5184, specifically designed to be the final RF amplifier in high-performance WCDMA wireless handheld devices and is a dual-band product that supports region 2 (1850-1910 MHz) and region 5/6 (824-849 MHz).

Quad-band devices

01 June, 2006 | Supplied by: M2M Connectivity

M2M Connectivity has launched a family of quad band GSM/GPRS, class 10 radio devices including an Edge module.

Wireless Modbus I/O pair

01 June, 2006 | Supplied by: http://www.conlab.com.au/

Conlab has available the RT12-4411 iWireless I/O pair with built-in Modbus protocol and ethernet port.

Hybrid coupler

01 June, 2006 | Supplied by: http://www.asdtech.com.au/

Miteq has introduced a coaxial hybrid, 90° coupler, M-82-43-92WS which covers the wireless communications spectrum band.

Distance-to-fault: it ain't 'pass/fail'

11 May, 2006 | Supplied by: Radio Frequency Systems Pty Ltd

While the 'distance-to-fault' (DTF) transmission line test is irreplaceable as a site diagnostic tool, the growing trend to specify threshold DTF performance levels is worrying RF practitioners the world over

Digital attenuator

01 May, 2006 | Supplied by: http://www.asdtech.com.au/

Hittite Microwave has introduced a digital attenuator designer's kit, HMC-DK004, that includes nine samples of Hittite's positive control digital attenuator MMICs.

Quadrature modulator

01 May, 2006 | Supplied by: http://www.soanar.com/

A high performance quadrature modulator from Linear Technology is optimised for 850 to 965 MHz GSM, CDMA2000, ISM and RFID modulator applications.

Frequency translator

01 May, 2006 | Supplied by: http://www.vicom.com.au

Aeroflex has launched the TX501 RF multiband translator, a full duplex 3G frequency translator.

Panel meter databook

04 April, 2006 | Supplied by: http://www.adilam.com.au/

C&D Technologies has launched a product databook that will simplify the identification and selection of a wide range of LED and LCD digital meters for panel applications.