Research

Rotary step attenuators

02 November, 2006 | Supplied by: http://www.rfi-ind.com.au/

JFW Industries has released its range of 75 step attenuators, designated model 75R.


Protective headsets

02 November, 2006 | Supplied by: http://www.syntec.com.au/

Sennheiser Communications has developed ActiveGard, a protection system specially designed to prevent acoustic shock from affecting the ears of frequent phone users.


Remote radio head

18 October, 2006 | Supplied by: http://www.rfs.com.au/

Radio Frequency Systems has demonstrated a remote radio head unit that is claimed to show the fastest bit-rate of any 'fibre-to-the-tower-top' solution.


Front end chip

18 October, 2006 | Supplied by: http://www.radioscape.com/

RadioScape has used its RF software to create what it claims is the first, software-controlled, single chip RF front end that can handle six frequency bands - band III and L-band for digital audio broadcasting, medium wave, long wave and short wave for AM and digital radio mondiale and band II for FM.


Hand toolkit

18 October, 2006 | Supplied by: http://www.tycoelectronics.com.au/

Tyco Electronics has introduced a universal hand toolkit for low volume production, prototyping and repairs.


Communication cables for Sydney's rail link

02 October, 2006

Radiocommunication underground has always been a difficult and specialised branch of technology. Mines and underground railways where conditions can be dark and cramped have always been in particular need of reliable contact with the surface


Mimix Broadband low noise amplifiers

04 September, 2006 | Supplied by: Richardson Electronics Pty Ltd

Mimix Broadband has introduced a range of gallium arsenide (GaAs) monolithic microwave integrated circuit, low noise amplifiers.


Ceramic disc capacitors

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

Vishay Intertechnology has extended its range of ceramic disc capacitors with two series of components designed for RFI/EMI suppression. Both series comply with EN132400/IEC 60384-14 2nd edition, ENEC-VDE, UL1414 and CSA requirements. The VY1 and VY2 capacitors can be used in both line bypass and across-the-line configurations, to suppress both common-mode and differential-mod interference.


Waveguide family

04 September, 2006 | Supplied by: http://www.asdtech.com.au/

WiseWave has developed the E band (WR-12 waveguide band) component family that enables the rapid development of short-haul communication links operating licence-free from 71 to 86 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.


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.


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


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.


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