Low-cost antennas

21 January 2009 Telecoms, Datacoms, Wireless, IoT

Murata has developed a series of platform antennas for GPS, Bluetooth and WLAN 2,4 GHz applications. Both On-GND and GND-clearance types are available. These standardised parts require little design resource compared to creating a customised design, and eliminate associated tooling costs. The series achieves high-performance in a tiny package size by using Murata’s high-Q dielectric ceramics.

Suitable applications for these antennas are mobile phones, PDAs, headsets, portable media players and other wireless equipment using GPS or Bluetooth.

Murata’s unique feeding makes these antennas highly stable and immune to changes in the environment, for example when the device is held in the user’s hand. Murata has also developed a technology for tuning the antennas using PCB patterns and external circuits.

Designed to save space in consumer electronics applications, dimensions of each type of antenna are down to: 3,0 by 9,8 by 4,0 mm (GPS On-GND type); 1,5 by 9,0 by 1,85 mm (GPS GND-clearance type, exclusive of stripline circuit); 2,0 by 9,8 by 3,8 mm (Bluetooth/WLAN On-GND type); and 1,6 by 3,2 by 1,2 mm (Bluetooth/WLAN GND-clearance type, exclusive of stripline circuit).

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