Murata offers dielectric RF filters for telecoms
A Murata Electronics (UK) product story
Edited by the Electronicstalk editorial team Dec 19, 2008
Two block-type dielectric RF filters for telecoms basestation applications have been added to Murata's Gigafil range.
The filters have been designed for cellular basestation applications that use a digital pre-distortion amplifier (DPD), as they feature a wide pass band and flat ripple performance, which are required for DPD PA design.
The filter's small size (10.6 x 6.0 x 4.8mm) means they require 72 per cent less mounting space compared to Murata's previous generation of filters for this application.
The DFCL52G14LFHAB-TT1 is for use in W-CDMA Band1 DPD amplifiers, while the DFCL52G14LFHAA-TT1 will be used in W-CDMA Band1 LTE DPD amplifiers.
The filters' highly sophisticated multi-pole design ensures high attenuation and good selectivity.
Both the two new members of the GIGAFIL series have a ripple of 0.4dB max.
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