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.
This is a reduction in area of 40% against the previous package's footprint and 64% for the two-port resonator.
Insertion height has also been reduced from 1.5 to 1.0 mm in the SAW filters and from 1.35 to 1.0 mm in the two-port resonators.
The filters and resonators are available for the ISM band with centre frequencies of 315, 433.92 and 915 MHz. Despite miniaturisation, typical insertion loss is 2.4 dB in the passband.
Typical applications include wireless headphones, garage door openers, access control systems, fire alarm systems or remote control systems for cranes or other machines.
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