Miniaturized low-pass filter for LTE
Thanks to thinner ceramic layers, finer conductor lines and an optimized internal electrode design, the latest filter, designated DEA071910LT-4003B1, achieves a miniaturized footprint of 0.65 mm x 0.5 mm and a slimmer insertion height of just 0.3 mm (form factor of 06505) to enable low-profile designs and module integration. As a result, the multilayer low-pass filter is more than 50 percent smaller than previous components with a conventional case size of IEC 1005 (1.0 mm x 0.5 mm x 0.4 mm).
At the same time it offers equal or even superior insertion loss and attenuation performance. For example, the maximum insertion loss in the 1.71 GHz to 1.91 GHz range is just 0.55 dB, while the minimum attenuation in the range of 5.13 GHz to 5.73 GHz is 20 dB. Mass production of the new low-pass filter started in January 2015.
The DEA071910LT-4003B1 multilayer low-pass filter has an operating temperature range of -40°C to +85°C and is suitable for use in the RF circuitry of smartphones, tablets and other mobile devices for LTE.
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