AVX has released the new BP series of low-profile, high-performance bandpass filters based on its multilayer organic (MLO) high-density interconnect technology. The filters incorporate high-dielectric-constant and low-loss materials that are expansion matched to most organic PCB materials, providing improved reliability over standard silicon and ceramic devices, feature an ultra-low profile of less than 0,556 mm, and support 18 pass bands spanning 620 MHz to 5930 MHz.
The series also exhibits low insertion loss (1,57 – 2,41 dB typical), low parasitics, 50 Ω impedance, excellent rejection of out-of-band frequencies and favourable heat dissipation characteristics, and is rated for 1 W continuous RF power. This makes it ideal for use in a wide range of wireless applications, including communications systems, military and emergency first responder radios, UAVs, base stations, femtocells, microcells, wireless access points and terminals, and instrumentation equipment.
According to AVX, the BP series allows RF design engineers to achieve lower in-band insertion loss, better out-of-band attenuation with steeper roll-offs, and better heat dissipation than designs that utilise LTCC products. MLO filters integrate inductors and capacitors into a small, low-profile package, eliminating the need to construct filters using discrete capacitors and inductors. This improves performance and reliability, reduces the required board placement space, and removes the need for tuning using individual capacitors and inductors.
The bandpass filters are currently available in three case sizes – 3416, 4617 and 5021 – and are supplied with gold terminations that are compatible with automatic soldering technologies.
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