IF Filter Fits Wireless Apps

This 70-MHz IF filter is a surface-mount device that is capable of meeting high temperature reflow requirements and aqueous cleaning. Model 8490 filter is said to offer exceptional flatness with a 1.5 dB bandwidth of ±18 MHz and a 40 dB stopband ±38 MHz wide. It is housed in a 1" x 0.5" x 0.35" hermetic package with 50 ohm input and output impedance.