Based on Praetorian III LC-based filtering technology, California Micro Devices’ CM1693 family of EMI filters address handset designs based upon 4G LTE-based processors. The units exhibit typ. roll off frequencies at 300 MHz, broad stop band starting in the 700-MHz band up to 6 GHz; ESD protection up to ±18 kV contact discharge, rise/fall times of <4 ns, and insertion loss of <-1.5 dB. The 4-channel CM1693-04DE comes in a 1.70-mm × 1.35-mm × 0.50-mm uDFN package with 0.40-mm pitch, while the 8-channel CM1693-08DE comes in a 3.30-mm × 1.35-mm × 0.50-mm uDFN package with 0.40-mm pitch. From $0.10 and $0.20 each in 1,000 quantities, depending on channel configuration.
California Micro Devices