EE Product News

Mini Filters Enhance Music Phone Experience

Groomed for cell phones with MP3 capabilities, the EMIF02-SPK02F2 filter measures 0.89 mm x 1.26 mm and provides filtering for the handset’s built-in speaker or a stereo-headset output. Users can also interface a single EMIF02-SPK02F2 to the microphone input to isolate the handset from external noise. Reporting high attenuation and low series resistance, the filters promise greater noise-reduction than discrete topologies, which typically occupy around 72% more board space. According to the company, the device also provides better ESD protection than any existing solution. The EMIF02-SPK02F2 has a double-clamping structure that can clamp an ESD spike to 12V. Price is $0.16 each/10,000. STMICROELECTRONICS, Lexington, MA. (888) 787-3550.


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