Josh wrote: > One of the apparent weaknesses of the Si USB dongles (from my armchair > research) is the antenna connection - it might be nice to have a mini > SMA or something (with the standard FM resistance -- 75 Ohms?)
Yeah the USB FM Radio stick has a wire sticking out, that is the antenna. For most real applications of this chip, the earphone wire acts as the antenna, like in my sony ericsson phone. The evaluation board for the chipset has SMA connector so you can try different antennae. Looky .... http://www.electrosnab.ru/silabs/pdf/Si/si4700-B15rev1_0.pdf http://www.electrosnab.ru/silabs/pdf/Si/AN230Rev0_3.pdf http://www.electrosnab.ru/silabs/pdf/Si/AN232Rev0_2.pdf http://www.electrosnab.ru/silabs/pdf/Si/AN234Rev0_2.pdf http://www.electrosnab.ru/silabs/pdf/Si/AN235Rev0_5.pdf http://www.electrosnab.ru/silabs/pdf/Si/AN284Rev0_1.pdf -- Doug _______________________________________________ OpenMoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
