AnsweredAssumed Answered

Tunable Bandpass filter for the AD8362 input

Question asked by billysdomain on Feb 14, 2013
Latest reply on Feb 17, 2013 by billysdomain



I would like to use the AD8362 to measure the rms RF level at a specific frequency, even better would be to has this frequency adjustable


Can anyone suggest a way or supporting components, for example, to limit the rf input to the chip to say 905-915 MHz? or maybe there is a better suited IC for this purpose?


I need to detect for the presence of various signals at specific frequencies at a short distance, GSM transmitting on both 900 and 1800, wifi, and some others, but i want to exclude things like DECT and radios from being measured


I would be happy to switch in different filters if need be


Any ideas or ref designs very much appreciated


I have the AD8362 working fine, everything is looking good, now im down to filtering its input somehow


Many thanks