Hi Debbie, I have a design for a radio pir that uses a pm3 battery and draws 12 uA. You can use a programmable opamp but I found it was more cost effective to build it out of discreate transistors. bc547 types have high gain at low current. George Tyler ----- Original Message ----- From: "Debbie Hynes" To: Sent: Friday, June 27, 2003 10:45 PM Subject: [EE]: IR detectors - low current? > PICers, > I find myself in need of a smallish IR detector, ie. not an imager. The one I'm > using now is a shop-standard intruder alarm with Moire lens. It pulls around 15 > mA and I think that's a bit too much from a battery supply. I guess what's > needed is something that pulls a quiescent current <1mA . > > Any ideas/suggestions? > > Thankz if can advise - Debbie :) > > http://mobile.yahoo.com.au - Yahoo! Mobile > - Check & compose your email via SMS on your Telstra or Vodafone mobile. > > -- > http://www.piclist.com hint: The list server can filter out subtopics > (like ads or off topics) for you. See http://www.piclist.com/#topics > -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics