Post by thread:IR detectors

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 removed}

--- gtyler <spam_OUTgtylerTakeThisOuTDRUMMOND.ORG.ZA> wrote: > 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 Great! 12uA would fit the bill all right. Errm .... I couldn't persuade u to email a gif, perchance? :)) 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