arsal_uet Posted December 16, 2006 Report Share Posted December 16, 2006 i am designing a circuit.the problem is i want to make the potential difernce between two points which hav some varrying voltage to some commmon constant level of voltage.can u guice me how.consider the case below:in my ciruit:the potential difference bw two supposed points a and b is in notnal stat:1.435voltsthe potential differnce bw the same points considered during excitation is about :1.28 volts to 1.60 voltsnow tel me how can i make the varrying difference corresponding to one constant level,that is whenever i got the varrying output during excitatoin above 1.430 volts i got some constant value like 5 volts. plz guide. Quote Link to comment Share on other sites More sharing options...
AN920 Posted December 16, 2006 Report Share Posted December 16, 2006 I am not sure I understand the problem but you can use a comparator to switch high to 5V when the level of 1.43 volts is exceeded. Quote Link to comment Share on other sites More sharing options...
arsal_uet Posted December 17, 2006 Author Report Share Posted December 17, 2006 i have already tried what u suggested but problem is the ouput is still varying and i require a constant 5volt dc level.is there any ic which can give me a constant level of voltage even two volts or in other words is ther any ic which give a regulated DC voltage of 2 or 1.7 volts volts for the varrying 1.23 to 1.5 volts Quote Link to comment Share on other sites More sharing options...
AN920 Posted December 18, 2006 Report Share Posted December 18, 2006 Post your circuit cause you must be doing something wrong. Quote Link to comment Share on other sites More sharing options...
arsal_uet Posted December 18, 2006 Author Report Share Posted December 18, 2006 ok u willl see it tomoroe.ok. Quote Link to comment Share on other sites More sharing options...
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