Nov 6, 2005 #1 S shaz Member level 4 Joined Mar 9, 2005 Messages 70 Helped 10 Reputation 20 Reaction score 6 Trophy points 1,288 Activity points 1,995 heya frdnz, i want a circuit which gives me +5 volts ouput if input voltage is +8 volts and 0 (zero) volts ouput if input voltage is even slightly lower than +8 volts (maybe at 7.8 volts). waiting for eager reply.....Thanx
heya frdnz, i want a circuit which gives me +5 volts ouput if input voltage is +8 volts and 0 (zero) volts ouput if input voltage is even slightly lower than +8 volts (maybe at 7.8 volts). waiting for eager reply.....Thanx
Nov 6, 2005 #2 K kwkam Full Member level 5 Joined Feb 25, 2002 Messages 275 Helped 30 Reputation 60 Reaction score 13 Trophy points 1,298 Location Somewhere on earth Activity points 1,886 low voltage detector You can do it with a typical opamp as voltage comparator.
Nov 7, 2005 #3 S sunking Advanced Member level 3 Joined May 25, 2004 Messages 873 Helped 70 Reputation 140 Reaction score 23 Trophy points 1,298 Activity points 6,283 low voltage detector use a rail to rail opa as comparator