Oct 16, 2010 #1 L lucbra Advanced Member level 2 Joined Oct 30, 2003 Messages 511 Helped 73 Reputation 146 Reaction score 63 Trophy points 1,308 Location Belgium Activity points 3,251 hello, I'm trying to build a RS422 voltage level tester. The spec dictates a level above 2V and below -2V as a minimum. I tried allready a comparator design but this doesn't seem to function (see attached). The opamp gets really hot. Could anybody assist?
hello, I'm trying to build a RS422 voltage level tester. The spec dictates a level above 2V and below -2V as a minimum. I tried allready a comparator design but this doesn't seem to function (see attached). The opamp gets really hot. Could anybody assist?
Oct 16, 2010 #2 ashokok Member level 4 Joined Jan 1, 2008 Messages 73 Helped 22 Reputation 44 Reaction score 16 Trophy points 1,288 Location INDIA Activity points 1,603 The two outputs are shorted, you required to add two diodes between outputs. Regards P.Ashok Kumar