Oct 26, 2010 #1 N NARENDRA1234 Advanced Member level 4 Joined Mar 9, 2010 Messages 114 Helped 2 Reputation 4 Reaction score 1 Trophy points 1,298 Location pune Activity points 2,009 is it necessary to connect high value input resistance for instrumentation amplifier ?or its internally available?
is it necessary to connect high value input resistance for instrumentation amplifier ?or its internally available?
Oct 26, 2010 #2 LvW Advanced Member level 6 Joined May 7, 2008 Messages 5,913 Helped 1,753 Reputation 3,512 Reaction score 1,365 Trophy points 1,393 Location Germany Activity points 40,452 The term "instrumentation amp" implies that both input terminals are very high input resistance nodes (internally).
The term "instrumentation amp" implies that both input terminals are very high input resistance nodes (internally).
Oct 26, 2010 #3 N NARENDRA1234 Advanced Member level 4 Joined Mar 9, 2010 Messages 114 Helped 2 Reputation 4 Reaction score 1 Trophy points 1,298 Location pune Activity points 2,009 thanks man....even though is it necessary to connect resistance at the ip of op amp?we are giving emmiter of transistor to ip of instrumentation amplifier mcp604..and amplifying this voltage..so should i connect 10k to ip of IA?
thanks man....even though is it necessary to connect resistance at the ip of op amp?we are giving emmiter of transistor to ip of instrumentation amplifier mcp604..and amplifying this voltage..so should i connect 10k to ip of IA?