I need circuits about lock in amplifier preamplifer circuits using dual jfets 2N6485 ,thanks
G guozhong Mar 31, 2013 1 Joined Mar 31, 2013 Messages 1 Mar 31, 2013 #1 I need circuits about lock in amplifier preamplifer circuits using dual jfets 2N6485 ,thanks
S shrtrnd Jan 15, 2010 3,876 Joined Jan 15, 2010 Messages 3,876 Apr 1, 2013 #2 So. Are you trying to copy the SR510 circuitry? Are you trying to repair the SR510? Or, are you trying to learn how to use the SR510?
So. Are you trying to copy the SR510 circuitry? Are you trying to repair the SR510? Or, are you trying to learn how to use the SR510?
