Part 3 in the Precision Current Source series.<br />Dave breadboards a classic precision low current source circuit using the 10V REF102 voltage reference to generate accurate 1mA and 1uA currents.<br />Also some talk about the errors in a typical precision circuit like this.<br />Part 2: http://www.youtube.com/watch?v=O2ohz8DyJoQ<br />Part 1: http://www.youtube.com/watch?v=pXMhpEi_wPU<br />REF102: http://www.ti.com/lit/ds/sbvs022b/sbvs022b.pdf<br />App Note: http://www.ti.com/lit/an/sbva001/sbva001.pdf<br />OPA277: http://www.ti.com/lit/ds/symlink/opa4277.pdf<br />VishayPG VHP100: http://www.vishaypg.com/docs/63003/vhp100.pdf<br />Forum: http://www.eevblog.com/forum/blog/579-precision-current-source/<br /><br />EEVblog Main Web Site:<br />http://www.eevblog.com<br />EEVblog Amazon Store:<br />http://astore.amazon.com/eevblogstore-20<br />Donations:<br />http://www.eevblog.com/donations/<br />Projects:<br />http://www.eevblog.com/projects/<br />Electronics Info Wiki:<br />http://www.eevblog.com/wiki/
