EEVblog

Part 3 in the Precision Current Source series.
Dave breadboards a classic precision low current source circuit using the 10V REF102 voltage reference to generate accurate 1mA and 1uA currents.
Also some talk about the errors in a typical precision circuit like this.
Part 2: • EEVblog #577 - Precisi...
Part 1: • EEVblog #567 - Precisi...
REF102: www.ti.com/lit/...
App Note: www.ti.com/lit/...
OPA277: www.ti.com/lit/...
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