This is a design for a current source (as opposed to current sink) for driving a grounded load can be a bit awkward. Admitedly the suggested circuit cheats a little in that the load is tied to virtual grounded, so it’s still potentially useful. This is the figure of the circuit
Two control loops are involved here:
Opamp A1 maintains the ‘cold’ end of the load at virtual earth and
A2 sets a current I = –V1/R1, which also flows through the load RL.
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