This module must be composed of two amplifiers, one non inverting and one inverting, with voltage gain +1 and -1 respectively.
Technical features:
•Power supply: +15 V ; 0 V ; -15 V
•Signal voltage range: -10V, ..., +10V
•Output voltage:
•-10 V .... +10 V to ground
•0 .... ±20 V symmetrically
•Max. output power: 30 W, with protection against short-circuit
It must be mounted on an insulated didactic module, it must  show a schematic diagram and 2 mm terminals for the electrical connection;  This panel must include also a bus for the supply that allows the connection between the panels.

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