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The IS200DAMAG1BBB is a board component from the Innovation series of boards for the Mark VI turbine control system.  The Mark VI was one of the last of the Speedtronic systems created and distributed by General Electric for turbine control.

The IS200DAMAG1BBB functions as a Gate Driver Amplifier and Interface.  The board is used as an interface between power switching devices like IGBTs and the control rack.   This board is used with 620 frame drive power.

The IS200DAMAG1BBB  amplifies current in the final stage of the gate drive.   Typically three of these boards are used per drive.   The board includes four LEDs, including two yellow to indicate when the upper and lower IGBT is on, and two green to indicate when the upper and lower IGBT is off.   The board also includes Connectors for gate, common, and collector signals.

The IS200DAMAG1 developed by General Electric is what is called an insulator-gate bipolar transistor board. This is a type of printed circuit board that was created for the Speedtronic Mark VI series. It features two pairs of yellow capacitors, banded resistors which are medium-sized and light blue in color and they have bands that are black or dark blue and silver. Two transistors are placed beneath these two resistors. The transistors are rectangular and brown with orange metal pieces attached to the top of the devices and are labeled with the reference designator Q, as Q1 and Q2. Sitting next to these transistors are two small LEDs or light-emitting diodes. One of these LEDs is yellow and the other is blue. A few small resistors which have bands that are red, pink and black can be seen as well as a few small silver diodes. On the opposite side of the board, there is another corresponding group with the same components.