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High temperature test setup. The load is by a 20W halogen bulb.

Figure also so the temperature control and logging circuit. Temperature of the device is automatically logged.
The logged data chart.

The Electrical test setup. This test include a self designed transient generator to test the stability of the design. The brilliant demonstration strongly impressed the Assessing Panel member.
The PCB design. A double layer PCB with advanced construction minimized the noise to feedback thus improved the stability.