Solid-State Cooking Oven Gives Users Greater Control

Solid-State Cooking Oven Gives Users Greater Control

Watch the Engineering TV video above for a look at the solid-state cooking oven.

Using RF technology, the solid-state cooker provides a more controllable approach than the standard microwave, offering a safer method of heating food with targeted accuracy. Its intelligent system with feedback, which takes the original magnetron from a microwave and adds amplifiers, can control the cooker’s distribution field. Power level also is controllable—frequency can be tuned to the contents to improve energy delivery.

Technology Editor Jean-Jacques DeLisle gave a demonstration of a solid state cooking oven at the NXP booth during IMS 2014. NXP Blog comments on its solid state cooker, saying:

The microwave-generating hardware is fundamentally the same as the one for the traditional use of RF, with signal conditioning plus an RF power amplifier. However instead of sending RF energy into an antenna to transmit data, as with a cellphone or GPS, it is channeled via wave guides into the oven to heat the chosen object. “Object” here denotes about anything that absorbs microwave radiation—hence, the solid-state RF cooker is far from being the only application enabled by RF energy.

The grid of LEDs shown in the demonstration hooks up to receiving circuits that represent the wave field’s x, y, and z components. Various lighting conditions are created from the device’s field agility. After turning on the oven, different colors and matrix formations appear as a result of the distribution field charging the LEDs. It switches and turns off and on in multiple sectors, creating different polarization in electric fields to charge in x, y, and z directions.

Watch the video above for a look at the system. Also be sure to check out other videos from IMS 2014 over at Engineering TV.

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