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bandgap |
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bandgapIn a material, the energy difference between its non-conductive state and its conductive state. There is virtually no bandgap in most metals, but a very large one in an insulator (dielectric). In a semiconductor, the bandgap is small. Technically, the bandgap is the energy it takes to move electrons from the valence band to the conduction band. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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In addition to the digital logic, these devices can incorporate high-voltage circuitry such as motor controller drives, DC/DC converters, and high-precision analog circuits including bandgap filters, ADCs and DACs. The dots are small, so their bandgap is large and the gaps between rungs of the dots' internal energy ladders are big. 11 a/b/g transceivers, sigma-delta ADCs, automatic gain control circuits with bandgap and bias, high-speed I/Os, memory interfaces, and multi-GHz PLLs and DLLs. |
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