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Definition of "Zener Breakdown" |
Refer to Zener Diode terms. / Zener breakdown is a type of electrical breakdown in a reverse biased p-n diode in which the electric field enables tunneling of electrons from the valence to the conduction band of a semiconductor, leading to a large number of free minority carriers, which suddenly increase the reverse current. Zener breakdown is employed in a Zener diode. / The basic transport frame of an SDH network, operating at a minimum of 155Mbps. The payload of an STM-1 frame can vary, supporting potentially 63 E1 trunks, a combination of E1 to E3 bearers, a single E4 trunk or alternatively IP data. / the electrical breakdown occurring on the reverse biasing of a zener diode. Zener breakdown occurs when the electric field in the depletion layer increases to the point where it can break covalent bonds and generate electron-hole pairs. |
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