Electronics Glossary – Z
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|Letter symbol used to represent impedance in ohms.
|The characteristic impedance of a device or system.
|A diode that maintains a relatively constant voltage when the reverse voltage across it is increased passed a specific point, called the zener voltage.
|zero voltage switch
|A circuit designed to switch “on” at the moment the ac supply voltage crosses zero. This technique minimizes the radio frequency interference generated at switch closure.
|The elimination of nonsignificant zeros in a numeral.
|Zero Insertion Force – A component designed to eliminate the insertion and withdrawal forces during engaging and separating.
|An architectural concept which splits the horizontal cabling into two sections. Eliminates the need to replace the entire horizontal cable in moves, adds and changes.
|The set of parameters for a two port device that relates the input and output voltages to the input and output currents.