| I |
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| I |
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Symbol used to designate current |
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| IEC |
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Abbreviation for International Electrotechnical Commission. |
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| IEEE |
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Abbreviation for Institute of Electrical and Electronics Engineers. |
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IM/PIM
(Passive Intermodulation) |
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The generation of new (and in the case of cable assemblies
undesirable) signals (intermodulation products) at the non-linear
characteristics of transmission elements. |
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| Impedance |
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The total opposition that a circuit offers to the flow of
alternating current or any other varying current at a particular
frequency. It indicates the ideal transfer of signal from one
piece of equipment to another. It is measured in ohms. |
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| Impedance Match |
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A condition in which the impedance of a component or circuit
is equal to the internal impedance of the source, or the surge
impedance of a transmission line. This gives maximum transfer
of energy from the source to the load, as well as minimum reflection
and
distortion. |
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| Inductance |
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The property of a circuit or circuit element that opposes
a change in current flow, thus causing current changes to lag
behind voltage changes. It is measured in Henrys. |
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| Induction |
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The phenomenon of a voltage, magnetic field, or electrostatic
charge being produced in an object by lines of force from the
source of such fields. |
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| Input |
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A signal(or power) which is applied to a piece of electric
apparatus or the terminals on the apparatus to which a signal
or power is applied. |
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| Insert |
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That part which holds the contacts in their proper arrangement
and electrically insulates them from each other and from the
shell. |
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| Insertion Loss |
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The loss in load power due to the insertion of a component,
connector or device at some point in a transmissions system.
Generally expressed in decibels as the ratio of the power
received at the load before insertion of the apparatus, to the
power received at the load after insertion. |
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| Insulation |
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A material having high resistance to the flow of electric
current. Often called a dielectric in RF cable. |
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| Insulation Resistance |
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The electrical resistance of the insulating material (determined
under specified conditions) between any pair of contacts, conductors,
or grounding device in various combinations. |
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| Interconnection |
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Mechanically joining assemblies together to complete electrical
circuits. |
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| Interface |
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The two surfaces on the contact side of both halves of a multiple-contact
connector which face, each other when the connector is assembled. |
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| ISO |
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Abbreviation for International Standards Organization. |
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