Cisco Cisco 1 GHz GainMaker Amplifier 安装指南
Glossary
108
value.
E
EMC
electromagnetic compatibility. A measure of equipment tolerance to external electromagnetic
fields.
fields.
EQ
equalizer.
equalization
The process of compensating for an undesired result. For example, equalizing tilt in a
distribution system.
distribution system.
F
FCC
Federal Communications Commission. Federal organization set up by the Communications
Act of 1934 which has authority to regulate all inter-state (but not intra-state) communications
originating in the United States (radio, television, wire, satellite, and cable).
Act of 1934 which has authority to regulate all inter-state (but not intra-state) communications
originating in the United States (radio, television, wire, satellite, and cable).
ft-lb
foot-pound. A measure of torque defined by the application of one pound of force on a lever
at a point on the lever that is one foot from the pivot point.
at a point on the lever that is one foot from the pivot point.
G
gain
A measure of the increase in signal level, relative to a reference, in an amplifier. Usually
expressed in decibels.
expressed in decibels.
GHz
Gigahertz. A unit of frequency equal to one billion cycles per second.
H
Hertz
A unit of frequency equal to one cycle per second.
I
I/O
input/output.
in-lb
inch-pound. A measure of torque defined by the application of one pound of force on a lever
at a point on the lever that is one inch from the pivot point.
at a point on the lever that is one inch from the pivot point.