Long-term Stability

Long-term stability: Of an oscillator, the degree of uniformity of frequency over time, when the frequency is measured under identical environmental conditions, such as supply voltage, load, and temperature. Note: Long-term frequency changes are caused by changes in the oscillator elements that determine frequency, such as crystal drift, inductance changes, and capacitance changes. Source: from Federal Standard 1037C and from MIL-STD-188

 

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launch angle
launch numerical aperture
layer
layered system
leaky mode
leaky ray
limiting
linear polarization
line code
network repeaters
link
link level
link quality analysis
load
loading
loading characteristic
loading coil
lobe
local access and transport area
local battery
local call
lockout (telecommunication)
log periodic antenna
long haul communications
longitudinal redundancy check
longitudinal voltage
loop back
loop gain
low performance equipment
low power communication device
machine readable medium
magneto ionic double refraction
magneto optic effect
main distribution frame
main lobe
main storage
maintainability
maintenance
managed object
manchester code
mandrel wrapping
margin
maritime broadcast communications net
master frequency generator