Term
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Definition
primary low voltage circuit
secondary high voltage circuit
filament circuit |
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Term
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Definition
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Term
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Definition
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Term
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Definition
permits adjustment of the line voltage to the correct value
compensates when a power surge comes or lack of power |
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Term
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Definition
control the current to the primary coil of the transformer
low-voltage |
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Term
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Definition
AEC (Automatic Exposure Control) |
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Term
components of ionization chamber |
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Definition
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Term
Photomultiplier tube (PMT) |
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Definition
amplifies/multiplies the number of electrons within the photo chamber |
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Term
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Definition
increases/decreases the amt. of density on image
25% increase
50% increase |
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Term
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Definition
time it takes to terminate the exposure after the proper amt. of radiation has been sensed
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Term
High voltage circuit
composed of?? |
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Definition
(secondary circuit)
milliameter (mA)
mAs meter
rectifier
high voltage cables |
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Term
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Definition
displays/measures amount of current flowing in the x-ray tube
(registers during expsoure of more than 1/10s) |
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Term
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Definition
measures mAs of the exposure
(exposures of less than 1/10s) |
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Term
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Definition
converts AC to pulsating DC |
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Term
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Definition
from generator to tube
composed of 3 conductors surrounded by insulation, one of which is grounding |
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Term
Filament circuit
composed of??? |
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Definition
- helps heat the filament to produce the electron cloud
- increase current=increase heat
- mA selector (rheostat)
- step-down transformer
- filament stabilizer
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Term
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Definition
corrects flux in line voltage |
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