Terms in this set (260)
one single coil, and operates on self induction auto transformer
KV selection and determines line voltage sent to auto transformer
step up transformer
mutual induction- 2 wires step up AND down transformer
More turns in the secondary coil then the step-up transformer
primary
increases volts to kilovolts step up transformer
More turns in the primary than in the secondary step down transformer
decreases voltage, increases amerage step down transformer
,changes AC to DC Rectifier
single phase 100%
3 phase 6 pulse 14%
3 phase 12 pulse 4%
high frequency 1%
more ripple (higher %)= ? BAD
relationship between actual focal spot on the line focus principle
anode surface and the effective focal spot
electrons interact with the anode (target) AFS
is what exits the tube and interacts with the EFS
patient
anode angle will affect the size of _ EFS
,decrease in AA= decrease in EFS
increase in AA= increase in EFS
originates outside of the anode focal spot off focus radiaton
reduces skin dose by filtering out low energy, beam filtration
harmful rays
what is a filter removing? long wavelength (low energy) xrays
what kind of energy does nothing to the low energy xrays
diagnostic image but increase pt dose?
filtration in the tube inherent
filtration added to the tube added
, inherent + added = total filtration
CR= _ PSP
layers of CR (PSP) protective
phosphor or active
conductive
support
light shield
backing
determines the number of shades of gray in the ADC (analog to digital converter)
image
graph of grays/blacks/whites of xray exposure histogram
X-axis amount of exposure (horizontal)
one single coil, and operates on self induction auto transformer
KV selection and determines line voltage sent to auto transformer
step up transformer
mutual induction- 2 wires step up AND down transformer
More turns in the secondary coil then the step-up transformer
primary
increases volts to kilovolts step up transformer
More turns in the primary than in the secondary step down transformer
decreases voltage, increases amerage step down transformer
,changes AC to DC Rectifier
single phase 100%
3 phase 6 pulse 14%
3 phase 12 pulse 4%
high frequency 1%
more ripple (higher %)= ? BAD
relationship between actual focal spot on the line focus principle
anode surface and the effective focal spot
electrons interact with the anode (target) AFS
is what exits the tube and interacts with the EFS
patient
anode angle will affect the size of _ EFS
,decrease in AA= decrease in EFS
increase in AA= increase in EFS
originates outside of the anode focal spot off focus radiaton
reduces skin dose by filtering out low energy, beam filtration
harmful rays
what is a filter removing? long wavelength (low energy) xrays
what kind of energy does nothing to the low energy xrays
diagnostic image but increase pt dose?
filtration in the tube inherent
filtration added to the tube added
, inherent + added = total filtration
CR= _ PSP
layers of CR (PSP) protective
phosphor or active
conductive
support
light shield
backing
determines the number of shades of gray in the ADC (analog to digital converter)
image
graph of grays/blacks/whites of xray exposure histogram
X-axis amount of exposure (horizontal)
