Generator Flashcards
What affect does x-ray generator type have on exposure?
The more efficient the generator the better the x-ray production
Why is x-ray production better with more powerful generators?
They increase the effective average kVp which raises beam penetration
What is the effective avg kVp of a single phase generator?
Approximately 33% of the set kVp
What is the effective avg kVp of a three phase, 6 pulse generator?
Approximately 91% of the set kVp
What is the effective avg kVp of a three phase, 12 pulse generator?
Approximately 97% of the set kVp
What is the effective avg kVp of a high frequency generator?
Approximately 99% of the set kVp
How is mAs affected when moving from a single phase to three phase generator?
The mAs can be cut in halff
How does more efficient generator affect patient dose?
As the generator efficiency increases the patient dose decreases
How does more efficient generator affect exposure time?
As the generator efficiency increases the exposure time decreases
What impact does a shorter exposure time have on an image?
Can help reduce motion artifcats
How does a more efficient generator affect beam intensity?
As the generator efficiency increases the x-ray beam intensity increases
What types of generator are mobile units known as?
Constant potential generators
What type of batteries do mobile units utilize?
DC batteries (Direct current)
How is the current changed when using mobile units?
DC current is converted to AC (alternating current) and then back to DC
Which generator types are mobile units more efficient than?
Single phase and three phase generators
