| |
X-ray Type |
Advantage of HF |
|
High Frequency |
Single Phase |
| Generation Method |
High Frequency Inverted DC |
Single phase two peak |
Higher output flux, More Stable output |
| Circuit
Control |
Micro-processor based |
Analog control
based |
Easier
control, more reliability, compactness |
| Output flux |
1.8 times more
than SPR |
1.0 |
Longer life
time of X-ray tube |
| Reproduction |
Better |
Normal |
Image
consistency in spite of exposure condition change Reduction
of re-examination ratio |
| Short duration
exposure |
Possible |
Impossible |
Applicable to
fast moving organ case |
| Output flux
hormogenity |
Better (less
than 5%) |
Normal |
Higher X-ray
conversion ratio |
| Image quality |
Better
resolution and contrast |
Normal |
Homogenious
X-ray output provides better image quality |
| Exposure dose |
Less than 0.5 |
1.0 |
Reduction of
patient and operator exposure dose |