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- Title
TRANSCRANIAL MAGNETIC STIMULATION WITH APPLIED MULTISTEP DIRECT CURRENT GRAFTING.
- Authors
Choi, Sun-Seob; Kim, Whi-Young
- Abstract
The controlling method for high-voltage pulse form or pulse parameter is extremely important in high speed switching technique. Function generation can repeatedly make various forms and widths of pulse waves such as low-voltage sine wave, square wave, and sawtooth wave. Waveform control is not easy when voltage exceeds a certain amount of kVs. Pulse forming network (PFN) or pulse forming line (PFL) has been used so far along with trigger gap, rail gap, semiconductor switch, ignitron, cyratron, and autocompression switch, which are used as switching device. For PFN, multistep LC circuit is introduced to widen the pulse width, and for PFL, a method to lengthen the charging line is adopted. These methods are difficult to control because a large number of devices are used, and the devices are getting bigger in terms of size. In order to compensate this weakness, the researchers of this study made self-stimulating pulse forms with various pulse widths by actively engrafting the low-voltage two-step or four-step circuits with the AVR one-chip microprocessor technology, which is widely used for two-step or four-step electric network recently with low price.
- Publication
Biomedical Engineering: Applications, Basis & Communications, 2013, Vol 25, Issue 3, p-1
- ISSN
1016-2372
- Publication type
Article
- DOI
10.4015/S1016237213500324