Corona discharge apparatus

Details Corona discharge apparatus Corona discharge apparatus

H - Electricity

01

T

H01T 19/00 (2006.01) A61N 1/10 (2006.01) H01T 19/04 (2006.01)

Patent

CA 2152821

A power amplifier for use in medical and veterinay testing and therapy. A tunable pulse-width-modulated signal generator (110) is connected to a gating element (120) to provide a digital waveform suitable for comprehensive control of the waveform shape and average output power provided by the apparatus. The digital waveform controls a power driver (130). Through use of a high-Q resonant circuit including a capacitor and a primary winding (150), a coil assembly (1), a voltage of about 150-400 volts is increased to about 10 kilovolts at the primary winding (150). The coil assembly has a secondary:primary turns ratio of 10:1, resulting in a signal of about 100 kilovolts at the output of the secondary winding (170). This arrangement produces a corona discharge at a discharge pin (320) connected to the secondary winding (170). A manual tuning embodiment and a self tuning embodiment are disclosed.

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