resonance transformer

resonance transformer

[′rez·ən·əns tranz‚fȯr·mər]
(electricity)
A high-voltage transformer in which the secondary circuit is tuned to the frequency of the power supply.
(electronics)
An electrostatic particle accelerator, used principally for acceleration of electrons, in which the high-voltage terminal oscillates between voltages which are equal in magnitude and opposite in sign.