Introduction Due to the experience acquired in the last 10 years, in 2019 I decided to design a new pair of small double resonant solid state tesla coils keeping in mind quality, robustness and portability. Specifications Main controller: DD3a (It has been improved, please, check "Mini-DDR" driver)Power Supply: 220VAC full wave rectified mains, closed-loop automatic pre-charge + line filterBridge: BSM150GB60DLC IGBT's Full-BridgeDC BUS: Laminated, 1x 400V | 2.7mF BUS…