Ablation equipment to treat target regions of tissue in organs, comprising an ablation catheter and a single power source; said ablation catheter comprising: a catheter elongated shaft comprising at least an elongated shaft distal portion; said catheter elongated shaft comprising a flexible body to navigate through body vessels; said ablation catheter further comprising a shaft ablation assembly disposed at said elongated shaft distal portion; said shaft ablation assembly comprising at least a plurality of electrodes (127, 113 or 114) fixedly disposed at said elongated shaft distal portion; all electrodes of said at least a plurality (127, 113 or 114) being electrically powered by said single power source through an electric signal to deliver both non-thermal energy for treating the tissue and thermal energy for ablating the tissue; wherein said single power source, when requested, changes continuously said electric signal in order to power the said least a plurality of electrodes (127, 113 or 114) to deliver from a non-thermal energy to a thermal energy, and vice versa, or to deliver at the same time a combination of thermal energy and non-thermal energy; wherein said single power source comprises a single control unit and a power unit for generating said electric signal; said power unit being electrically connected to all electrodes of said at least a plurality of electrodes (127, 113 or 114); wherein said power unit comprises a power module comprising: - a drive circuit block controlled by the single control unit for generating said electric signal starting from a supply voltage signal (Vcc) provided by the single control unit; - a selecting block selectively controlled by said drive circuit block to change continuously the electric energy level associated to said signal; - a filtering and electrical isolation block (405, 406). said ablation catheter comprising: a catheter elongated shaft comprising at least an elongated shaft distal portion; said catheter elongated shaft comprising a flexible body to navigate through body vessels; said ablation catheter further comprising a shaft ablation assembly disposed at said elongated shaft distal portion; said shaft ablation assembly comprising at least a plurality of electrodes (127, 113 or 114) fixedly disposed at said elongated shaft distal portion; all electrodes of said at least a plurality (127, 113 or 114) being electrically powered by said single power source through an electric signal to deliver both non-thermal energy for treating the tissue and thermal energy for ablating the tissue; wherein said single power source, when requested, changes continuously said electric signal in order to power the said least a plurality of electrodes (127, 113 or 114) to deliver from a non-thermal energy to a thermal energy, and vice versa, or to deliver at the same time a combination of thermal energy and non-thermal energy; wherein said single power source comprises a single control unit and a power unit for generating said electric signal; said power unit being electrically connected to all electrodes of said at least a plurality of electrodes (127, 113 or 114); wherein said power unit comprises a power module comprising: - a drive circuit block controlled by the single control unit for generating said electric signal starting from a supply voltage signal (Vcc) provided by the single control unit; - a selecting block selectively controlled by said drive circuit block to change continuously the electric energy level associated to said signal; - a filtering and electrical isolation block (405, 406). - a drive circuit block controlled by the single control unit for generating said electric signal starting from a supply voltage signal (Vcc) provided by the single control unit; - a selecting block selectively controlled by said drive circuit block to change continuously the electric energy level associated to said signal; - a filtering and electrical isolation block (405, 406).