1. A high voltage high frequency (HVHF) transformer assembly, the
transformer assembly comprising:
a housing, wherein the housing encloses a transformer, a rectifier PCB circuits and a base plate which provides structural strength to the assembly;
the transformer with atleast two (top & bottom) material core, where the material cores has two limbs with unique winding arrangement on each limbs of material cores as a primary winding and a secondary winding is wound over the primary winding as a multiple secondaries section, wherein the material core transfers energy from the primary winding to the secondary windings,
the primary winding receives high frequency pulse voltage as an input form an input source; and
atleast two rectifier PCB circuit coupled to the output of secondary windings of transformer, where each rectifier PCB circuit has plurality of diodes and the rectifiers are connected in cascade to generate a high voltage DC output voltage.
2. The transformer assembly as claimed in claim 1, wherein atleast two material core are stacked one above the other in both halves (top & bottom).
3. The transformer assembly as claimed in claim 1, wherein the primary winding is the inner most winding and over the primary winding, the multiple secondaries section is wound as a secondary winding, where each secondary section is wound in a single layer fashion which reduces the winding capacitance of the transformer.

4. The transformer assembly as claimed in claim 1, wherein the transformer uses multi strand thin copper wire wound as a primary winding and high voltage wire with FEP (Fluorinated ethylene propylene) insulation as a secondary winding.
5. The transformer assembly as claimed in claim 1, wherein the rectifier printed circuit boards (PCB’s) are stacked one above the other with diodes facing downwards in each rectifier PCBs, where diode is a HV diode which are connected in bridge configuration.
6. The transformer assembly as claimed in claim 1, wherein the total output voltage produced by the high voltage transformer are divided into a number of lower voltage secondaries and rectified at each rectifier PCBs, the lower voltage that are generated by each section reduces the voltage stress on rectifiers and improves the lifespan of the transformer.
7. The transformer assembly as claimed in claim 1, wherein each rectifier PCBs consists of multiple diodes in series to obtain the required reverse voltage and where each rectifier PCBs connected and spaced with insulated spacers.
8. The transformer assembly as claimed in claim 1, wherein the transformer and rectifier PCB circuits are positioned and fixed to the housing, where the housing has the metal base plate (machined aluminium) which provides structural strength to the assembly and also assists in transfer of heat from transformer and rectifiers.

9. The transformer assembly as claimed in claim 1, further comprises a high voltage capacitor block, where this high voltage capacitor block receives outputs from the atleast two rectifier printed circuit boards (PCB’s) as cathode tap and collector tap outputs.
10. The transformer assembly as claimed in claim 1, wherein the metal base plate is sandblasted to provide additional adhesion strength during encapsulation.
11. The transformer assembly as claimed in claim 1, wherein the transformer and rectifier assembly utilizes a solid dielectric insulation material generating high voltage at high frequency.
12. The transformer assembly as claimed in claim 1, wherein the transformer provides two output voltages, one for cathode and other for collector terminals respectively, and is capable of operating from a given input voltage of ‘V’ at high frequency ‘F’.