A magnetron filter board , comprising: a printed circuit board ; a first trace on the printed circuit board, the first trace including a first end for connecting to a magnetron and a second end for connecting to a power supply unit ; and a second trace on the printed circuit board, the second trace including a first end for connecting to the magnetron and a second end for connecting to the power supply unit , the first trace and the second trace configured as a radio frequency filter , characterized in that the printed circuit board includes a dielectric layer disposed thereon, with a first portion of the dielectric layer intersecting with a first portion of the first trace and a first portion of the second trace , resulting in a first capacitance (C1) associated with the first portion of the first trace and a second capacitance (C2) associated with the first portion of the second trace , and with a second portion of a dielectric layer intersecting with a third portion of the first trace and a third portion of the second trace , resulting in a third capacitance (C3) associated with the third portion of the first trace and a fourth capacitance (C4) associated with the third portion of the second trace , and wherein the second portion of the first trace and the second portion of the second trace intersect with one another in a helical fashion, resulting in a first inductance (L1) associated with the second portion of the first trace and a second inductance (L2) associated with the second portion of the second trace , such that the first capacitance (C1) is in series with the first inductance (L1) and the third capacitance (C3) and the second capacitance (C2) is in series with the second inductance (L2) and the fourth capacitance (C4), thus configured as a radio frequency band-gap filter , the radio frequency band-gap filter configured to mitigate noise associated with the connection between the magnetron and the power supply unit . a printed circuit board ; a first trace on the printed circuit board, the first trace including a first end for connecting to a magnetron and a second end for connecting to a power supply unit ; and a second trace on the printed circuit board, the second trace including a first end for connecting to the magnetron and a second end for connecting to the power supply unit , the first trace and the second trace configured as a radio frequency filter , characterized in that the printed circuit board includes a dielectric layer disposed thereon, with a first portion of the dielectric layer intersecting with a first portion of the first trace and a first portion of the second trace , resulting in a first capacitance (C1) associated with the first portion of the first trace and a second capacitance (C2) associated with the first portion of the second trace , and with a second portion of a dielectric layer intersecting with a third portion of the first trace and a third portion of the second trace , resulting in a third capacitance (C3) associated with the third portion of the first trace and a fourth capacitance (C4) associated with the third portion of the second trace , and wherein the second portion of the first trace and the second portion of the second trace intersect with one another in a helical fashion, resulting in a first inductance (L1) associated with the second portion of the first trace and a second inductance (L2) associated with the second portion of the second trace , such that the first capacitance (C1) is in series with the first inductance (L1) and the third capacitance (C3) and the second capacitance (C2) is in series with the second inductance (L2) and the fourth capacitance (C4), thus configured as a radio frequency band-gap filter , the radio frequency band-gap filter configured to mitigate noise associated with the connection between the magnetron and the power supply unit . <EOS>