Microwave oven with a magnetron and with a driver circuit for the magnetron, wherein the driver circuit has: a high voltage generator for generating a high voltage for the magnetron, wherein the high voltage generator has a high voltage transformer and a full bridge (T3 - T6) with a first and a second push-pull amplifier, wherein the push-pull amplifiers are connected in parallel and each push-pull amplifier has a first switching element (T3, T5) in series with a second switching element (T4, T6), and wherein a primary winding of the high voltage transformer is arranged between the two push-pull amplifiers, and a controller, wherein the controller is adapted, alternatingly in switching cycles (tc), - to switch on the first switching element of the first push-pull amplifier (T3, T4) and the second switching element of the second push-pull amplifier (T5, T6) and - to switch on the second switching element of the first push-pull amplifier (T3, T4) and the first switching element of the second push-pull amplifier (T5, T6), characterized in that the controller is adapted - during an operating mode A to switch off the first switching element of the first push-pull amplifier, while the second switching element of the second push-pull amplifier is still switched on, and - during an operating mode A' to switch off the second switching element of the second push-pull amplifier, while the first switching element of the first push-pull amplifier is still switched on, wherein the controller is adapted to switch back and forth between the operating modes A and A'. a high voltage generator for generating a high voltage for the magnetron, wherein the high voltage generator has a high voltage transformer and a full bridge (T3 - T6) with a first and a second push-pull amplifier, wherein the push-pull amplifiers are connected in parallel and each push-pull amplifier has a first switching element (T3, T5) in series with a second switching element (T4, T6), and wherein a primary winding of the high voltage transformer is arranged between the two push-pull amplifiers, and a controller, wherein the controller is adapted, alternatingly in switching cycles (tc), - to switch on the first switching element of the first push-pull amplifier (T3, T4) and the second switching element of the second push-pull amplifier (T5, T6) and - to switch on the second switching element of the first push-pull amplifier (T3, T4) and the first switching element of the second push-pull amplifier (T5, T6), - to switch on the first switching element of the first push-pull amplifier (T3, T4) and the second switching element of the second push-pull amplifier (T5, T6) and - to switch on the second switching element of the first push-pull amplifier (T3, T4) and the first switching element of the second push-pull amplifier (T5, T6), characterized in that the controller is adapted - during an operating mode A to switch off the first switching element of the first push-pull amplifier, while the second switching element of the second push-pull amplifier is still switched on, and - during an operating mode A' to switch off the second switching element of the second push-pull amplifier, while the first switching element of the first push-pull amplifier is still switched on, - during an operating mode A to switch off the first switching element of the first push-pull amplifier, while the second switching element of the second push-pull amplifier is still switched on, and - during an operating mode A' to switch off the second switching element of the second push-pull amplifier, while the first switching element of the first push-pull amplifier is still switched on, wherein the controller is adapted to switch back and forth between the operating modes A and A'.