a rectifying circuit includes a first diode coupled between a first terminal configured to receive application of an a c voltage and a first terminal configured to deliver a rectified voltage and an anode gate thyristor coupled between a second terminal configured to receive application of the a c voltage and a second terminal configured to deliver the rectified voltage wherein an anode of the anode gate thyristor is connected to the second terminal configured to deliver the rectified voltage application_number US 201514826627 A description the same elements have been designated with the same reference numerals in the different drawings for clarity only those steps and elements which are useful to the understanding of the described embodiments have been shown and will be detailed in particular what use is made of the rectified voltage has not been detailed the described embodiments being compatible with usual applications of such a rectified voltage further the circuits for generating control signals from a microcontroller have not been detailed either the described embodiments being here again compatible with usual control signal generation circuits fig1 is an electric diagram of an example of a controllable rectifying bridge with thyristors of the type described in above mentioned u s pat no 6 493 245 this bridge is a fullwave bridge and comprises two parallel branches between two terminals 11 and 12 of delivery of a rectified voltage vout each branch comprises a thyristor th 1 respectively th 2 connected to a diode d 1 respectively d 2 the diode anodes being on the side of terminal 12 which defines the most negative potential generally the ground or reference potential of rectified voltage vout the respective junction points of the thyristors and the diodes define two terminals 13 and 14 of application of an a c.