RECEIVING-TRANSMITTING MODULE OF ACTIVE PHASED ANTENNA ARRAY OF X-RANGE OF FREQUENCIES Russian patent published in 2025 - IPC H01Q21/00 

FIELD: radioelectronic devices.

SUBSTANCE: invention relates to radio electronic devices, namely to the design of receiving-transmitting modules of active phased antenna arrays in the X-band. Receiving-transmitting module of an active phased antenna array of X-range contains transmitting and receiving channels, including a circulator, an analogue-to-digital converter, a programmable logic integrated circuit, wherein the transmitting channel includes an output power amplifier, a directional coupler unit, a control driver, a controlled n-bit attenuator, a power preamplifier, and the receiving channel includes a protective device, a low-noise amplifier, a matching amplifier. In the transmitting channel between the circulator and the output power amplifier, a directional coupler is connected, the branching part of which contains a matched load with wave impedance of 50 Ohm and a detector diode, to the output of which the input of the analogue-to-digital converter is connected, and its output is connected to the input of the programmable logic integrated circuit having six control buses, to the first of which the input of the control driver is connected, the outputs of which are connected to the inputs of the controlled n-bit attenuator of the transmitting channel, between the attenuator and the preamplifier, a directional coupler is connected, the branching part of which contains a matched load with a wave impedance of 50 Ohm and a detector diode, to the output of which the input of the analogue-to-digital converter is connected, and the input of the preamplifier is connected to the output of the controlled n-bit phase changer, the input of which is connected to the output of the matching amplifier, the input of which is connected to the output of the first microwave switch, the input of which is connected to the output of the controlled n-bit attenuator, which input is connected to the output of the second microwave switch, wherein the switches are connected to the matching amplifier and through the third control bus to the programmable logic integrated circuit, which is connected to the driver input through the fourth control bus, outputs of which are connected to the input of the controlled attenuator, a directional coupler is connected between the second and third microwave switch, the branching part of which contains a matched load with wave impedance of 50 Ohm and a detector diode, to the output of which the input of the analogue-to-digital converter is connected, the input of the third microwave switch is the input of the transmitting channel, output of the third microwave switch through the second control bus is connected to the programmable logic integrated circuit, the output of the receiving channel is connected to the fourth microwave switch through a directional coupler, the branching part of which comprises a matched load with wave impedance of 50 Ohm and a detector diode, to the output of which the input of the analogue-to-digital converter is connected, the fourth microwave switch is connected to the fifth microwave switch through a matching amplifier and a controlled n-bit attenuator, to which a driver is connected, connected through a sixth control bus to a programmable logic integrated circuit, and a controlled n-bit attenuator is connected to the input of the fifth microwave switch, connected to a controlled n-bit phase changer through a matching amplifier, input of the phase shifter is connected through a matching amplifier to a low-noise amplifier, in the receiving channel between the circulator and the protective device, a directional coupler is connected, the branching part of which contains a matched load with wave impedance of 50 Ohm and a detector diode, to the output of which the input of the analogue-to-digital converter is connected, the input of the circulator is the input of the receiving channel, wherein the programmable logic integrated circuit has a temperature sensor.

EFFECT: elimination of self-excitation of the transmitting channel during operation, possibility of controlling the gain and output power of the channels at low or high ambient temperature, as well as the possibility of disconnecting faulty channels in real time, and as a result, increasing the detection range of objects and improving the accuracy of determining the angular coordinates of the target.

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