# US 12,222,438 B1 · Systems and methods for modular radar systems > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,222,438 B1 - Document ID: US12222438B1 - Status: Granted - Kind: B1 - Application number: 18/485,029 - Filed: 2023-10-11 - Granted: 2025-02-11 - Earliest claimed: 2019-05-28 - Assignees: Raytheon Company - Applicants: Raytheon Company - Inventors: Derek P. Rocca; Michael T. Borkowski; Thomas Lulsdorf; Kenneth P. Walsh, Jr.; Christopher J. Yafrate; Michael P. Martinez; Erin K. Nolan; Kassam K. Bellahrossi; Bryan J. Cavener - Web page: https://patentgrep.com/patent/US12222438B1 ## CPC - G01S 7/032: {Constructional details for solid-state radar subsystems} - G01S 13/87: Combinations of radar systems, e.g. primary radar and secondary radar - H05K 7/20254: {Cold plates transferring heat from heat source to coolant} - H05K 7/20272: {Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds} - G01S 7/027: {Constructional details of housings, e.g. form, type, material or ruggedness} - G01S 13/913: {for landing purposes} - G01S 2013/0245: {Radar with phased array antenna} - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract A system and apparatus is provided for a modular radar system. The modular radar system can include a plurality of radar system modules that can be detachably coupled and can include a configurable number of radio-frequency (RF) transmit and receive assemblies. The RF transmit and receive assemblies can include radiating element(s) that emit electromagnetic radiation. The plurality of radar system modules can also include at least one processor coupled to control power of the electromagnetic radiation and/or at least one controller to control the RF transmit and receive assembly, the power unit and the digital receiver and exciter module, at least one digital receiver and exciter to convert RF to digital in receive mode, and digital to RF in transmit mode, and/or at least one RF beamformer to generate one or more RF beams. ## Claims ### Claim 1 A radar system unit for a radar system, the radar system unit comprising: a cooling manifold coupled to a mount; at least one radio frequency (RF) beamformer coupled to the mount and configured to generate one or more RF beams; multiple RF transmit and receive assemblies coupled to the cooling manifold, each RF transmit and receive assembly comprising at least one radiating element configured to emit electromagnetic radiation; for each RF transmit and receive assembly: a digital receiver and exciter (DREX) coupled to the mount and configured to convert RF from the RF transmit and receive assembly to digital in receive mode and to convert digital to RF for the RF transmit and receive assembly in transmit mode; a first processor coupled to the mount and configured to control power of the electromagnetic radiation of the at least one radiating element for the RF transmit and receive assembly; and a second processor coupled to the mount and configured to control the RF transmit and receive assembly, a power unit, and the DREX; and a midplane coupled to a) the mount, b) the first processor for each of the RF transmit and receive assemblies, c) the second processor for each of the RF transmit and receive assemblies, and d) the predefined number of RF transmit and receive assemblies. ### Claim 2 (depends on 1) The radar system unit of claim 1, wherein a predefined number of the RF transmit and receive assemblies is eight. ### Claim 3 (depends on 1) The radar system unit of claim 1, wherein each of the RF transmit and receive assemblies has 32 channels. ### Claim 4 (depends on 1) The radar system unit of claim 1, wherein each RF transmit and receive assembly further comprises an integral radiator. ### Claim 5 (depends on 1) The radar system unit of claim 1, wherein the cooling manifold is a vacuum brazed aluminum structure. ### Claim 6 (depends on 1) The radar system unit of claim 1, wherein each RF transmit and receive assembly further comprises a 64 element subarray. ### Claim 7 (depends on 1) The radar system unit of claim 1, wherein the cooling manifold is a liquid filled cold plate. ### Claim 8 (depends on 1) The radar system unit of claim 1, wherein each RF transmit and receive assembly, each first processor, each second processor, each DREX, or any combination thereof are detachably coupled to the mount. ### Claim 9 (depends on 1) The radar system unit of claim 1, wherein each RF transmit and receive assembly is configured to operate within S-band, C-band, or X-band frequencies. ### Claim 10 (depends on 1) The radar system unit of claim 1, wherein the mount is aluminum. ### Claim 11 A radar system comprising: multiple radar system units, each radar system unit comprising: a cooling manifold coupled to a mount; at least one radio frequency (RF) beamformer coupled to the mount and configured to generate one or more RF beams; a plurality of radio-frequency (RF) transmit and receive assemblies coupled to the cooling manifold, each RF transmit and receive assembly comprising at least one radiating element configured to emit electromagnetic radiation; for each RF transmit and receive assembly: a digital receiver and exciter (DREX) coupled to the mount and configured to convert RF from the RF transmit and receive assembly to digital in receive mode and to convert digital to RF for the RF transmit and receive assembly in transmit mode; a first processor coupled to the mount and configured to control power of the electromagnetic radiation of the at least one radiating element for the RF transmit and receive assembly; and a second processor coupled to the mount and configured to control the RF transmit and receive assembly, a power unit, and the DREX; and a midplane coupled to the mount, the first processor for each RF transmit and receive assembly, the second processor for each RF transmit and receive assembly, and the plurality of RF transmit and receive assemblies. ### Claim 12 (depends on 11) The radar system of claim 11, wherein the plurality of RF transmit and receive assemblies includes eight RF transmit and receive assemblies. ### Claim 13 (depends on 12) The radar system of claim 12, wherein each RF transmit and receive assembly has 32 channels. ### Claim 14 (depends on 11) The radar system of claim 11, wherein each RF transmit and receive assembly further comprises an integral radiator. ### Claim 15 (depends on 11) The radar system of claim 11, wherein the cooling manifold is a vacuum brazed aluminum structure. ### Claim 16 (depends on 11) The radar system of claim 11, wherein each RF transmit and receive assembly further comprises a 64 element subarray. ### Claim 17 (depends on 11) The radar system of claim 11, wherein the cooling manifold is a liquid filled cold plate. ### Claim 18 (depends on 11) The radar system of claim 11, wherein each RF transmit and receive assembly, each first processor, each second processor, each DREX, or any combination thereof are detachably coupled to the mount. ### Claim 19 (depends on 11) The radar system of claim 11, wherein each RF transmit and receive assembly is configured to operate within S-band, C-band, or X-band frequencies. ### Claim 20 (depends on 11) The radar system of claim 11, wherein the mount is aluminum.