# US 12,003,223 B2 · Systems and methods for modular power amplifiers > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,003,223 B2 - Document ID: US12003223B2 - Status: Granted - Kind: B2 - Application number: 17/354,971 - Filed: 2021-06-22 - Published: 2021-12-23 - Granted: 2024-06-04 - Earliest claimed: 2020-06-22 - Assignees: Epirus, Inc. - Applicants: Epirus, Inc. - Inventors: Denpol Kultran; Yiu Man So; Albert Montemuro; Jacob Zinn Echoff; Michelle Marasigan; Michael John Hiatt; Jason Reis Chaves; Michael Alex Borisov; Jar Jueh Lee; Harry Bourne Marr, Jr.; Scott William Buetow - Web page: https://patentgrep.com/patent/US12003223B2 ## CPC - H03F 3/245: {with semiconductor devices only} - H03F 3/195: in integrated circuits - H03F 3/602: {Combinations of several amplifiers} - H03F 2200/192: A hybrid coupler being used at the input of an amplifier circuit - H03F 2200/198: A hybrid coupler being used as coupling circuit between stages of an amplifier circuit - H03F 2200/204: A hybrid coupler being used at the output of an amplifier circuit - H03F 2200/451: the amplifier being a radio frequency amplifier - H03F: AMPLIFIERS ## Abstract Systems and apparatuses are disclosed that include an RF generator configured to generate RF signals having a wavelength. Amplifiers are configured to receive and amplify the RF signals from the RF generator and are separated from each other by a separation distance in a range between about 0.2 times the wavelength and about 10.0 times the wavelength. A power management system is configured to control one or more of the amplifiers based on information received that is associated with the RF signals. ## Claims ### Claim 1 A system comprising: an RF generator configured to generate RF signals having a wavelength; a plurality of amplifiers configured to receive and amplify the RF signals from the RF generator and that are separated from each other by a separation distance approximately 0.2-10.0 times the wavelength; a sensor configured to detect at least one sensed characteristic associated with at least one amplifier of the plurality of amplifiers; and a power management system configured to control one or more of the plurality of amplifiers based on the sensed characteristic. ### Claim 2 (depends on 1) The system of claim 1, wherein the power management system is further configured to modify a bias voltage or a bias current of one or more of the plurality of amplifiers. ### Claim 3 (depends on 1) The system of claim 1, the plurality of amplifiers comprising: a first high-power amplifier configured to receive a first RF signal and output a first amplified RF signal; and a second high-power amplifier configured to receive a second RF signal and output a second amplified RF signal, the second high-power amplifier having a different orientation than the first high-power amplifier, the different orientations causing a reduction in electromagnetic interference between the first high-power amplifier and the second high-power amplifier. ### Claim 4 (depends on 1) The system of claim 1, wherein the sensor is a current sensor. ### Claim 5 (depends on 4) The system of claim 4, wherein the current sensor is a drain current sensor that monitors a drain current of one or more of the plurality of amplifiers. ### Claim 6 (depends on 5) The system of claim 5, wherein the system is configured to: compare a sensed current value obtained from the drain current sensor to a threshold value; and identify a deviation from a desired amplifier state of one or more of the plurality of amplifiers. ### Claim 7 (depends on 6) The system of claim 6, wherein the system is further configured to: determine an amount by which a voltage or a current provided to one or more of the plurality of amplifiers should be offset based on the deviation of the amplifier state; and apply the offset to one or more of the plurality of amplifiers. ### Claim 8 (depends on 1) The system of claim 1, wherein the sensed characteristic is a temperature. ### Claim 9 (depends on 8) The system of claim 8, wherein the sensor is a current sensor and the power management system is further configured to determine a temperature based on a drain current of one or more of the plurality of amplifiers as detected with the current sensor. ### Claim 10 (depends on 8) The system of claim 8, wherein the power management system is further configured to adjust a bias voltage or a bias current based on the detected drain current to improve an operational characteristic of one or more of the plurality of amplifiers. ### Claim 11 (depends on 8) The system of claim 8, wherein the power management system is further configured to: determine, at least intermittently, the temperature of one or more of the plurality of amplifiers; and adjust a bias voltage or a bias current of one or more of the plurality of amplifiers based on the determined temperature to improve an operational characteristic of one or more of the plurality of amplifiers. ### Claim 12 (depends on 1) The system of claim 1, further comprising a non-transitory, machine-readable medium storing instructions which, when executed by at least one programmable processor, cause operations comprising: in response to detecting presence of an amplifier: transmitting, a request for an IP address; transmitting, a subnet address of a port connected to the amplifier; and assigning, by an address server, an IP address to the amplifier based on the subnet address of the amplifier.