Radio frequency front-end circuitry amplifier gain calibration systems and methods

A method for implementing front-end circuitry in a radio frequency system, comprising:

• coupling a first electrical connector between a transceiver integrated circuit and a first antenna integrated circuit to enable a first transceiver amplifier unit and a first antenna amplifier unit to communicate a first data stream via the first electrical connector during wireless communication of the first data stream via the first antenna integrated circuit;
• coupling a second electrical connector between the transceiver integrated circuit and the first antenna integrated circuit to enable a second transceiver amplifier unit and a second antenna amplifier unit to communicate a second data stream via the second electrical connector during wireless communication of the second data stream via the first antenna integrated circuit;
• and
• coupling a first electrical connector switching device between a first antenna-side of the first electrical connector and a second antenna-side of the second electrical connector to enable the radio frequency system to selectively connect the first antenna-side of the first electrical connector and the second antenna-side of the second electrical connector to facilitate determining a first combined connector loss of the first electrical connector and the second electrical connector.

A tangible, non-transitory, computer-readable medium storing instructions executable by one or more processors of an electronic device, wherein the instructions comprise instructions to:

• instruct, using the one or more processors, a radio frequency system implemented in the electronic device to electrically connect a first antenna-side of a first electrical connector coupled between a transceiver integrated circuit and an antenna with a second antenna-side of a second electrical connector coupled between the transceiver integrated circuit and the antenna;
• instruct, using the one or more processors, the radio frequency system to supply a first test signal to a first transceiver amplifier unit coupled to a first transceiver-side of the first electrical connector while the first antenna-side of the first electrical connector and the second antenna-side of the second electrical connector are electrically connected;
• determine, using the one or more processors, a first connector loss of the first electrical connector, a second connector loss of the second electrical connector, or both based at least in part on a transmit gain applied on the first test signal by the first transceiver amplifier unit, a receipt gain applied on the first test signal by a second transceiver amplifier unit coupled to a second transceiver-side of the second electrical connector, a first output power of the first test signal supplied to the first transceiver amplifier unit, and a first return power of the first test signal output from the second transceiver amplifier unit;
• and
• adjust the transmit gain to be applied by the first transceiver amplifier unit during wireless transmission of a first data stream via the antenna based at least in part on the first connector loss of the first electrical connector, the receipt gain to be applied by the second transceiver amplifier unit during wireless reception of a second data stream via the antenna based at least in part on the second connector loss of the second electrical connector, or both.