公开(公告)号：US20230091640A1

公开(公告)日：2023-03-23

申请号：US17946978

申请日：2022-09-16

Applicant: Space Exploration Technologies Corp.

Inventor： Ersin Yetisir

IPC: H01Q3/26 ,  H04B17/12 ,  H01Q1/48 ,  H01Q9/04 ,  H01Q21/06

Abstract: An antenna calibration system for a phased array antenna in accordance with one embodiment of the present disclosure generally includes: a beamformer lattice including at least first and second beamformers, each corresponding to a subset of antenna cells, and each including a calibration section for comparing a reference signal to a non-reference signal; and a first operating antenna within the subset of antenna cells corresponding with the first beamformer, wherein the first operating antenna is configured to deliver a first reference signal (mTx) from the first beamformer to be received by a second operating antenna for comparison with a first non-reference signal (Rx) in the first beamformer or in the second beamfomer, and/or wherein the first operating dantenna is configured to deliver a second non-reference signal (Tx) from a third operating antenna for comparison with a second reference signal (mRx) in the first beamformer or in the second beamformer.

公开(公告)号：US11606134B2

公开(公告)日：2023-03-14

申请号：US17471098

申请日：2021-09-09

Applicant: Space Exploration Technologies Corp.

Inventor： Nil Apaydin ,  Chiara Pelletti ,  Souren Shamsinejad ,  Alireza Mahanfar

IPC: H04B7/08 ,  H01Q21/06 ,  H04B7/06 ,  H01Q1/38 ,  H01Q21/22

Abstract: In some embodiments, an apparatus includes a plurality of first conductive traces oriented in a first direction in a first layer and plurality of second conductive traces oriented in a second direction in a second layer coupled by vias to define first hierarchical networks. A plurality of third conductive traces oriented in the first direction in a third layer and a plurality of fourth conductive traces oriented in the second direction in a fourth layer are coupled by vias to define second hierarchical networks. Open ends of the first or second traces at a last stage of the first hierarchical networks comprise first ends and open ends of the third or fourth traces at a last stage of the second hierarchical networks comprise second ends. A first end and a corresponding second end are non-collinear to each other and perpendicular to a major plane of the first layer.

公开(公告)号：US11600915B2

公开(公告)日：2023-03-07

申请号：US16892246

申请日：2020-06-03

Applicant: Space Exploration Technologies Corp.

Inventor： David Milroy ,  Duncan E. Adams ,  Andrea Papi ,  Scott Kaufman ,  Ersin Yetisir ,  Anthony Sims

IPC: H01Q9/04 ,  H01Q1/42 ,  H01Q1/02 ,  H01Q1/12 ,  H01Q1/22 ,  H01Q1/38 ,  H01Q23/00 ,  H01Q15/14 ,  H01Q21/06 ,  H01Q21/10 ,  H01Q21/00

Abstract: In one embodiment of the present disclosure, an antenna apparatus includes a housing assembly including a radome portion and a lower enclosure portion, wherein the radome portion and lower enclosure portion are couplable to form an inner compartment for housing antenna components of the antenna assembly, an antenna stack assembly disposed within the inner compartment, wherein the antenna stack assembly generates heat when in operation, and a heat transfer system within the inner compartment configured to facilitate the flow of heat toward the radome portion.

公开(公告)号：USD971900S1

公开(公告)日：2022-12-06

申请号：US29693564

申请日：2019-06-03

Applicant: Space Exploration Technologies Corp.

Designer： David Milroy ,  Anthony Sims ,  J Gabriel Rustia

公开(公告)号：US11509048B2

公开(公告)日：2022-11-22

申请号：US16892235

申请日：2020-06-03

Applicant: Space Exploration Technologies Corp.

Inventor： David Milroy ,  Duncan E. Adams ,  Ersin Yetisir

IPC: H01Q21/06 ,  H01Q1/42 ,  H01Q9/04 ,  H01Q1/02 ,  H01Q1/12 ,  H01Q1/22 ,  H01Q1/38 ,  H01Q23/00 ,  H01Q15/14 ,  H01Q21/10 ,  H01Q21/00

Abstract: In one embodiment of the present disclosure, an antenna assembly includes a patch antenna array including an upper patch antenna layer, a lower patch antenna layer, and a spacer therebetween, wherein the spacer includes a plurality of apertures defined by cell walls, wherein the each aperture aligns with an upper patch antenna element and a lower patent antenna element from the patch antenna array.

公开(公告)号：US20220352636A1

公开(公告)日：2022-11-03

申请号：US17367140

申请日：2021-07-02

Applicant: Space Exploration Technologies Corp.

Inventor： Ersin Yetisir

IPC: H01Q9/04 ,  H01Q1/48 ,  H01Q21/06

Abstract: An antenna assembly in accordance with one embodiment of the present disclosure includes a stack patch antenna assembly defining a plurality of antenna cells made from a plurality of patches, wherein the stack patch antenna assembly includes a first patch layer separated from a second patch layer by a spacer; a beamformer lattice including one or more beamformers, wherein each beamformer corresponds to a subset of antenna cells of the plurality of antenna cells; and a PCB assembly made up from a plurality of layers, the PCB assembly having a feed structure from the stack patch antenna assembly to the beamformer lattice disposed in the PCB assembly, wherein the stack patch antenna assembly is external to the PCB assembly.

公开(公告)号：US20220311467A1

公开(公告)日：2022-09-29

申请号：US17703766

申请日：2022-03-24

Applicant: Space Exploration Technologies Corp.

Inventor： Amir Agah ,  Eric Pepin ,  Kim W. Schulze

IPC: H04B1/3805 ,  H04B1/00 ,  H04B1/10

Abstract: Technologies for provided for a radio frequency input/output (RFIO) combiner/splitter. An example combiner/splitter can include an RFIO circuit including a receive path including first and second low noise amplifiers (LNAs), first switches, resistors, and capacitors, each of the first switches being in series with a respective one of the first capacitors and first resistors;
a transmit path including a first power amplifier (PA) including second switches coupled to second resistors and third switches coupled to third resistors, and a second PA including fourth switches coupled to fourth resistors and fifth switches coupled to fifth resistors, each of the second switches, the third switches, the fourth switches, and the fifth switches being in series with one or more respective ones of the second resistors, the third resistors, the fourth resistors, and the fifth resistors; and a balun that couples the Rx and Tx path to an RFIO terminal.

公开(公告)号：US20220311404A1

公开(公告)日：2022-09-29

申请号：US17707735

申请日：2022-03-29

Applicant: Space Exploration Technologies Corp.

Inventor： Frederic Duez ,  Frederic Paillardet

IPC: H03G3/30 ,  H03F3/19 ,  H04B1/04

Abstract: Technologies are provided for variable gain amplifiers (VGAs). An example VGA includes a resistor ladder including resistor legs coupled to first and second resistors; first differential switches connected to the resistor ladder and second differential switches connected to output nodes, a transistor in each of the first differential switches being coupled to an first electrical line interconnecting the first resistors and a different transistor in each of the first differential switches being coupled to a second electrical line interconnecting the second resistors; third differential switches connected to the resistor ladder and fourth differential switches connected to the output nodes, a transistor in each of the third differential switches being coupled to the first electrical line and a different transistor in each of the fourth differential switches being coupled to the second electrical line; and a pair of transistors respectively connected to the first differential switches and the third differential switches.

公开(公告)号：US20220255786A1

公开(公告)日：2022-08-11

申请号：US17671077

申请日：2022-02-14

Applicant: Space Exploration Technologies Corp.

Inventor： Martin S. McCormick ,  Feipeng Wang

IPC: H04L27/36 ,  H03F1/32 ,  H04B1/04

Abstract: A wireless communications system includes a pre-distortion actuator configured to receive a carrier-modulated signal and convert the carrier-modulated signal into an output signal. The system includes one or more antennas configured to receive the output signal and transmit the output signal, one or more power amplifiers electrically coupled between the pre-distortion actuator and the one or more antennas and a receiver configured to receive the output signal over-the-air and generate feedback based on the output signal. The pre-distortion actuator is configured to generate the output signal by applying a correction to the carrier-modulated signal that cancels out nonlinearities associated with the one or more antennas and/or the one or more power amplifiers. The pre-distortion actuator is configured based on the feedback.

公开(公告)号：US20220149540A1

公开(公告)日：2022-05-12

申请号：US17583654

申请日：2022-01-25

Applicant: Space Exploration Technologies Corp.

Inventor： Javier Rodriguez De Luis ,  Nil Apaydin ,  Ersin Yetisir ,  Alireza Mahanfar ,  Siamak Ebadi

IPC: H01Q21/00 ,  H01Q3/26 ,  H01Q1/38

Abstract: An apparatus includes a plurality of conductive structures having first sides and second sides opposite the first sides, wherein the second sides of the plurality of conductive structures are configured to be physically coupleable with a printed circuit board (PCB) of a receiver or a transmitter. The first sides of the plurality of conductive structures are configured to be spaced from the PCB by a first distance when the plurality of conductive structures is physically coupled with the PCB. The apparatus includes an antenna having a first side and a second side opposite the first side. The first side of the antenna includes a radiating side of the antenna and the second side of the antenna is disposed closer to the plurality of conductive structures than the first side of the antenna when the plurality of conductive structures is physically coupled with the PCB.