# US 2026/0100728 A1 · Antenna arrangement > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2026/0100728 A1 - Document ID: US20260100728A1 - Status: Published application - Kind: A1 - Application number: 19/332,760 - Filed: 2025-09-18 - Published: 2026-04-09 - Earliest claimed: 2024-10-04 - Assignees: NXP B.V. - Applicants: NXP B.V. - Inventors: Erich Merlin; Manoj Kurvathodil; Eric Maurice; Olivier Claude Moreau - Web page: https://patentgrep.com/patent/US20260100728A1 ## CPC - H04B 1/401: for selecting or indicating operating mode - H04B 5/26: using coils - H01Q 5/371: Branching current paths - H03H 7/38: Impedance-matching networks - H04B 5/43: Antennas - H04B: TRANSMISSION - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - H03H: IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS (waveguides, resonators, lines or other devices of the waveguide type H01P) ## Abstract An antenna arrangement comprising: a first antenna; a second antenna; a first transmitter path extending from a first end to a second end wherein the first antenna is arranged at the second end of the first transmitter path; a second transmitter path extending from a first end to a second end wherein the second antenna is arranged at the second end of the second transmitter path; a matching circuit comprising a first capacitor along the first transmitter path, a second capacitor arranged along the second transmitter path; a first receiver path coupled to the first transmitter path at a first tapping point; and a second receiver path coupled to the second transmitter path at a second tapping point; and wherein the antenna arrangement is absent an intermediate reference voltage node between the first antenna and the second antenna. ## Claims ### Claim at position 1 -8. (canceled) ### Claim 9 An antenna arrangement comprising: a first antenna configured to receive and transmit a first set of near field communication (NFC) signals; a second antenna configured to receive and transmit a second set of NFC signals wherein the first antenna is coupled in series with the second antenna; a first transmitter path extending from a first end to a second end wherein the first antenna is arranged at the second end of the first transmitter path; a second transmitter path extending from a first end to a second end wherein the second antenna is arranged at the second end of the second transmitter path; a matching circuit comprising a first capacitor arranged in series between the first end of the first transmitter path and the first antenna, a second capacitor arranged in series between the first end of the second transmitter path and the second antenna; a first receiver path coupled to the first transmitter path at a first tapping point wherein the first tapping point is between the first end of the first transmitter path and the first antenna; and a second receiver path coupled to the second transmitter path at a second tapping point wherein the second tapping point is between the first end of the second transmitter path and the second antenna; and wherein the antenna arrangement is absent an intermediate reference voltage node between the first antenna and the second antenna. ### Claim 10 (depends on 9) The antenna arrangement of claim 9, wherein the matching circuit further comprises a third capacitor coupled between the first capacitor and the second capacitor. ### Claim 11 (depends on 9) The antenna arrangement of claim 9, further comprising: a first electromagnetic compatibility (EMC) filter arranged between the first end of the first transmitter path and the first capacitor of the matching circuit; and a second EMC filter arranged between the first end of the second transmitter path and the second capacitor of the matching circuit. ### Claim 12 (depends on 11) The antenna arrangement of claim 11, wherein: the first tapping point is arranged between the first EMC filter and the first capacitor of the matching circuit; and the second tapping point is arranged between the second EMC filter and the second capacitor of the matching circuit. ### Claim 13 (depends on 11) The antenna arrangement of claim 11, wherein each EMC filter is coupled to a reference voltage node. ### Claim 14 (depends on 13) The antenna arrangement of claim 13, wherein the first antenna and the second antenna are coupled to a reference voltage node via at least one of the first EMC filter and the second EMC filter. ### Claim 15 (depends on 13) The antenna arrangement of claim 13, wherein: the first EMC filter comprises a capacitor having a first terminal coupled to the first tapping point; the second EMC filter comprises a capacitor arranged in series with the capacitor of the first EMC filter, the capacitor of the second EMC filter comprises a first terminal coupled to the second tapping point; and the antenna arrangement further comprises a reference node configured to provide a reference voltage coupled between the capacitors of the first and second EMC filters. ### Claim 16 A near field communications (NFC) device comprising: an antenna arrangement comprising: a first antenna configured to receive and transmit a first set of NFC signals; a second antenna coupled in series with the first antenna and configured to receive and transmit a second set of NFC signals; a first transmitter path extending from a first end to a second end wherein the first antenna is arranged at the second end of the first transmitter path; a second transmitter path extending from a first end to a second end wherein the second antenna is arranged at the second end of the second transmitter path; a matching circuit comprising a first capacitor and a second capacitor, the first capacitor arranged in series between the first end of the first transmitter path and the first antenna, the second capacitor arranged in series between the first end of the second transmitter path and the second antenna; a first receiver path coupled to the first transmitter path at a first tapping point between the first end of the first transmitter path and the first antenna; and a second receiver path coupled to the second transmitter path at a second tapping point between the first end of the second transmitter path and the second antenna; and wherein the antenna arrangement does not include an intermediate reference voltage node between the first antenna and the second antenna. ### Claim 17 (depends on 16) The NFC device of claim 16, wherein the matching circuit further comprises a third capacitor coupled between the first capacitor and the second capacitor. ### Claim 18 (depends on 16) The NFC device of claim 16, further comprising: a first electromagnetic compatibility (EMC) filter arranged between the first end of the first transmitter path and the first capacitor of the matching circuit; and a second EMC filter arranged between the first end of the second transmitter path and the second capacitor of the matching circuit. ### Claim 19 (depends on 18) The NFC device of claim 18, wherein: the first tapping point is arranged between the first EMC filter and the first capacitor of the matching circuit; and the second tapping point is arranged between the second EMC filter and the second capacitor of the matching circuit. ### Claim 20 (depends on 18) The NFC device of claim 18, wherein each EMC filter is coupled to a reference voltage node. ### Claim 21 (depends on 20) The NFC device of claim 20, wherein the first antenna and the second antenna are coupled to a reference voltage node via at least one of the first EMC filter and the second EMC filter. ### Claim 22 (depends on 20) The NFC device of claim 20, wherein: the first EMC filter comprises a capacitor having a first terminal coupled to the first tapping point; the second EMC filter comprises a capacitor arranged in series with the capacitor of the first EMC filter, the capacitor of the second EMC filter comprises a first terminal coupled to the second tapping point; and the antenna arrangement further comprises a reference node configured to provide a reference voltage coupled between the capacitors of the first and second EMC filters. ### Claim 23 A device comprising: a first transmitter path extending from a first end to a second end; a second transmitter path extending from a first end to a second end; a first antenna coupled to the second end of the first transmitter path and configured to receive and transmit a first set of near field communication (NFC) signals; a second antenna coupled in series with the first antenna and coupled to the second end of the second transmitter path, the second antenna configured to receive and transmit a second set of NFC signals; a matching circuit comprising a first capacitor arranged in series between the first end of the first transmitter path and the first antenna, a second capacitor arranged in series between the first end of the second transmitter path and the second antenna; a first receiver path coupled to the first transmitter path at a first tapping point wherein the first tapping point is between the first end of the first transmitter path and the first antenna; and a second receiver path coupled to the second transmitter path at a second tapping point wherein the second tapping point is between the first end of the second transmitter path and the second antenna; and wherein the device does not include a reference voltage node between the first antenna and the second antenna. ### Claim 24 (depends on 23) The device of claim 23, wherein the matching circuit further comprises a third capacitor coupled between the first capacitor and the second capacitor. ### Claim 25 (depends on 23) The device of claim 23, further comprising: a first electromagnetic compatibility (EMC) filter arranged between the first end of the first transmitter path and the first capacitor of the matching circuit; and a second EMC filter arranged between the first end of the second transmitter path and the second capacitor of the matching circuit. ### Claim 26 (depends on 23) The device of claim 23, wherein: the first tapping point is arranged between the first EMC filter and the first capacitor of the matching circuit; and the second tapping point is arranged between the second EMC filter and the second capacitor of the matching circuit; and wherein each EMC filter is coupled to a reference voltage node. ### Claim 27 (depends on 26) The device of claim 26, wherein the first antenna and the second antenna are coupled to a reference voltage node via at least one of the first EMC filter and the second EMC filter. ### Claim 28 (depends on 26) The device of claim 26, wherein: the first EMC filter comprises a capacitor having a first terminal coupled to the first tapping point; the second EMC filter comprises a capacitor arranged in series with the capacitor of the first EMC filter, the capacitor of the second EMC filter comprises a first terminal coupled to the second tapping point; and wherein the device further comprises a reference node configured to provide a reference voltage coupled between the capacitors of the first and second EMC filters.