A 260-MHz RF Bandwidth Mixer-First Receiver With Third-Order Current-Mode Filtering TIA
A mixer-first wideband receiver with RF bandwidth of 260 MHz suitable for the 5G lower frequency band (below 6 GHz) is presented. The filtering trans-impedance amplifier immediately following the mixer is based on a regulated cascode, instead of a conventional shunt-feedback architecture. Thanks to...
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| Veröffentlicht in: | IEEE solid-state circuits letters 2019-09, Vol.2 (9), p.183-186 |
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| container_title | IEEE solid-state circuits letters |
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| creator | Pini, Giacomo Manstretta, Danilo Castello, Rinaldo |
| description | A mixer-first wideband receiver with RF bandwidth of 260 MHz suitable for the 5G lower frequency band (below 6 GHz) is presented. The filtering trans-impedance amplifier immediately following the mixer is based on a regulated cascode, instead of a conventional shunt-feedback architecture. Thanks to a positive-feedback capacitance multiplication, third-order low-pass filtering in the current domain is performed. Wide bandwidth, high linearity, and low power are thus achieved. Measurements on a 28-nm CMOS chip prototype show alternate channel IIP3 and P1dB of +22 dBm and +3 dBm, respectively. RX NF is 5.5 dB while power consumption is 21.6 mW (signal path) and 7.8-mW/GHz (LO) with 1.8/1.2-V supply. |
| doi_str_mv | 10.1109/LSSC.2019.2935573 |
| format | Article |
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The filtering trans-impedance amplifier immediately following the mixer is based on a regulated cascode, instead of a conventional shunt-feedback architecture. Thanks to a positive-feedback capacitance multiplication, third-order low-pass filtering in the current domain is performed. Wide bandwidth, high linearity, and low power are thus achieved. Measurements on a 28-nm CMOS chip prototype show alternate channel IIP3 and P1dB of +22 dBm and +3 dBm, respectively. 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The filtering trans-impedance amplifier immediately following the mixer is based on a regulated cascode, instead of a conventional shunt-feedback architecture. Thanks to a positive-feedback capacitance multiplication, third-order low-pass filtering in the current domain is performed. Wide bandwidth, high linearity, and low power are thus achieved. Measurements on a 28-nm CMOS chip prototype show alternate channel IIP3 and P1dB of +22 dBm and +3 dBm, respectively. RX NF is 5.5 dB while power consumption is 21.6 mW (signal path) and 7.8-mW/GHz (LO) with 1.8/1.2-V supply.</description><subject>Bandwidth</subject><subject>Bandwidths</subject><subject>Broadband</subject><subject>Capacitance</subject><subject>CMOS</subject><subject>Filters</subject><subject>Frequencies</subject><subject>Impedance</subject><subject>Linearity</subject><subject>Low pass filters</subject><subject>mixer first</subject><subject>Mixers</subject><subject>mobile phones</subject><subject>Multiplication</subject><subject>Positive feedback</subject><subject>Power consumption</subject><subject>Radio frequency</subject><subject>Receivers</subject><issn>2573-9603</issn><issn>2573-9603</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpNkFtrAjEQhUNpoWL9AaUvgT7H5mI2m0e7dKuwIqjFx7CXSY3YXZtde_v1jSilT2eY-c7McBC6ZXTIGNUP2XKZDDllesi1kFKJC9TjQYiOqLj8V1-jQdtuKQ0oiwSNe2g9xjyiZDb5wYsUP-Z19emqboNn7gs8SZ1vO7yAEtwHeLx2YbLaOF-Rua9CIzl4D3VHZk0FOHW7DryrX_FqOr5BVzbftTA4ax-9pE-rZEKy-fM0GWekDK92hNtKCMYiKoXlRc5GVirKecmkFSNZFoVShc05ywWzI64gl4UuKqUiULIstRJ9dH_au_fN-wHazmybg6_DScMFVVzHsRSBYieq9E3berBm791b7r8No-YYoTlGaI4RmnOEwXN38jgA-OPjWCnNpfgFjYlqGw</recordid><startdate>20190901</startdate><enddate>20190901</enddate><creator>Pini, Giacomo</creator><creator>Manstretta, Danilo</creator><creator>Castello, Rinaldo</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The filtering trans-impedance amplifier immediately following the mixer is based on a regulated cascode, instead of a conventional shunt-feedback architecture. Thanks to a positive-feedback capacitance multiplication, third-order low-pass filtering in the current domain is performed. Wide bandwidth, high linearity, and low power are thus achieved. Measurements on a 28-nm CMOS chip prototype show alternate channel IIP3 and P1dB of +22 dBm and +3 dBm, respectively. RX NF is 5.5 dB while power consumption is 21.6 mW (signal path) and 7.8-mW/GHz (LO) with 1.8/1.2-V supply.</abstract><cop>Piscataway</cop><pub>IEEE</pub><doi>10.1109/LSSC.2019.2935573</doi><tpages>4</tpages><orcidid>https://orcid.org/0000-0002-8375-3862</orcidid><orcidid>https://orcid.org/0000-0001-6085-2668</orcidid><orcidid>https://orcid.org/0000-0001-5097-6384</orcidid></addata></record> |
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| language | eng |
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| source | IEEE |
| subjects | Bandwidth Bandwidths Broadband Capacitance CMOS Filters Frequencies Impedance Linearity Low pass filters mixer first Mixers mobile phones Multiplication Positive feedback Power consumption Radio frequency Receivers |
| title | A 260-MHz RF Bandwidth Mixer-First Receiver With Third-Order Current-Mode Filtering TIA |
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