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System for Parallel Radio Reception with Digitally Controlled Analog Mixer Amplifiers

Abstract : The parallel reception system (SYS) comprises a plurality of receiving devices (DIS1-DISN), each comprising an amplifying circuit (CA) in a frequency transformation stage coupled with the antenna and configured to perform a frequency transposition of the signal (Vin) received by said antenna. The analog amplifier circuit (CA) comprises transconductance amplifier units (UAj) in parallel, each comprising a PMOS transistor (PI) and an NMOS transistor (N2) the gates of which are connected to the input node (I) and the drains to the output node (O). A control means (MCOM) is configured to generate a digital control signal, of which each bit (Bj) respectively controls the supply of each amplifier unit (UAj) according to a sinusoidal wave representation at a frequency of interest.
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https://hal.laas.fr/hal-02352327
Contributor : Éric Tournier <>
Submitted on : Wednesday, November 6, 2019 - 6:03:43 PM
Last modification on : Friday, January 10, 2020 - 9:10:08 PM

Identifiers

  • HAL Id : hal-02352327, version 1

Citation

Bram Nauta, Reda Kasri, Eric Klumperink, Philippe Cathelin, Éric Tournier. System for Parallel Radio Reception with Digitally Controlled Analog Mixer Amplifiers. United States, Patent n° : WO2018083387 (A1). Rapport LAAS n° 18686. 2018. ⟨hal-02352327⟩

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