Low‐power SOI CMOS antenna switch driver circuit with RF leakage suppression and fast switching time

A low‐power antenna switch driver circuit with RF leakage suppression and fast switching time is implemented in a 0.25 μm silicon‐on‐insulator (SOI) CMOS process. It is composed of a three‐stage current starved ring oscillator with a clock buffer, a charge pump and a latch‐based three‐state logic dr...

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Main Authors: I.‐Y. Lee, D. Im
Format: Article
Language:English
Published: Wiley 2017-03-01
Series:Electronics Letters
Subjects:
Online Access:https://doi.org/10.1049/el.2016.4307
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author I.‐Y. Lee
D. Im
author_facet I.‐Y. Lee
D. Im
author_sort I.‐Y. Lee
collection DOAJ
description A low‐power antenna switch driver circuit with RF leakage suppression and fast switching time is implemented in a 0.25 μm silicon‐on‐insulator (SOI) CMOS process. It is composed of a three‐stage current starved ring oscillator with a clock buffer, a charge pump and a latch‐based three‐state logic driver. The negative voltage from the charge pump is fed into the latch‐based three‐state logic driver, and it generates three states of logic level (+VDD, GND and −VDD) according to the decoder signal without any reliability issue. In addition, the proposed three‐state logic driver with an optimal negative resistance value reduces the amount of the RF leakage coupling into the charge pump while maintaining its switching time fast. In the measurement, the designed switch driver circuit shows <0.1 V of voltage loss under 150 μA of current consumption. A single‐pole double‐throw antenna switch employing the proposed switch driver circuit is implemented in a 0.25 μm SOI CMOS process. The measurement shows higher than +38 dBm of 1 dB compression point (P1dB) and 140 ns of switching time while allowing <0.5 dB of insertion loss and >30 dB of isolation over 100 MHz to 3 GHz frequency range.
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institution Kabale University
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language English
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series Electronics Letters
spelling doaj-art-96342b5b8a634f03b1a6812d357f2b9e2025-02-05T12:30:42ZengWileyElectronics Letters0013-51941350-911X2017-03-0153529329410.1049/el.2016.4307Low‐power SOI CMOS antenna switch driver circuit with RF leakage suppression and fast switching timeI.‐Y. Lee0D. Im1RF Development Team, S. LSI BusinessSamsung ElectronicsSeoulSouth KoreaDivision of Electronics EngineeringChonbuk National UniversityJeollabuk‐doSouth KoreaA low‐power antenna switch driver circuit with RF leakage suppression and fast switching time is implemented in a 0.25 μm silicon‐on‐insulator (SOI) CMOS process. It is composed of a three‐stage current starved ring oscillator with a clock buffer, a charge pump and a latch‐based three‐state logic driver. The negative voltage from the charge pump is fed into the latch‐based three‐state logic driver, and it generates three states of logic level (+VDD, GND and −VDD) according to the decoder signal without any reliability issue. In addition, the proposed three‐state logic driver with an optimal negative resistance value reduces the amount of the RF leakage coupling into the charge pump while maintaining its switching time fast. In the measurement, the designed switch driver circuit shows <0.1 V of voltage loss under 150 μA of current consumption. A single‐pole double‐throw antenna switch employing the proposed switch driver circuit is implemented in a 0.25 μm SOI CMOS process. The measurement shows higher than +38 dBm of 1 dB compression point (P1dB) and 140 ns of switching time while allowing <0.5 dB of insertion loss and >30 dB of isolation over 100 MHz to 3 GHz frequency range.https://doi.org/10.1049/el.2016.4307low‐power antenna switch driver circuitRF leakage suppressionfast switching timeSOI CMOS processthree‐stage current starved ring oscillatorclock buffer
spellingShingle I.‐Y. Lee
D. Im
Low‐power SOI CMOS antenna switch driver circuit with RF leakage suppression and fast switching time
Electronics Letters
low‐power antenna switch driver circuit
RF leakage suppression
fast switching time
SOI CMOS process
three‐stage current starved ring oscillator
clock buffer
title Low‐power SOI CMOS antenna switch driver circuit with RF leakage suppression and fast switching time
title_full Low‐power SOI CMOS antenna switch driver circuit with RF leakage suppression and fast switching time
title_fullStr Low‐power SOI CMOS antenna switch driver circuit with RF leakage suppression and fast switching time
title_full_unstemmed Low‐power SOI CMOS antenna switch driver circuit with RF leakage suppression and fast switching time
title_short Low‐power SOI CMOS antenna switch driver circuit with RF leakage suppression and fast switching time
title_sort low power soi cmos antenna switch driver circuit with rf leakage suppression and fast switching time
topic low‐power antenna switch driver circuit
RF leakage suppression
fast switching time
SOI CMOS process
three‐stage current starved ring oscillator
clock buffer
url https://doi.org/10.1049/el.2016.4307
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