Printed and Integrated CMOS Positive/Negative Refractive-Index Phase Shifters Using Tunable Active Inductors

Abdalla, Mohamed A. Y.; Phang, K.; Eleftheriades, George V.

doi:10.1109/tmtt.2007.901076

Cited by 60 publications

(21 citation statements)

References 19 publications

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“…The first transconductor g mA is implemented by the differential pair (M 7 , M 8 ), while the second transconductor g mB is implemented by the common source amplifier M 10 . As recommended in [6], the resistance R 1 can be inserted between the two transconductors to increase the quality factor of this active inductor. Thus, the inductance and the series resistance of the equivalent circuit are approximated by the following expressions [6]:…”

Section: Active Inductor Loadmentioning

confidence: 99%

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A reconfigurable inductor-less CMOS low noise amplifier for multi-standard applications

Slimane

Belaroussi

Haddad

et al. 2012

10th IEEE International NEWCAS Conference

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This paper presents a reconfigurable inductor-less CMOS low noise amplifier (LNA) for multi-standard wireless applications. The LNA is designed to address PCS1900, UMTS, WLANb/g and Bluetooth frequency bands. The LNA is based on two cascaded stages. The first stage is a resistive feedback amplifier which achieves a wideband matching in order to address the different application frequency bands while performing a low noise figure. The second stage is a cascode amplifier with an active output LC resonator in order to select the desired bandwidth while achieving high gain and low surface area. The proposed multi-standard LNA, implemented in a 0.13µm CMOS technology achieves more than 26dB gain from 1.8 to 2.4GHz for a noise figure less than 3.4dB. The input and output return losses S11 and S22 are lower than -12dB and16dB respectively. The LNA consumes 9.6 mA from 1.2V supply voltage and occupies a chip area of 0.165mm² including pads.

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Section: Active Inductor Loadmentioning

confidence: 99%

“…As recommended in [6], the resistance R 1 can be inserted between the two transconductors to increase the quality factor of this active inductor. Thus, the inductance and the series resistance of the equivalent circuit are approximated by the following expressions [6]:…”

Section: Active Inductor Loadmentioning

confidence: 99%

A reconfigurable inductor-less CMOS low noise amplifier for multi-standard applications

Slimane

Belaroussi

Haddad

et al. 2012

10th IEEE International NEWCAS Conference

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“…In Refs. and , the authors achieved the tunability of phase shifters by using tunable active inductors. Also, ferroelectric varactors can be used as a variable capacitor for the tunability of metamaterial phase shifter .…”

Section: Introductionmentioning

confidence: 99%

Microstrip Phase Shifter Using Artificial Magneto‐Dielectric for Phased Array Antenna

Kwon

Choi

2013

Micro & Optical Tech Letters

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A microstrip phase shifter using an artificial magneto‐dielectric (AMD) is presented. The split‐ring resonator (SRR) based AMD raises the effective permeability of the microstrip line to greater than one so that the maximum phase shift range of the line can be increased. Mechanical tuning of the proposed AMD phase shifter can be achieved by transversely moving one or several AMD unit cells. For a single unit cell, the insertion loss is smaller than 1.1 dB, whereas the return loss is larger than 15 dB at the frequency band of interest (2.30–2.38 GHz). A different number of AMD unit cells is deposited on each output port of a four‐port T‐junction power divider and the maximum relative phase shift is 95° at 2.38 GHz for a microstrip line with three AMD unit cells. © 2013 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:1868–1871, 2013

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“…Such composite metamaterial lines are achieved by periodically loading a host TL with series capacitors and shunt inductors. By the addition of appropriate loaded elements, cascaded PRI/NRI TL structures have been designed for phase compensation below 5.6 GHz [5][6][7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

A positive/negative refractive index coplanar transmission line in CMOS for controlled insertion phase

Symon

Brian

et al. 2008

Micro & Optical Tech Letters

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Printed and Integrated CMOS Positive/Negative Refractive-Index Phase Shifters Using Tunable Active Inductors

Cited by 60 publications

References 19 publications

A reconfigurable inductor-less CMOS low noise amplifier for multi-standard applications

A reconfigurable inductor-less CMOS low noise amplifier for multi-standard applications

Microstrip Phase Shifter Using Artificial Magneto‐Dielectric for Phased Array Antenna

A positive/negative refractive index coplanar transmission line in CMOS for controlled insertion phase

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