A 10–50-GHz CMOS Distributed Step Attenuator With Low Loss and Low Phase Imbalance

Min, Byung-Wook; Rebeiz, Gabriel M.

doi:10.1109/jssc.2007.907205

Cited by 89 publications

(38 citation statements)

References 14 publications

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“…Variable gain amplifiers (VGAs) and attenuators are most commonly used circuits for gain control at microwave and millimeter-wave frequencies [20,21]. However, attenuators show superior performance in linearity, control complexity, power efficiency, and phase variation as compared to VGAs [22,23].…”

Section: -Attenuatormentioning

confidence: 99%

A 24GHz reflective-type phase shifter with constant loss in 0.18μm CMOS technology

Askari

Kaabi

Kavian

2015

AEU - International Journal of Electronics and Communications

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Section: -Attenuatormentioning

confidence: 99%

A 24GHz reflective-type phase shifter with constant loss in 0.18μm CMOS technology

Askari

Kaabi

Kavian

2015

AEU - International Journal of Electronics and Communications

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“…Variable attenuators are more suitable for applications which require high linearity, low power consumption, and low temperature dependency, which cannot be achieved with variable amplifiers [31]. The amplitude control circuits such as variable attenuators and variable gain amplifiers are required in a variety of applications, including the automatic gain control of transmitter/receiver systems, amplitude weighting in phased array radars, and temperature compensation of power amplifiers [32].…”

Section: Attenuation ('On' Switch Resistance)mentioning

confidence: 99%

Analysis of double-gate CMOS for double-pole four-throw RF switch design at 45-nm technology

2011

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In this paper, we have analyzed a 45-nm RF CMOS switch design technology with the double-pole fourthrow circuit by using independently controlled double-gate MOSFET. The proposed switch reduces the number of transistors and increases the logic density per unit area as compare to the conventional CMOS switch. With the unique independent double-gate properties, we have demonstrated the potential advantages in terms of the drain current, threshold voltage, attenuation with ON resistance, flat-band capacitances, charge density and power dissipation of the proposed switch, which provides a switch with a significant drive circuit that is free from the signal propagation delay and additional voltage power supply. Moreover, the main emphasis is to provide a plurality of such switches arranged in a densely configured switch array, which provides a lesser attenuation, and better isolation with fast switching speed.

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“…Several designs of digital step attenuator using different topologies such as switched path attenuators [7], switched Pi/T attenuators [1] and distributed step attenuators [8,9] have been reported previously for mm-wave band applications. The switched-path attenuators are constructed from two SPDT switches with two paths in between, and each path has a different attenuation.…”

Section: Introductionmentioning

confidence: 99%

4-Bit Ka Band Sige Bicmos Digital Step Attenuator

Sarfraz¹,

Liu²,

Ullah³

et al. 2017

PIER C

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Abstract-This paper presents a Ka-band 4-bit BiCMOS digital step attenuator with maximum attenuation of 7.5 dB (16 states). The proposed attenuator design is based on switched T-bridge network including phase correction network and is fabricated in 0.13 µm SiGe BiCMOS technology. Attenuator with phase correction structure shows root mean square (RMS) amplitude errors < 0.8 dB at 31 to 33 GHz and the RMS insertion phase varying from 2.8 • to 5.8 • over 31-33 GHz. The measured insertion loss is 19 dB and total chip size including pad is 1.92 × 0.4 mm 2 .

show abstract

A 10–50-GHz CMOS Distributed Step Attenuator With Low Loss and Low Phase Imbalance

Cited by 89 publications

References 14 publications

A 24GHz reflective-type phase shifter with constant loss in 0.18μm CMOS technology

A 24GHz reflective-type phase shifter with constant loss in 0.18μm CMOS technology

Analysis of double-gate CMOS for double-pole four-throw RF switch design at 45-nm technology

4-Bit Ka Band Sige Bicmos Digital Step Attenuator

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