2012
DOI: 10.1109/tmtt.2012.2195020
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A Fully Integrated 0.18-$\mu{\hbox {m}}$ CMOS Transceiver Chip for $X$-Band Phased-Array Systems

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Cited by 66 publications
(23 citation statements)
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“…Typically, the digital attenuator is a set of resistive attenuators of P-or T-type, separated by a signal switches that allows to pass the signal through a resistive attenuator, or bypassing it with minimal insertion loss [13]. In this case, the level of insertion loss is determined by the following formula:…”
Section: Microwave Model Of Mos Transistorsmentioning
confidence: 99%
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“…Typically, the digital attenuator is a set of resistive attenuators of P-or T-type, separated by a signal switches that allows to pass the signal through a resistive attenuator, or bypassing it with minimal insertion loss [13]. In this case, the level of insertion loss is determined by the following formula:…”
Section: Microwave Model Of Mos Transistorsmentioning
confidence: 99%
“…In Ц ифровые ат тенюаторы на ход ят широкое применение во многих современных сис те-ма х с вязи, позвол я я рег улироват ь ос лабле-ние с определенным фиксированным шагом. Обычно цифровой ат тенюатор пре дставляет собой набор резистивных аттенюаторов П-или Т-типа, разделенных перек лючателями сиг-налов, которые позволяют пропускать сигнал через резистивный аттенюатор или в обход его с минимальным уровнем вносимых потерь [13]. В таком случае уровень вносимых потерь опре-деляется следующей формулой: L ат = 2NL пер + NL проход где N -разрядность аттенюатора, L пер -потери, внос имые одним перек лючате лем, L п р оход -по т е ри, вно с и м ые п р оход н ы м и к а на ла м и в ы к л ю ч е н н ы х а т т е н ю и р у ю щ и х я ч е е к .…”
Section: Microwave Model Of Mos Transistorsunclassified
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“…Especially, digital attenuators are often applied for gain control of transceivers and temperature compensation amplifiers [5,6]. Prior researches about digital attenuators were mainly focused on low insertion loss, large dynamic range and low insertion phase variation [7][8][9][10][11].…”
Section: Introductionmentioning
confidence: 99%
“…Attenuators due to their zero DC power consumption and superior linearity are preferable to VGAs particularly in wideband applications [1,2,3,4,5]. Conventional T-/Pi-type, bridge T-/Pi-type and distributed are the basic topologies for most attenuators and can provide step attenuation by digitally controlling the gate voltages [4,5,6,7,8,9,10]. However, those conventional step attenuators have high insertion loss and large circuit size.…”
Section: Introductionmentioning
confidence: 99%