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Inductors in high-performance silico...

Lutz, Richard D., Jr.

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Inductors in high-performance silicon radio frequency integrated circuits: Analysis, modeling, and design considerations.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Inductors in high-performance silicon radio frequency integrated circuits: Analysis, modeling, and design considerations./
Author:	Lutz, Richard D., Jr.
Description:	155 p.
Notes:	Source: Dissertation Abstracts International, Volume: 66-11, Section: B, page: 6170.
Contained By:	Dissertation Abstracts International66-11B.
Subject:	Engineering, Electronics and Electrical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3194148
ISBN:	9780542387456

Inductors in high-performance silicon radio frequency integrated circuits: Analysis, modeling, and design considerations.
Lutz, Richard D., Jr.

Inductors in high-performance silicon radio frequency integrated circuits: Analysis, modeling, and design considerations. - 155 p.

Source: Dissertation Abstracts International, Volume: 66-11, Section: B, page: 6170.

Thesis (Ph.D.)--Oregon State University, 2005.

Spiral inductors are a key component of mixed-signal and analog integrated circuits (IC's). Such circuits are often fabricated using silicon-based technology, owing to the inherent low-cost and high volume production aspects. However, semiconducting substrate materials such as silicon can have adverse effects on spiral inductor performance due to the lossy nature of the material. Since the operating requirements of many high performance IC's demand reactive components that have high Quality Factor's (Q's), and are thus low loss devices, the need for accurate modeling of such structures over lossy substrate media is key to successful circuit design.

ISBN: 9780542387456Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

Inductors in high-performance silicon radio frequency integrated circuits: Analysis, modeling, and design considerations.
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100 1 $a Lutz, Richard D., Jr. $3 1913841
245 1 0 $a Inductors in high-performance silicon radio frequency integrated circuits: Analysis, modeling, and design considerations.
300 $a 155 p.
500 $a Source: Dissertation Abstracts International, Volume: 66-11, Section: B, page: 6170.
500 $a Adviser: Andreas Weisshaar.
502 $a Thesis (Ph.D.)--Oregon State University, 2005.
520 $a Spiral inductors are a key component of mixed-signal and analog integrated circuits (IC's). Such circuits are often fabricated using silicon-based technology, owing to the inherent low-cost and high volume production aspects. However, semiconducting substrate materials such as silicon can have adverse effects on spiral inductor performance due to the lossy nature of the material. Since the operating requirements of many high performance IC's demand reactive components that have high Quality Factor's (Q's), and are thus low loss devices, the need for accurate modeling of such structures over lossy substrate media is key to successful circuit design.
520 $a The Q's of commonly available off-chip inductors are in the range of 50-100 for frequencies ranging up to a few gigahertz. Since off-chip inductors must be connected through package pins, solder bumps, etc., which all contribute additional loss and thus lower the apparent Q of an external device, the typical on-chip Q requirement for a given RFIC design is generally lower than that for an off-chip spiral solution. However, a spiral inductor that was designed and fabricated originally in a low loss technology such as thin-film alumina may have substantially worse performance in regard to Q if it is used in a silicon-based technology, owing to the conductive substrate. For this reason, it is imperative that semiconducting substrate effects be accurately accounted for by any modeling effort for monolithic spirals in RFICs.
520 $a This thesis presents a complete modeling solution for both single and multi-level spiral inductors over lossy silicon substrates, along with design considerations and methods for mitigation of the undesirable performance effects of semiconducting substrates. The modeling solution is based on Spectral Domain Approach (SDA) solutions for frequency dependent complex capacitive (i.e. both capacitance and conductance) parasitic elements combined with a quasi-magnetostatic field solution for calculation of the frequency dependent complex inductive (i.e. both inductance and resistance) terms. The effects of geometry and process variations are considered as well as the incorporation of Patterned Ground Shields (PGS) for the purpose of Q enhancement. Proposals for future extensions of this work are discussed in the concluding chapter.
590 $a School code: 0172.
650 4 $a Engineering, Electronics and Electrical. $3 626636
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710 2 0 $a Oregon State University. $3 625720
773 0 $t Dissertation Abstracts International $g 66-11B.
790 1 0 $a Weisshaar, Andreas, $e advisor
790 $a 0172
791 $a Ph.D.
792 $a 2005
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3194148