1999
DOI: 10.1109/22.769352
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An HBT unilateral model to design distributed amplifiers

Abstract: A novel heterojunction bipolar transistor (HBT) unilateral model oriented to a fast prediction of the performance of HBT monolithicmicrowave integrated-circuit distributed amplifiers is proposed. The HBT unilateral model includes, by simple expressions, the effects caused by the HBT parasitics. A graphical design procedure for HBT distributed amplifiers is also proposed. This method is based on a set of generalized charts and represents a simple and fast design tool for designers. Comparisons between the perfo… Show more

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Cited by 4 publications
(3 citation statements)
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“…Without output impedance information, performance characterization will not be completely valid. [15] developed a HBT unilateral model oriented to fast prediction of the performance of distributed amplifiers.…”
Section: Introductionmentioning
confidence: 99%
“…Without output impedance information, performance characterization will not be completely valid. [15] developed a HBT unilateral model oriented to fast prediction of the performance of distributed amplifiers.…”
Section: Introductionmentioning
confidence: 99%
“…On the other hand, DA's design analysis and formulae are developed based on the transistor unilateral model for simplicity [5]. As the technologies and applications are so diverse, [70] suggested a refined unilateral model should be applied taking into consideration the analytical formulation.…”
Section: Small-signal Equivalent Circuit Modelsmentioning
confidence: 99%
“…Έχει σχεδιαστεί επίσης ενισχυτής ισχύος στα 94 GHz με κέρδος 4 dB και χρήση τεχνολογίας InGaAs/lnAIAs/lnP [37]. Ενισχυτής InP-HBT στα 44 GHz με τρεις βαθμίδες επιτυγχάνει κέρδος 15 dB και χρησιμοποιεί ενισχυτή κοινού εκπομπού για επίτευξη γραμμικότητας όσον αφορά το σημείο πόλωσης [71]. Για τα συστήματα ραντάρ, στους δέκτες χαμηλού θορύβου, έχουν αναπτυχθεί διβάθμιοι ενισχυτές στα 60 GHz με κέρδος 9 dB και συντελεστή θορύβου 3 dB [39].…”
Section: τα χαρακτηριστικά των μικροκυματικών / χιλιοστομετρικών κυμάτωνunclassified