Frequency stability of lnP HBT over 0.2 to 220 GHz

Frequency stability of lnP HBT over 0.2 to 220 GHz

The frequency stabilities of lnP DHBTs in a broadband over 1 to 220 GHz are investigated. A hybrid π-topology small-signal model is used to accurately capture the parasitics of devices. The model parameters are extracted from measurements analytically. The investigation results show that the excelle...

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Veröffentlicht in:半导体学报：英文版 2015 (2), p.77-81
1. Verfasser: 周之蒋 任坤 刘军 程伟 陆海燕 孙玲玲
Format: Artikel
Sprache:eng
Schlagworte:
GHz
HBT
偏置条件
小信号模型
拓扑模型
模型参数提取
频率稳定度
频率稳定性
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creator 周之蒋 任坤 刘军 程伟 陆海燕 孙玲玲
description The frequency stabilities of lnP DHBTs in a broadband over 1 to 220 GHz are investigated. A hybrid π-topology small-signal model is used to accurately capture the parasitics of devices. The model parameters are extracted from measurements analytically. The investigation results show that the excellent agreement between the measured and simulated data is obtained in the frequency range 200 MHz to 220 GHz. The dominant parameters of the π-topology model, bias conditions and emitter area have significant effects on the stability factor K. The HBT model can be unconditionally stable by reasonable selection of the proper bias condition and the physical layout of the device.
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source IOP Publishing Journals; Alma/SFX Local Collection
subjects GHz
HBT
偏置条件
小信号模型
拓扑模型
模型参数提取
频率稳定度
频率稳定性
title Frequency stability of lnP HBT over 0.2 to 220 GHz
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